./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/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_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c2afc665f9ec9bbf6f489827c9a63486fda067f850cc8b511cbd83d8b773bd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:30,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:30,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:21:30,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:30,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:30,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:30,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:30,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:30,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:30,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:30,412 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:30,412 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:30,413 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:30,415 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:30,416 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:30,416 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:30,417 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:30,417 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:30,418 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:30,420 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:30,421 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:30,421 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:30,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:30,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:30,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:30,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:30,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:30,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:30,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:30,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:30,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:30,428 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:30,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:30,429 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:30,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:30,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:30,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:30,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:30,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:30,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:30,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:30,432 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:30,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:30,433 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:30,434 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:30,434 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:30,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:30,434 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_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c2afc665f9ec9bbf6f489827c9a63486fda067f850cc8b511cbd83d8b773bd8 [2023-11-23 21:21:30,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:30,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:30,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:30,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:30,836 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:30,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i [2023-11-23 21:21:34,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:34,821 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:34,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i [2023-11-23 21:21:34,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/data/741f9c2ce/e4ed0910c33e421d8a156f371179cfab/FLAG89b768ba0 [2023-11-23 21:21:34,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/data/741f9c2ce/e4ed0910c33e421d8a156f371179cfab [2023-11-23 21:21:34,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:34,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:34,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:34,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:34,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:34,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:34" (1/1) ... [2023-11-23 21:21:34,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2071b28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:34, skipping insertion in model container [2023-11-23 21:21:34,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:34" (1/1) ... [2023-11-23 21:21:34,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:35,141 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_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i[915,928] [2023-11-23 21:21:35,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:35,281 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:35,300 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_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i[915,928] [2023-11-23 21:21:35,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:35,387 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:35,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35 WrapperNode [2023-11-23 21:21:35,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:35,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:35,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:35,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:35,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,511 INFO L138 Inliner]: procedures = 29, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 448 [2023-11-23 21:21:35,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:35,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:35,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:35,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:35,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:35,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:35,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:35,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:35,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (1/1) ... [2023-11-23 21:21:35,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:35,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:35,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:35,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:21:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:21:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:21:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:21:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:21:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:35,958 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:35,962 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:36,768 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:37,567 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:37,567 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:37,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:37 BoogieIcfgContainer [2023-11-23 21:21:37,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:37,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:37,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:37,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:37,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:34" (1/3) ... [2023-11-23 21:21:37,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a005885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:37, skipping insertion in model container [2023-11-23 21:21:37,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:35" (2/3) ... [2023-11-23 21:21:37,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a005885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:37, skipping insertion in model container [2023-11-23 21:21:37,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:37" (3/3) ... [2023-11-23 21:21:37,579 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-2.i [2023-11-23 21:21:37,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:37,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:37,646 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:37,654 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;@560379a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:37,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:37,658 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) [2023-11-23 21:21:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 21:21:37,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:37,669 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] [2023-11-23 21:21:37,669 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:37,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:37,675 INFO L85 PathProgramCache]: Analyzing trace with hash -108621286, now seen corresponding path program 1 times [2023-11-23 21:21:37,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:37,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271023005] [2023-11-23 21:21:37,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:37,886 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:21:37,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141733407] [2023-11-23 21:21:37,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:37,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:21:37,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:37,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:21:37,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:21:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:39,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:21:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:21:39,992 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:21:39,995 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:21:39,996 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:21:40,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:40,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:21:40,221 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:21:40,225 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:21:40,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:21:40,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:21:40,303 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:21:40,303 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:21:40,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:21:40,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-23 21:21:40,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:21:40,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:21:40,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:21:40,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:21:40,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-23 21:21:40,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-23 21:21:40,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-23 21:21:40,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:21:40,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:21:40,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:21:40,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:21:40,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:21:40,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:21:40,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 21:21:40,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 21:21:40,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-23 21:21:40,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-23 21:21:40,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:21:40,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-23 21:21:40,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 21:21:40,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:21:40,310 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-23 21:21:40,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 21:21:40,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-23 21:21:40,311 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-23 21:21:40,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:21:40,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 21:21:40,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 21:21:40,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:21:40,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:21:40,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 21:21:40,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-23 21:21:40,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:21:40,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 21:21:40,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 21:21:40,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-23 21:21:40,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:21:40,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:21:40,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:21:40,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:21:40,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 21:21:40,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-23 21:21:40,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:21:40 BoogieIcfgContainer [2023-11-23 21:21:40,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:21:40,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:21:40,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:21:40,343 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:21:40,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:37" (3/4) ... [2023-11-23 21:21:40,346 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:21:40,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:21:40,348 INFO L158 Benchmark]: Toolchain (without parser) took 5485.10ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 101.9MB in the beginning and 100.0MB in the end (delta: 1.9MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-23 21:21:40,349 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:40,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.66ms. Allocated memory is still 140.5MB. Free memory was 101.9MB in the beginning and 86.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:21:40,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.12ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 81.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:21:40,351 INFO L158 Benchmark]: Boogie Preprocessor took 127.32ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 77.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:21:40,352 INFO L158 Benchmark]: RCFGBuilder took 1928.47ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 77.9MB in the beginning and 89.8MB in the end (delta: -11.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-11-23 21:21:40,353 INFO L158 Benchmark]: TraceAbstraction took 2770.40ms. Allocated memory is still 182.5MB. Free memory was 88.7MB in the beginning and 100.0MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:40,353 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 182.5MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:21:40,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.66ms. Allocated memory is still 140.5MB. Free memory was 101.9MB in the beginning and 86.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.12ms. Allocated memory is still 140.5MB. Free memory was 85.8MB in the beginning and 81.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.32ms. Allocated memory is still 140.5MB. Free memory was 81.6MB in the beginning and 77.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1928.47ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 77.9MB in the beginning and 89.8MB in the end (delta: -11.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2770.40ms. Allocated memory is still 182.5MB. Free memory was 88.7MB in the beginning and 100.0MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 182.5MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 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~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 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~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 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~mem65 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~short67 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~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] [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 ) 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] [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 ) 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][1] [L37] EXPR unsigned_short_int_Array_0[0][1] [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[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][1] [L37] EXPR unsigned_short_int_Array_0[0][1] [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] 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 TRUE unsigned_short_int_Array_0[0][1] != unsigned_short_int_Array_0[1][1] [L53] EXPR unsigned_short_int_Array_0[0][1] [L53] EXPR unsigned_short_int_Array_0[0][0] [L53] COND TRUE unsigned_short_int_Array_0[0][1] <= unsigned_short_int_Array_0[0][0] [L54] EXPR float_Array_0[0] [L54] EXPR float_Array_0[1] [L54] EXPR ((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]) [L54] EXPR float_Array_0[1] [L54] EXPR ((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]) [L54] float_Array_0[2] = ((((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]))) [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][1] [L88] EXPR unsigned_short_int_Array_0[0][1] [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[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][1] [L88] EXPR unsigned_short_int_Array_0[0][1] [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 (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 unsigned_short_int_Array_0[0][1] [L88] EXPR unsigned_short_int_Array_0[0][0] [L88] EXPR (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])) [L88] EXPR float_Array_0[2] [L88] EXPR float_Array_0[0] [L88] EXPR float_Array_0[1] [L88] EXPR ((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]) [L88] EXPR float_Array_0[1] [L88] EXPR ((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]) [L88] EXPR (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])) [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: 2.6s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s 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 [2023-11-23 21:21:40,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/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_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c2afc665f9ec9bbf6f489827c9a63486fda067f850cc8b511cbd83d8b773bd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:43,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:43,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:21:43,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:43,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:43,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:43,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:43,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:43,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:43,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:43,240 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:43,241 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:43,241 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:43,242 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:43,243 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:43,243 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:43,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:43,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:43,245 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:43,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:43,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:43,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:43,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:43,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:43,249 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:21:43,249 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:21:43,249 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:21:43,250 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:43,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:43,251 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:43,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:43,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:21:43,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:43,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:43,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:43,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:43,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:43,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:43,254 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:21:43,254 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:43,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:43,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:43,255 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:43,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:43,256 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_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c2afc665f9ec9bbf6f489827c9a63486fda067f850cc8b511cbd83d8b773bd8 [2023-11-23 21:21:43,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:43,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:43,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:43,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:43,622 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:43,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i [2023-11-23 21:21:46,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:47,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:47,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i [2023-11-23 21:21:47,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/data/15a2323b8/68044000a76d4846ae9ce95abf748037/FLAG8dcbf114b [2023-11-23 21:21:47,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/data/15a2323b8/68044000a76d4846ae9ce95abf748037 [2023-11-23 21:21:47,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:47,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:47,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:47,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:47,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:47,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c01edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47, skipping insertion in model container [2023-11-23 21:21:47,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:47,466 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_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i[915,928] [2023-11-23 21:21:47,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:47,612 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:47,641 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_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i[915,928] [2023-11-23 21:21:47,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:47,821 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:47,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47 WrapperNode [2023-11-23 21:21:47,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:47,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:47,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:47,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:47,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,932 INFO L138 Inliner]: procedures = 33, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 439 [2023-11-23 21:21:47,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:47,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:47,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:47,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:47,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:47,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:48,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:48,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:48,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:48,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:48,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:48,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:48,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:48,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:48,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (1/1) ... [2023-11-23 21:21:48,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:48,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:48,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:48,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 21:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 21:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 21:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:21:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:21:48,369 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:48,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:49,222 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:49,279 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:49,280 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:21:49,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:49 BoogieIcfgContainer [2023-11-23 21:21:49,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:49,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:49,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:49,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:49,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:21:47" (1/3) ... [2023-11-23 21:21:49,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6dc671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:49, skipping insertion in model container [2023-11-23 21:21:49,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:47" (2/3) ... [2023-11-23 21:21:49,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6dc671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:49, skipping insertion in model container [2023-11-23 21:21:49,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:49" (3/3) ... [2023-11-23 21:21:49,293 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-2.i [2023-11-23 21:21:49,316 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:49,316 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:49,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:49,380 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;@3b47ebb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:49,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:49,386 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) [2023-11-23 21:21:49,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 21:21:49,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:49,406 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] [2023-11-23 21:21:49,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:49,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:49,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1066254861, now seen corresponding path program 1 times [2023-11-23 21:21:49,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:49,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686916254] [2023-11-23 21:21:49,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:49,435 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:49,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:49,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:21:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:49,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:21:49,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-23 21:21:49,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:49,898 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:49,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686916254] [2023-11-23 21:21:49,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686916254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:49,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:49,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:21:49,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569314853] [2023-11-23 21:21:49,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:49,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:21:49,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:49,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:21:49,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:21:49,966 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) [2023-11-23 21:21:50,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:50,043 INFO L93 Difference]: Finished difference Result 183 states and 292 transitions. [2023-11-23 21:21:50,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:21:50,045 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 [2023-11-23 21:21:50,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:50,056 INFO L225 Difference]: With dead ends: 183 [2023-11-23 21:21:50,057 INFO L226 Difference]: Without dead ends: 91 [2023-11-23 21:21:50,062 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 [2023-11-23 21:21:50,067 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 [2023-11-23 21:21:50,069 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] [2023-11-23 21:21:50,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-23 21:21:50,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-23 21:21:50,128 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) [2023-11-23 21:21:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions. [2023-11-23 21:21:50,139 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 95 [2023-11-23 21:21:50,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:50,139 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 136 transitions. [2023-11-23 21:21:50,140 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) [2023-11-23 21:21:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2023-11-23 21:21:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 21:21:50,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:50,153 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] [2023-11-23 21:21:50,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:21:50,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:50,357 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:50,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:50,357 INFO L85 PathProgramCache]: Analyzing trace with hash -43150623, now seen corresponding path program 1 times [2023-11-23 21:21:50,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:50,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849142586] [2023-11-23 21:21:50,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:50,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:50,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:50,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:50,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:21:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:50,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:21:50,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:50,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:50,774 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 [2023-11-23 21:21:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:21:51,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:51,400 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:51,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849142586] [2023-11-23 21:21:51,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849142586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:51,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:51,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:21:51,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894981722] [2023-11-23 21:21:51,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:51,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:51,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:51,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:51,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:51,405 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) [2023-11-23 21:21:51,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:51,940 INFO L93 Difference]: Finished difference Result 272 states and 407 transitions. [2023-11-23 21:21:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:21:51,941 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 [2023-11-23 21:21:51,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:51,944 INFO L225 Difference]: With dead ends: 272 [2023-11-23 21:21:51,945 INFO L226 Difference]: Without dead ends: 182 [2023-11-23 21:21:51,946 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 [2023-11-23 21:21:51,947 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 [2023-11-23 21:21:51,950 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] [2023-11-23 21:21:51,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-23 21:21:51,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 151. [2023-11-23 21:21:51,997 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) [2023-11-23 21:21:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 225 transitions. [2023-11-23 21:21:52,001 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 225 transitions. Word has length 95 [2023-11-23 21:21:52,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:52,006 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 225 transitions. [2023-11-23 21:21:52,006 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) [2023-11-23 21:21:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2023-11-23 21:21:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 21:21:52,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:52,010 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] [2023-11-23 21:21:52,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:52,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:52,217 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:52,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:52,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1393303032, now seen corresponding path program 1 times [2023-11-23 21:21:52,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:21:52,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159345244] [2023-11-23 21:21:52,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:52,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:21:52,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:21:52,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:21:52,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:21:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:52,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-23 21:21:52,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:52,907 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 [2023-11-23 21:21:53,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2023-11-23 21:21:53,414 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:53,415 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 [2023-11-23 21:21:53,780 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:53,781 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 [2023-11-23 21:21:53,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:53,869 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 [2023-11-23 21:21:54,110 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 [2023-11-23 21:21:54,349 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:21:54,350 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 [2023-11-23 21:21:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 137 proven. 12 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-23 21:21:54,367 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:21:56,274 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:21:56,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159345244] [2023-11-23 21:21:56,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159345244] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:21:56,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1378526577] [2023-11-23 21:21:56,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:56,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:21:56,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:21:56,280 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:21:56,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:21:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:57,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:21:57,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:21:57,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-23 21:21:57,881 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 [2023-11-23 21:21:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:21:58,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:21:58,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1378526577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:58,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:21:58,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2023-11-23 21:21:58,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224496034] [2023-11-23 21:21:58,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:58,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:21:58,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:21:58,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:21:58,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=367, Unknown=1, NotChecked=0, Total=462 [2023-11-23 21:21:58,106 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) [2023-11-23 21:21:59,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:59,647 INFO L93 Difference]: Finished difference Result 342 states and 508 transitions. [2023-11-23 21:21:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:21:59,648 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 [2023-11-23 21:21:59,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:59,652 INFO L225 Difference]: With dead ends: 342 [2023-11-23 21:21:59,652 INFO L226 Difference]: Without dead ends: 252 [2023-11-23 21:21:59,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=115, Invalid=436, Unknown=1, NotChecked=0, Total=552 [2023-11-23 21:21:59,655 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 393 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:59,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 200 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 21:21:59,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-23 21:21:59,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 160. [2023-11-23 21:21:59,691 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) [2023-11-23 21:21:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2023-11-23 21:21:59,695 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 101 [2023-11-23 21:21:59,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:59,698 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2023-11-23 21:21:59,698 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) [2023-11-23 21:21:59,698 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2023-11-23 21:21:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 21:21:59,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:59,701 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] [2023-11-23 21:21:59,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:21:59,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-23 21:22:00,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:22:00,108 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:00,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:00,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1786330042, now seen corresponding path program 1 times [2023-11-23 21:22:00,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:00,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197028559] [2023-11-23 21:22:00,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:00,110 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:00,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:00,113 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:00,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:22:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:00,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 21:22:00,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:00,478 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 [2023-11-23 21:22:00,555 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 [2023-11-23 21:22:00,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:00,781 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 [2023-11-23 21:22:01,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:01,291 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 [2023-11-23 21:22:01,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:01,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 62 [2023-11-23 21:22:01,513 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:01,513 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 [2023-11-23 21:22:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 151 proven. 18 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-23 21:22:01,630 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:22:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:22:01,916 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:01,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197028559] [2023-11-23 21:22:01,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197028559] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 21:22:01,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:22:01,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2023-11-23 21:22:01,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336437287] [2023-11-23 21:22:01,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:01,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:22:01,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:01,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:22:01,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2023-11-23 21:22:01,920 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) [2023-11-23 21:22:02,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:02,536 INFO L93 Difference]: Finished difference Result 297 states and 445 transitions. [2023-11-23 21:22:02,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:22:02,545 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 [2023-11-23 21:22:02,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:02,550 INFO L225 Difference]: With dead ends: 297 [2023-11-23 21:22:02,550 INFO L226 Difference]: Without dead ends: 198 [2023-11-23 21:22:02,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-11-23 21:22:02,557 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 40 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:02,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 274 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 21:22:02,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-23 21:22:02,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 188. [2023-11-23 21:22:02,592 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) [2023-11-23 21:22:02,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 281 transitions. [2023-11-23 21:22:02,594 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 281 transitions. Word has length 101 [2023-11-23 21:22:02,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:02,595 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 281 transitions. [2023-11-23 21:22:02,595 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) [2023-11-23 21:22:02,598 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 281 transitions. [2023-11-23 21:22:02,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 21:22:02,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:02,601 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] [2023-11-23 21:22:02,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-23 21:22:02,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:02,808 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:02,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:02,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1690988804, now seen corresponding path program 1 times [2023-11-23 21:22:02,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:02,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358682018] [2023-11-23 21:22:02,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:02,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:02,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:02,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:02,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-23 21:22:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:03,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 21:22:03,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:03,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-23 21:22:03,769 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 [2023-11-23 21:22:03,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:03,839 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 [2023-11-23 21:22:03,927 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 [2023-11-23 21:22:04,061 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:04,061 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 [2023-11-23 21:22:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:22:04,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:04,138 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:04,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1358682018] [2023-11-23 21:22:04,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1358682018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:04,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:04,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 21:22:04,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553833846] [2023-11-23 21:22:04,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:04,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:22:04,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:04,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:22:04,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:22:04,141 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) [2023-11-23 21:22:07,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:07,608 INFO L93 Difference]: Finished difference Result 521 states and 780 transitions. [2023-11-23 21:22:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 21:22:07,610 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 [2023-11-23 21:22:07,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:07,613 INFO L225 Difference]: With dead ends: 521 [2023-11-23 21:22:07,613 INFO L226 Difference]: Without dead ends: 412 [2023-11-23 21:22:07,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2023-11-23 21:22:07,616 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 635 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:07,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 518 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-23 21:22:07,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-23 21:22:07,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 232. [2023-11-23 21:22:07,636 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) [2023-11-23 21:22:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 343 transitions. [2023-11-23 21:22:07,639 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 343 transitions. Word has length 101 [2023-11-23 21:22:07,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:07,640 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 343 transitions. [2023-11-23 21:22:07,640 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) [2023-11-23 21:22:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 343 transitions. [2023-11-23 21:22:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:22:07,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:07,642 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] [2023-11-23 21:22:07,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:07,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:07,849 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:07,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:07,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2050331606, now seen corresponding path program 1 times [2023-11-23 21:22:07,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:07,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449651368] [2023-11-23 21:22:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:07,852 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:07,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:07,853 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:07,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-23 21:22:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:08,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:22:08,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:08,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:08,187 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 [2023-11-23 21:22:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:22:08,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:08,272 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:08,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449651368] [2023-11-23 21:22:08,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449651368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:08,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:08,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:22:08,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286876991] [2023-11-23 21:22:08,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:08,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:22:08,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:08,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:22:08,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:08,275 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) [2023-11-23 21:22:14,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:14,084 INFO L93 Difference]: Finished difference Result 466 states and 689 transitions. [2023-11-23 21:22:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:22:14,085 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 [2023-11-23 21:22:14,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:14,088 INFO L225 Difference]: With dead ends: 466 [2023-11-23 21:22:14,088 INFO L226 Difference]: Without dead ends: 332 [2023-11-23 21:22:14,089 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 [2023-11-23 21:22:14,090 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 210 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 5.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:14,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 360 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-23 21:22:14,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-11-23 21:22:14,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 235. [2023-11-23 21:22:14,107 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) [2023-11-23 21:22:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 348 transitions. [2023-11-23 21:22:14,109 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 348 transitions. Word has length 103 [2023-11-23 21:22:14,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:14,110 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 348 transitions. [2023-11-23 21:22:14,110 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) [2023-11-23 21:22:14,110 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 348 transitions. [2023-11-23 21:22:14,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:22:14,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:14,112 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] [2023-11-23 21:22:14,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:14,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:14,318 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:14,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:14,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1851608680, now seen corresponding path program 1 times [2023-11-23 21:22:14,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:14,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677542449] [2023-11-23 21:22:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:14,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:14,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:14,321 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:14,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-23 21:22:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:14,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 21:22:14,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:14,940 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 [2023-11-23 21:22:15,046 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 [2023-11-23 21:22:15,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 21:22:15,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-23 21:22:15,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:15,809 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 [2023-11-23 21:22:15,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:15,909 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 [2023-11-23 21:22:16,069 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 [2023-11-23 21:22:16,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:16,310 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 [2023-11-23 21:22:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-23 21:22:16,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:16,379 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:16,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677542449] [2023-11-23 21:22:16,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677542449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:16,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:16,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 21:22:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928130400] [2023-11-23 21:22:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:16,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:22:16,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:16,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:22:16,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:22:16,382 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) [2023-11-23 21:22:22,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:22,272 INFO L93 Difference]: Finished difference Result 519 states and 770 transitions. [2023-11-23 21:22:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 21:22:22,273 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 [2023-11-23 21:22:22,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:22,276 INFO L225 Difference]: With dead ends: 519 [2023-11-23 21:22:22,277 INFO L226 Difference]: Without dead ends: 382 [2023-11-23 21:22:22,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:22:22,278 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 695 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s 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, 5.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:22,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 339 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-23 21:22:22,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-11-23 21:22:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 247. [2023-11-23 21:22:22,298 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) [2023-11-23 21:22:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 366 transitions. [2023-11-23 21:22:22,300 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 366 transitions. Word has length 103 [2023-11-23 21:22:22,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:22,301 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 366 transitions. [2023-11-23 21:22:22,301 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) [2023-11-23 21:22:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 366 transitions. [2023-11-23 21:22:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:22:22,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:22,303 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] [2023-11-23 21:22:22,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:22,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:22,511 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:22,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:22,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1190942986, now seen corresponding path program 1 times [2023-11-23 21:22:22,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:22,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724127661] [2023-11-23 21:22:22,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:22,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:22:22,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:22,514 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:22:22,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2bd315-1958-4f0e-a9ba-d1974fbc1919/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-23 21:22:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:22,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:22:22,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:22,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:22:22,870 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 [2023-11-23 21:22:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:22:23,134 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:23,134 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:23,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724127661] [2023-11-23 21:22:23,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1724127661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:23,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:23,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:22:23,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166091804] [2023-11-23 21:22:23,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:23,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:22:23,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:23,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:22:23,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:23,137 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)