./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ccee0229556691a937cdcac01dc95204eb56d830547417b519006af3a6e2b5c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:17,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:17,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:01:17,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:17,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:17,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:17,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:17,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:17,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:17,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:17,363 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:17,364 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:17,364 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:17,366 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:17,367 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:17,367 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:17,367 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:17,368 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:17,368 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:17,369 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:17,369 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:17,370 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:17,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:17,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:17,372 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:01:17,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:17,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:01:17,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:17,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:17,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:17,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:17,376 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:01:17,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:17,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:17,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:17,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:17,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:17,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:17,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:17,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:17,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:17,378 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:17,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:17,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:17,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:17,380 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:17,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:17,380 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_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ccee0229556691a937cdcac01dc95204eb56d830547417b519006af3a6e2b5c [2023-11-25 00:01:17,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:17,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:17,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:17,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:17,777 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:17,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i [2023-11-25 00:01:20,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:21,213 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:21,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i [2023-11-25 00:01:21,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/data/cbe3c9483/4ebda1c492bf4ce39a5bca87527f1fbb/FLAG81ebb22b1 [2023-11-25 00:01:21,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/data/cbe3c9483/4ebda1c492bf4ce39a5bca87527f1fbb [2023-11-25 00:01:21,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:21,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:21,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:21,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:21,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:21,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2136e6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21, skipping insertion in model container [2023-11-25 00:01:21,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:21,466 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i[913,926] [2023-11-25 00:01:21,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:21,548 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:21,562 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_59182cbb-4cc1-40af-8116-cd7c7205f724/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i[913,926] [2023-11-25 00:01:21,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:21,627 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:21,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21 WrapperNode [2023-11-25 00:01:21,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:21,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:21,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:21,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:21,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,708 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-11-25 00:01:21,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:21,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:21,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:21,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:21,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:21,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:21,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:21,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:21,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (1/1) ... [2023-11-25 00:01:21,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:21,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:21,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:21,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:01:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:22,019 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:22,022 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:22,554 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:22,852 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:22,853 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:01:22,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:22 BoogieIcfgContainer [2023-11-25 00:01:22,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:22,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:22,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:22,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:22,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:21" (1/3) ... [2023-11-25 00:01:22,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f94ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:22, skipping insertion in model container [2023-11-25 00:01:22,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:21" (2/3) ... [2023-11-25 00:01:22,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f94ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:22, skipping insertion in model container [2023-11-25 00:01:22,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:22" (3/3) ... [2023-11-25 00:01:22,864 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-10.i [2023-11-25 00:01:22,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:22,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:01:22,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:22,940 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;@77ad4d57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:22,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:01:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-25 00:01:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-25 00:01:22,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:22,955 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:22,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:22,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:22,962 INFO L85 PathProgramCache]: Analyzing trace with hash -815779789, now seen corresponding path program 1 times [2023-11-25 00:01:22,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:22,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165290670] [2023-11-25 00:01:22,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:22,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:01:23,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:01:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:01:24,487 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:01:24,491 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:01:24,492 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:01:24,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:01:24,499 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:01:24,504 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:01:24,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:01:24 BoogieIcfgContainer [2023-11-25 00:01:24,634 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:01:24,635 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:01:24,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:01:24,636 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:01:24,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:22" (3/4) ... [2023-11-25 00:01:24,640 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:01:24,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:01:24,643 INFO L158 Benchmark]: Toolchain (without parser) took 3383.47ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 77.0MB in the end (delta: 26.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-25 00:01:24,644 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 83.5MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:24,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.86ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 89.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:01:24,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.93ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 84.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:01:24,647 INFO L158 Benchmark]: Boogie Preprocessor took 62.27ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 82.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:01:24,651 INFO L158 Benchmark]: RCFGBuilder took 1082.59ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 98.6MB in the end (delta: -16.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-11-25 00:01:24,653 INFO L158 Benchmark]: TraceAbstraction took 1776.67ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 77.0MB in the end (delta: 21.0MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-11-25 00:01:24,653 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 142.6MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:01:24,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 83.5MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.86ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 89.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.93ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 84.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.27ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 82.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1082.59ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 98.6MB in the end (delta: -16.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1776.67ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 77.0MB in the end (delta: 21.0MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 142.6MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * 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 shiftLeft at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned short int var_1_4 = 58792; [L26] unsigned short int var_1_5 = 8; [L27] unsigned short int var_1_6 = 64; [L28] unsigned short int var_1_7 = 16; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 1; [L31] signed short int var_1_10 = 1000; [L32] signed short int var_1_11 = 1; [L33] signed short int var_1_12 = -25; [L34] signed short int var_1_13 = 25; [L35] unsigned short int var_1_14 = 5; [L36] unsigned char var_1_15 = 0; [L37] unsigned short int var_1_16 = 20511; [L38] unsigned long int var_1_17 = 50; [L39] unsigned short int var_1_18 = 10; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] FCALL updateLastVariables() [L129] CALL updateVariables() [L81] var_1_2 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L84] var_1_3 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L87] var_1_4 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L90] var_1_5 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L93] var_1_6 = __VERIFIER_nondet_ushort() [L94] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16, var_1_8=0, var_1_9=1] [L96] var_1_7 = __VERIFIER_nondet_ushort() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_8=0, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L99] var_1_9 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L102] var_1_11 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L105] var_1_12 = __VERIFIER_nondet_short() [L106] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=25, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L108] var_1_13 = __VERIFIER_nondet_short() [L109] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=0, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L111] var_1_15 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L113] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=1, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=1, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L114] var_1_16 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L116] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1000, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=1, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=0, var_1_9=1] [L129] RET updateVariables() [L130] CALL step() [L43] COND FALSE !(var_1_2 && var_1_3) [L46] COND TRUE ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6 [L47] var_1_1 = var_1_5 [L50] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) [L51] COND TRUE var_1_1 < var_1_6 [L52] COND TRUE (var_1_6 != var_1_5) || var_1_9 [L53] var_1_10 = (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L60] COND TRUE \read(var_1_15) [L61] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) [L63] EXPR var_1_16 << var_1_7 [L63] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L63] EXPR var_1_16 << var_1_7 [L63] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L63] COND TRUE ((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14 [L64] var_1_17 = var_1_11 [L68] COND TRUE var_1_5 == var_1_16 [L69] COND FALSE !(\read(var_1_2)) [L72] var_1_18 = var_1_4 [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_1 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_15 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L121] EXPR var_1_16 << var_1_7 [L121] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L121] EXPR var_1_16 << var_1_7 [L121] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L121] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_1 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_15 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L121-L122] return ((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_1 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_15 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_2 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-6383, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=42770, var_1_15=1, var_1_16=16383, var_1_17=0, var_1_18=59153, var_1_1=16383, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-6383, var_1_11=0, var_1_12=0, var_1_13=16384, var_1_14=42770, var_1_15=1, var_1_16=16383, var_1_17=0, var_1_18=59153, var_1_1=16383, var_1_2=0, var_1_3=0, var_1_4=59153, var_1_5=16383, var_1_6=24125, var_1_7=16382, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred 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: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 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 [2023-11-25 00:01:24,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ccee0229556691a937cdcac01dc95204eb56d830547417b519006af3a6e2b5c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:27,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:27,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:01:27,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:27,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:27,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:27,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:27,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:27,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:27,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:27,673 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:27,673 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:27,674 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:27,675 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:27,676 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:27,676 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:27,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:27,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:27,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:01:27,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:01:27,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:27,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:27,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:27,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:27,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:01:27,682 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:01:27,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:01:27,683 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:01:27,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:27,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:27,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:27,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:01:27,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:27,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:27,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:27,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:27,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:27,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:27,687 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:01:27,688 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:01:27,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:27,688 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:27,689 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:27,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:27,689 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_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ccee0229556691a937cdcac01dc95204eb56d830547417b519006af3a6e2b5c [2023-11-25 00:01:28,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:28,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:28,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:28,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:28,125 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:28,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i [2023-11-25 00:01:31,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:31,763 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:31,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i [2023-11-25 00:01:31,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/data/0eecccc5a/5621ae0bbe8f44e08f09b5ff4949c5e2/FLAGbe1f4ddfd [2023-11-25 00:01:31,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/data/0eecccc5a/5621ae0bbe8f44e08f09b5ff4949c5e2 [2023-11-25 00:01:31,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:31,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:31,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:31,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:31,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:31,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:31" (1/1) ... [2023-11-25 00:01:31,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfad5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:31, skipping insertion in model container [2023-11-25 00:01:31,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:31" (1/1) ... [2023-11-25 00:01:31,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:31,989 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_59182cbb-4cc1-40af-8116-cd7c7205f724/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i[913,926] [2023-11-25 00:01:32,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:32,070 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:32,086 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_59182cbb-4cc1-40af-8116-cd7c7205f724/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-10.i[913,926] [2023-11-25 00:01:32,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:32,168 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:32,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32 WrapperNode [2023-11-25 00:01:32,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:32,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:32,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:32,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:32,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,218 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-11-25 00:01:32,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:32,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:32,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:32,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:32,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:32,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:32,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:32,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:32,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (1/1) ... [2023-11-25 00:01:32,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:32,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:32,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:32,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:01:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:32,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:32,448 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:32,451 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:32,797 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:32,881 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:32,887 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:01:32,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:32 BoogieIcfgContainer [2023-11-25 00:01:32,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:32,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:32,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:32,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:32,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:31" (1/3) ... [2023-11-25 00:01:32,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef36530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:32, skipping insertion in model container [2023-11-25 00:01:32,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:32" (2/3) ... [2023-11-25 00:01:32,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef36530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:32, skipping insertion in model container [2023-11-25 00:01:32,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:32" (3/3) ... [2023-11-25 00:01:32,901 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-10.i [2023-11-25 00:01:32,921 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:32,921 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:01:33,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:33,012 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;@23c9604b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:33,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:01:33,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 32 states have (on average 1.4375) internal successors, (46), 33 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-25 00:01:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-25 00:01:33,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:33,040 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:33,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:33,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:33,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1304823333, now seen corresponding path program 1 times [2023-11-25 00:01:33,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:01:33,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420936591] [2023-11-25 00:01:33,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:33,061 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 [2023-11-25 00:01:33,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:01:33,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:01:33,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:01:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:33,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:01:33,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:01:33,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-11-25 00:01:33,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:01:33,318 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:01:33,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420936591] [2023-11-25 00:01:33,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420936591] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:33,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:33,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:01:33,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528257068] [2023-11-25 00:01:33,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:33,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:01:33,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:01:33,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:01:33,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:01:33,363 INFO L87 Difference]: Start difference. First operand has 59 states, 32 states have (on average 1.4375) internal successors, (46), 33 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-25 00:01:33,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:33,418 INFO L93 Difference]: Finished difference Result 115 states and 210 transitions. [2023-11-25 00:01:33,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:01:33,422 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 144 [2023-11-25 00:01:33,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:33,431 INFO L225 Difference]: With dead ends: 115 [2023-11-25 00:01:33,431 INFO L226 Difference]: Without dead ends: 57 [2023-11-25 00:01:33,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:01:33,439 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:33,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:01:33,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-25 00:01:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-25 00:01:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 31 states have internal predecessors, (41), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-25 00:01:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 89 transitions. [2023-11-25 00:01:33,492 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 89 transitions. Word has length 144 [2023-11-25 00:01:33,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:33,493 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 89 transitions. [2023-11-25 00:01:33,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-25 00:01:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2023-11-25 00:01:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-25 00:01:33,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:33,498 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:33,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-25 00:01:33,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:01:33,703 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:33,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:33,704 INFO L85 PathProgramCache]: Analyzing trace with hash 109688357, now seen corresponding path program 1 times [2023-11-25 00:01:33,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:01:33,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232365589] [2023-11-25 00:01:33,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:33,706 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 [2023-11-25 00:01:33,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:01:33,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:01:33,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59182cbb-4cc1-40af-8116-cd7c7205f724/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-25 00:01:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:34,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-25 00:01:34,078 INFO L285 TraceCheckSpWp]: Computing forward predicates...