./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.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_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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_e9962bc9-19f5-498a-91a3-708537702d54/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 a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:20,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:20,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:12:20,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:20,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:20,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:20,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:20,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:20,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:20,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:20,624 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:20,625 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:20,625 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:20,626 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:20,626 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:20,627 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:20,628 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:20,628 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:20,629 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:20,629 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:20,630 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:20,631 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:20,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:20,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:20,633 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:12:20,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:20,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:12:20,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:20,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:20,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:20,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:20,636 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:12:20,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:20,637 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:20,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:20,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:20,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:20,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:20,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:20,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:20,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:20,641 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:20,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:20,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:20,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:20,642 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:20,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:20,643 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_e9962bc9-19f5-498a-91a3-708537702d54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e [2023-11-23 21:12:20,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:21,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:21,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:21,023 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:21,024 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:21,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2023-11-23 21:12:24,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:24,569 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:24,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2023-11-23 21:12:24,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/data/42a396033/8b3057dc15284db49f5d08f82c2793c8/FLAG973c9cfbe [2023-11-23 21:12:24,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/data/42a396033/8b3057dc15284db49f5d08f82c2793c8 [2023-11-23 21:12:24,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:24,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:24,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:24,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:24,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:24,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:24" (1/1) ... [2023-11-23 21:12:24,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f21874e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:24, skipping insertion in model container [2023-11-23 21:12:24,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:24" (1/1) ... [2023-11-23 21:12:24,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:24,870 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_e9962bc9-19f5-498a-91a3-708537702d54/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2023-11-23 21:12:24,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:24,995 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:25,008 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_e9962bc9-19f5-498a-91a3-708537702d54/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2023-11-23 21:12:25,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:25,060 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:25,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25 WrapperNode [2023-11-23 21:12:25,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:25,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:25,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:25,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:25,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,146 INFO L138 Inliner]: procedures = 29, calls = 114, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 366 [2023-11-23 21:12:25,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:25,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:25,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:25,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:25,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:25,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:25,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:25,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:25,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (1/1) ... [2023-11-23 21:12:25,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:25,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:25,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:25,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 21:12:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 21:12:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 21:12:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:25,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:25,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:25,457 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:25,459 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:25,990 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:26,560 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:26,561 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:26,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:26 BoogieIcfgContainer [2023-11-23 21:12:26,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:26,567 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:26,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:26,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:26,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:24" (1/3) ... [2023-11-23 21:12:26,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2442ce37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:26, skipping insertion in model container [2023-11-23 21:12:26,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:25" (2/3) ... [2023-11-23 21:12:26,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2442ce37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:26, skipping insertion in model container [2023-11-23 21:12:26,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:26" (3/3) ... [2023-11-23 21:12:26,579 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-21.i [2023-11-23 21:12:26,600 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:26,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:26,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:26,677 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;@43510ffa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:26,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:26,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:12:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:12:26,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:26,694 INFO L195 NwaCegarLoop]: trace histogram [7, 1, 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 21:12:26,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:26,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:26,703 INFO L85 PathProgramCache]: Analyzing trace with hash 54525411, now seen corresponding path program 1 times [2023-11-23 21:12:26,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:26,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574387319] [2023-11-23 21:12:26,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:26,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:26,942 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:12:26,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [129193271] [2023-11-23 21:12:26,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:26,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:12:26,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:26,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:12:26,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:12:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:27,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:12:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:27,774 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:12:27,776 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:12:27,778 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:12:27,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:27,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:12:28,000 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:12:28,004 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:12:28,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-23 21:12:28,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-23 21:12:28,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-23 21:12:28,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-23 21:12:28,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-23 21:12:28,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-23 21:12:28,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-23 21:12:28,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-23 21:12:28,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 21:12:28,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-23 21:12:28,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-23 21:12:28,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-23 21:12:28,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-23 21:12:28,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated [2023-11-23 21:12:28,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 21:12:28,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated [2023-11-23 21:12:28,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-23 21:12:28,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-23 21:12:28,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:12:28,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:12:28,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:12:28,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-23 21:12:28,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-23 21:12:28,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:12:28,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-23 21:12:28,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:12:28,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-23 21:12:28,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-23 21:12:28,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-23 21:12:28,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-23 21:12:28,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:12:28,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:12:28,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:12:28,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-23 21:12:28,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 21:12:28,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:12:28,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-23 21:12:28,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:12:28,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-23 21:12:28,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 21:12:28,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:12:28,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 21:12:28,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-23 21:12:28,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-23 21:12:28,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:12:28,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-23 21:12:28,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:12:28,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:12:28,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:12:28,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-23 21:12:28,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:12:28,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-23 21:12:28,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:12:28,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:12:28,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 21:12:28,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:12:28,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-23 21:12:28,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:12:28,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-23 21:12:28,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-23 21:12:28,064 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-23 21:12:28,064 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-23 21:12:28,064 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-23 21:12:28,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:12:28,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 21:12:28,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 21:12:28,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:12:28,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-23 21:12:28,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 21:12:28,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 21:12:28,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-23 21:12:28,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-23 21:12:28,071 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-23 21:12:28,071 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:12:28,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:28 BoogieIcfgContainer [2023-11-23 21:12:28,099 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:12:28,099 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:12:28,099 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:12:28,100 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:12:28,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:26" (3/4) ... [2023-11-23 21:12:28,103 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:12:28,104 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:12:28,106 INFO L158 Benchmark]: Toolchain (without parser) took 3503.51ms. Allocated memory is still 151.0MB. Free memory was 114.8MB in the beginning and 78.0MB in the end (delta: 36.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-23 21:12:28,107 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:28,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.10ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 100.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:12:28,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.53ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 97.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:12:28,120 INFO L158 Benchmark]: Boogie Preprocessor took 99.32ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 94.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:28,121 INFO L158 Benchmark]: RCFGBuilder took 1316.60ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 74.5MB in the end (delta: 19.9MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2023-11-23 21:12:28,121 INFO L158 Benchmark]: TraceAbstraction took 1531.61ms. Allocated memory is still 151.0MB. Free memory was 73.7MB in the beginning and 79.1MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:28,122 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 151.0MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:28,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.10ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 100.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.53ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 97.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.32ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 94.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1316.60ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 74.5MB in the end (delta: 19.9MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1531.61ms. Allocated memory is still 151.0MB. Free memory was 73.7MB in the beginning and 79.1MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 151.0MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 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~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 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~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 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~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 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~mem62 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 The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryFLOATComparisonOperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 256 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_1_ = 0; [L38] signed short int last_1_signed_short_int_Array_0_0_ = 256; [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] CALL updateLastVariables() [L82] EXPR BOOL_unsigned_char_Array_0[1] [L82] last_1_BOOL_unsigned_char_Array_0_1_ = BOOL_unsigned_char_Array_0[1] [L83] EXPR signed_short_int_Array_0[0] [L83] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L93] RET updateLastVariables() [L94] CALL updateVariables() [L67] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] double_Array_0[0] = __VERIFIER_nondet_double() [L71] EXPR double_Array_0[0] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L71] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) [L71] EXPR double_Array_0[0] [L71] EXPR double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F [L71] EXPR double_Array_0[0] [L71] EXPR double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F [L71] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] double_Array_0[1] = __VERIFIER_nondet_double() [L73] EXPR double_Array_0[1] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F [L73] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) [L73] EXPR double_Array_0[1] [L73] EXPR double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F [L73] EXPR double_Array_0[1] [L73] EXPR double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F [L73] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] double_Array_0[2] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[2] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F [L75] EXPR (double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) [L75] EXPR double_Array_0[2] [L75] EXPR double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F [L75] EXPR double_Array_0[2] [L75] EXPR double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F [L75] EXPR (double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] float_Array_0[0] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F [L77] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F [L77] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] float_Array_0[1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L79] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L79] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] RET updateVariables() [L95] CALL step() [L42] COND TRUE (last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_) [L43] COND FALSE !(last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) [L51] BOOL_unsigned_char_Array_0[0] [L51] COND TRUE BOOL_unsigned_char_Array_0[0] [L52] EXPR float_Array_0[0] [L52] EXPR float_Array_0[1] [L52] EXPR double_Array_0[1] [L52] EXPR double_Array_0[2] [L52] EXPR double_Array_0[0] [L52] COND FALSE !((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) [L55] EXPR unsigned_short_int_Array_0[0] [L55] signed_short_int_Array_0[0] = unsigned_short_int_Array_0[0] [L58] EXPR double_Array_0[1] [L58] EXPR double_Array_0[0] [L58] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L58] EXPR double_Array_0[0] [L58] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L58] EXPR double_Array_0[2] [L58] COND TRUE ((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2] [L59] last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0]) [L59] COND FALSE !(last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR ((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) [L86] EXPR (last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1 [L86] EXPR ((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) [L86] EXPR double_Array_0[1] [L86] EXPR double_Array_0[0] [L86] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L86] EXPR double_Array_0[1] [L86] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L86] EXPR double_Array_0[2] [L86] EXPR (((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) [L86] EXPR BOOL_unsigned_char_Array_0[1] [L86] EXPR BOOL_unsigned_char_Array_0[0] [L86] EXPR (((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) [L86] EXPR ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) [L86-L87] return ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 7, 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=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 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 21:12:28,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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_e9962bc9-19f5-498a-91a3-708537702d54/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 a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:30,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:31,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:12:31,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:31,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:31,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:31,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:31,195 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:31,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:31,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:31,202 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:31,203 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:31,203 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:31,205 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:31,206 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:31,206 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:31,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:31,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:31,208 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:12:31,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:12:31,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:31,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:31,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:31,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:31,212 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:12:31,212 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:12:31,213 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:12:31,213 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:12:31,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:31,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:31,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:31,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:12:31,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:31,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:31,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:31,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:31,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:31,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:31,218 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:12:31,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:12:31,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:31,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:31,220 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:31,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:31,221 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_e9962bc9-19f5-498a-91a3-708537702d54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e [2023-11-23 21:12:31,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:31,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:31,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:31,713 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:31,713 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:31,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2023-11-23 21:12:34,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:35,160 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:35,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2023-11-23 21:12:35,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/data/060306803/6e17fb2a1b53446497cfb09fcf1ae361/FLAGa3348fd01 [2023-11-23 21:12:35,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/data/060306803/6e17fb2a1b53446497cfb09fcf1ae361 [2023-11-23 21:12:35,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:35,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:35,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:35,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:35,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:35,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510a994d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35, skipping insertion in model container [2023-11-23 21:12:35,216 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:35,470 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_e9962bc9-19f5-498a-91a3-708537702d54/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2023-11-23 21:12:35,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:35,599 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:35,623 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_e9962bc9-19f5-498a-91a3-708537702d54/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2023-11-23 21:12:35,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:35,712 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:35,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35 WrapperNode [2023-11-23 21:12:35,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:35,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:35,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:35,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:35,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,781 INFO L138 Inliner]: procedures = 36, calls = 114, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 366 [2023-11-23 21:12:35,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:35,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:35,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:35,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:35,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:35,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:35,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:35,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:35,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (1/1) ... [2023-11-23 21:12:35,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:35,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:35,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-23 21:12:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-23 21:12:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 21:12:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 21:12:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:12:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 21:12:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-23 21:12:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 21:12:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 21:12:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 21:12:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 21:12:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 21:12:35,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:36,096 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:36,100 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:44,852 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:44,900 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:44,900 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:44,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:44 BoogieIcfgContainer [2023-11-23 21:12:44,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:44,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:44,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:44,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:44,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:35" (1/3) ... [2023-11-23 21:12:44,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbd2555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:44, skipping insertion in model container [2023-11-23 21:12:44,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:35" (2/3) ... [2023-11-23 21:12:44,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbd2555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:44, skipping insertion in model container [2023-11-23 21:12:44,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:44" (3/3) ... [2023-11-23 21:12:44,911 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-21.i [2023-11-23 21:12:44,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:44,931 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:44,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:44,991 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;@4b869d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:44,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:12:45,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 21:12:45,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:45,010 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:45,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:45,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:45,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1813158106, now seen corresponding path program 1 times [2023-11-23 21:12:45,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:45,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949342839] [2023-11-23 21:12:45,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:45,032 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 21:12:45,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:45,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:12:45,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:12:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:45,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:12:45,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:45,475 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 21:12:45,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:45,477 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:45,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949342839] [2023-11-23 21:12:45,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949342839] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:45,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:45,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:12:45,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858145975] [2023-11-23 21:12:45,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:45,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:12:45,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:45,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:12:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:12:45,518 INFO L87 Difference]: Start difference. First operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 21:12:45,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:45,572 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-11-23 21:12:45,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:12:45,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2023-11-23 21:12:45,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:45,583 INFO L225 Difference]: With dead ends: 175 [2023-11-23 21:12:45,584 INFO L226 Difference]: Without dead ends: 87 [2023-11-23 21:12:45,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 21:12:45,590 INFO L413 NwaCegarLoop]: 126 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, 126 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 21:12:45,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:12:45,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-23 21:12:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-23 21:12:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:12:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-11-23 21:12:45,636 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-11-23 21:12:45,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:45,637 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-11-23 21:12:45,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 21:12:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-11-23 21:12:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 21:12:45,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:45,641 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:45,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:45,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:12:45,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:45,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:45,851 INFO L85 PathProgramCache]: Analyzing trace with hash -944939288, now seen corresponding path program 1 times [2023-11-23 21:12:45,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:45,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919546904] [2023-11-23 21:12:45,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:45,853 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 21:12:45,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:45,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:12:45,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:12:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:46,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:12:46,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-23 21:12:46,294 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:46,294 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:46,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919546904] [2023-11-23 21:12:46,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919546904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:46,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:46,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:12:46,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040498475] [2023-11-23 21:12:46,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:46,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:12:46,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:46,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:12:46,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:12:46,298 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 21:12:46,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:46,449 INFO L93 Difference]: Finished difference Result 179 states and 268 transitions. [2023-11-23 21:12:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:12:46,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2023-11-23 21:12:46,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:46,451 INFO L225 Difference]: With dead ends: 179 [2023-11-23 21:12:46,452 INFO L226 Difference]: Without dead ends: 93 [2023-11-23 21:12:46,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 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 21:12:46,454 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 10 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:46,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 370 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:12:46,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-23 21:12:46,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2023-11-23 21:12:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 80 states have (on average 1.475) internal successors, (118), 80 states have internal predecessors, (118), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:12:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 132 transitions. [2023-11-23 21:12:46,467 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 132 transitions. Word has length 75 [2023-11-23 21:12:46,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:46,468 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 132 transitions. [2023-11-23 21:12:46,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 21:12:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2023-11-23 21:12:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 21:12:46,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:46,471 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:46,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:12:46,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:12:46,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:46,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:46,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1388453350, now seen corresponding path program 1 times [2023-11-23 21:12:46,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:46,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755940391] [2023-11-23 21:12:46,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:46,695 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 21:12:46,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:46,698 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:12:46,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:12:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:47,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:12:47,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:47,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-23 21:12:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-23 21:12:47,446 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:47,446 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:47,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755940391] [2023-11-23 21:12:47,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755940391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:47,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:47,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:47,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987617918] [2023-11-23 21:12:47,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:47,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:12:47,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:47,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:12:47,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:12:47,450 INFO L87 Difference]: Start difference. First operand 89 states and 132 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 21:12:49,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:51,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:54,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:56,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:58,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:00,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:02,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:02,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:02,515 INFO L93 Difference]: Finished difference Result 263 states and 390 transitions. [2023-11-23 21:13:02,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:13:02,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 75 [2023-11-23 21:13:02,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:02,536 INFO L225 Difference]: With dead ends: 263 [2023-11-23 21:13:02,537 INFO L226 Difference]: Without dead ends: 175 [2023-11-23 21:13:02,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 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 21:13:02,539 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 80 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:02,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 306 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 6 Unknown, 0 Unchecked, 15.0s Time] [2023-11-23 21:13:02,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-23 21:13:02,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 151. [2023-11-23 21:13:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 134 states have (on average 1.4477611940298507) internal successors, (194), 134 states have internal predecessors, (194), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:13:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2023-11-23 21:13:02,569 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 75 [2023-11-23 21:13:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:02,570 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2023-11-23 21:13:02,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 21:13:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2023-11-23 21:13:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 21:13:02,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:02,572 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:02,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:13:02,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:13:02,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:02,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:02,782 INFO L85 PathProgramCache]: Analyzing trace with hash 722911461, now seen corresponding path program 1 times [2023-11-23 21:13:02,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:02,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268100916] [2023-11-23 21:13:02,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:02,783 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 21:13:02,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:02,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:13:02,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:13:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:03,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:13:03,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-23 21:13:03,187 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:03,188 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:03,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268100916] [2023-11-23 21:13:03,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268100916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:03,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:03,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:13:03,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928331975] [2023-11-23 21:13:03,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:03,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:13:03,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:03,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:13:03,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:13:03,190 INFO L87 Difference]: Start difference. First operand 151 states and 222 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 21:13:03,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:03,486 INFO L93 Difference]: Finished difference Result 258 states and 381 transitions. [2023-11-23 21:13:03,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:13:03,487 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 78 [2023-11-23 21:13:03,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:03,489 INFO L225 Difference]: With dead ends: 258 [2023-11-23 21:13:03,489 INFO L226 Difference]: Without dead ends: 170 [2023-11-23 21:13:03,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:13:03,491 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 72 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:03,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 476 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:13:03,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-23 21:13:03,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 154. [2023-11-23 21:13:03,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 137 states have (on average 1.437956204379562) internal successors, (197), 137 states have internal predecessors, (197), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:13:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 225 transitions. [2023-11-23 21:13:03,535 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 225 transitions. Word has length 78 [2023-11-23 21:13:03,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:03,536 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 225 transitions. [2023-11-23 21:13:03,537 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 21:13:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 225 transitions. [2023-11-23 21:13:03,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 21:13:03,543 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:03,544 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:03,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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)] Ended with exit code 0 [2023-11-23 21:13:03,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:13:03,752 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:03,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:03,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1762313116, now seen corresponding path program 1 times [2023-11-23 21:13:03,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:13:03,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787231936] [2023-11-23 21:13:03,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:03,754 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 21:13:03,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:13:03,757 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:13:03,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9962bc9-19f5-498a-91a3-708537702d54/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 21:13:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:04,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:13:04,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:04,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2023-11-23 21:13:04,558 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-23 21:13:04,558 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:13:04,558 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:13:04,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787231936] [2023-11-23 21:13:04,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787231936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:04,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:04,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:13:04,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944906054] [2023-11-23 21:13:04,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:04,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:13:04,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:13:04,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:13:04,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:13:04,561 INFO L87 Difference]: Start difference. First operand 154 states and 225 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 21:13:07,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:09,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:10,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:12,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:14,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:16,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:19,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:21,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:23,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:25,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []