./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh --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 1825bc9a0285763e27450cd61a02fb9d706f8ecf9bea3df3659a486d8c0885be --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:44:50,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:44:50,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:44:50,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:44:50,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:44:50,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:44:50,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:44:50,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:44:50,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:44:50,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:44:50,262 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:44:50,263 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:44:50,263 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:44:50,264 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:44:50,264 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:44:50,265 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:44:50,265 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:44:50,266 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:44:50,266 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:44:50,267 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:44:50,267 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:44:50,268 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:44:50,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:44:50,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:44:50,270 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:44:50,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:44:50,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:44:50,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:44:50,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:44:50,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:44:50,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:44:50,273 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:44:50,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:44:50,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:44:50,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:44:50,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:44:50,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:44:50,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:44:50,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:44:50,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:44:50,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:44:50,275 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:44:50,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:44:50,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:44:50,276 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:44:50,276 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:44:50,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:44:50,276 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_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1825bc9a0285763e27450cd61a02fb9d706f8ecf9bea3df3659a486d8c0885be [2023-12-02 15:44:50,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:44:50,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:44:50,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:44:50,540 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:44:50,541 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:44:50,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i [2023-12-02 15:44:53,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:44:53,410 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:44:53,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i [2023-12-02 15:44:53,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/data/87d6fbded/010767e44e2846dd9e41517d30781408/FLAG9834411f5 [2023-12-02 15:44:53,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/data/87d6fbded/010767e44e2846dd9e41517d30781408 [2023-12-02 15:44:53,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:44:53,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:44:53,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:44:53,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:44:53,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:44:53,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626db1a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53, skipping insertion in model container [2023-12-02 15:44:53,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,478 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:44:53,607 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_e3d25a67-c080-4a77-a968-c38ef49dd85f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i[917,930] [2023-12-02 15:44:53,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:44:53,679 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:44:53,689 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_e3d25a67-c080-4a77-a968-c38ef49dd85f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i[917,930] [2023-12-02 15:44:53,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:44:53,736 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:44:53,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53 WrapperNode [2023-12-02 15:44:53,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:44:53,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:44:53,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:44:53,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:44:53,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,817 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-12-02 15:44:53,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:44:53,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:44:53,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:44:53,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:44:53,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:44:53,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:44:53,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:44:53,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:44:53,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (1/1) ... [2023-12-02 15:44:53,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:44:53,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:44:53,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:44:53,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:44:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:44:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:44:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:44:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:44:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:44:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:44:54,015 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:44:54,017 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:44:54,355 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:44:54,580 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:44:54,581 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:44:54,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:44:54 BoogieIcfgContainer [2023-12-02 15:44:54,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:44:54,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:44:54,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:44:54,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:44:54,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:44:53" (1/3) ... [2023-12-02 15:44:54,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a671031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:44:54, skipping insertion in model container [2023-12-02 15:44:54,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:44:53" (2/3) ... [2023-12-02 15:44:54,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a671031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:44:54, skipping insertion in model container [2023-12-02 15:44:54,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:44:54" (3/3) ... [2023-12-02 15:44:54,591 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-10.i [2023-12-02 15:44:54,611 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:44:54,611 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:44:54,662 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:44:54,669 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;@f105220, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:44:54,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:44:54,673 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) [2023-12-02 15:44:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 15:44:54,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:44:54,685 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] [2023-12-02 15:44:54,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:44:54,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:44:54,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1139990301, now seen corresponding path program 1 times [2023-12-02 15:44:54,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:44:54,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352819343] [2023-12-02 15:44:54,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:44:54,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:44:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:44:55,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:44:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:44:55,856 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:44:55,858 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:44:55,859 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:44:55,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:44:55,865 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:44:55,869 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:44:55,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:44:55 BoogieIcfgContainer [2023-12-02 15:44:55,941 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:44:55,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:44:55,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:44:55,942 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:44:55,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:44:54" (3/4) ... [2023-12-02 15:44:55,945 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:44:55,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:44:55,948 INFO L158 Benchmark]: Toolchain (without parser) took 2509.39ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 72.1MB in the beginning and 81.1MB in the end (delta: -9.0MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-12-02 15:44:55,948 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:44:55,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.98ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 57.4MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 15:44:55,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.61ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 57.4MB in the beginning and 119.0MB in the end (delta: -61.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-12-02 15:44:55,950 INFO L158 Benchmark]: Boogie Preprocessor took 45.90ms. Allocated memory is still 148.9MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:44:55,951 INFO L158 Benchmark]: RCFGBuilder took 718.06ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 114.2MB in the end (delta: 2.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-12-02 15:44:55,951 INFO L158 Benchmark]: TraceAbstraction took 1356.11ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 114.2MB in the beginning and 82.1MB in the end (delta: 32.1MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2023-12-02 15:44:55,952 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 180.4MB. Free memory was 82.1MB in the beginning and 81.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:44:55,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.98ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 57.4MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.61ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 57.4MB in the beginning and 119.0MB in the end (delta: -61.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.90ms. Allocated memory is still 148.9MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.06ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 114.2MB in the end (delta: 2.7MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1356.11ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 114.2MB in the beginning and 82.1MB in the end (delta: 32.1MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 180.4MB. Free memory was 82.1MB in the beginning and 81.1MB 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.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 67. 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; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] FCALL updateLastVariables() [L135] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_uchar() [L88] 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) [L88] 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] [L89] 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=1, 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) [L89] 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=1, 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] [L90] var_1_3 = __VERIFIER_nondet_uchar() [L91] 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=1, 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) [L91] 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=1, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L92] 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=1, 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) [L92] 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=1, 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] [L93] var_1_4 = __VERIFIER_nondet_ushort() [L94] 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=1, var_1_3=0, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L94] 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=1, var_1_3=0, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L95] 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=1, var_1_3=0, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L95] 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=1, var_1_3=0, var_1_4=49150, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L96] var_1_5 = __VERIFIER_nondet_ushort() [L97] 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=1, var_1_3=0, var_1_4=49150, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L97] 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=1, var_1_3=0, var_1_4=49150, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L98] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L98] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L99] var_1_6 = __VERIFIER_nondet_ushort() [L100] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L100] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_7=16, var_1_8=0, var_1_9=1] [L101] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L101] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=16, var_1_8=0, var_1_9=1] [L102] var_1_7 = __VERIFIER_nondet_ushort() [L103] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L103] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_8=0, var_1_9=1] [L104] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L104] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L105] var_1_9 = __VERIFIER_nondet_uchar() [L106] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L106] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L107] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L107] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L108] var_1_11 = __VERIFIER_nondet_short() [L109] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L110] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L110] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L111] var_1_12 = __VERIFIER_nondet_short() [L112] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L112] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L113] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L113] 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L114] var_1_13 = __VERIFIER_nondet_short() [L115] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L116] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L116] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L117] var_1_15 = __VERIFIER_nondet_uchar() [L118] 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=16385, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L118] 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=16385, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_1=4, var_1_2=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L119] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L119] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L120] var_1_16 = __VERIFIER_nondet_ushort() [L121] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L121] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L122] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L122] 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=16385, 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=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, var_1_8=0, var_1_9=1] [L135] RET updateVariables() [L136] CALL step() [L43] unsigned char stepLocal_1 = var_1_3; [L44] unsigned short int stepLocal_0 = var_1_6; [L45] COND FALSE !(var_1_2 && stepLocal_1) [L48] COND TRUE ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_0 [L49] var_1_1 = var_1_5 [L52] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) [L53] unsigned char stepLocal_3 = var_1_9; [L54] unsigned short int stepLocal_2 = var_1_1; [L55] COND TRUE stepLocal_2 < var_1_6 [L56] COND TRUE (var_1_6 != var_1_5) || stepLocal_3 [L57] var_1_10 = (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L64] COND TRUE \read(var_1_15) [L65] 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))))) [L67] EXPR var_1_16 << var_1_7 [L67] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L67] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L68] COND FALSE !(stepLocal_4 >= var_1_14) [L71] var_1_17 = (var_1_6 + var_1_5) [L73] unsigned short int stepLocal_5 = var_1_16; [L74] COND TRUE var_1_5 == stepLocal_5 [L75] COND TRUE \read(var_1_2) [L76] var_1_18 = (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))) [L136] RET step() [L137] CALL, EXPR property() [L127] 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)))) [L127] EXPR var_1_16 << var_1_7 [L127] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L127] EXPR var_1_16 << var_1_7 [L127] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L127] 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)))) [L127-L128] 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)) ; [L137] RET, EXPR property() [L137] 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=16385, var_1_14=32767, var_1_15=1, var_1_16=16383, var_1_17=32767, var_1_18=30393, var_1_1=16383, var_1_2=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, 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=16385, var_1_14=32767, var_1_15=1, var_1_16=16383, var_1_17=32767, var_1_18=30393, var_1_1=16383, var_1_2=1, var_1_3=0, var_1_4=49150, var_1_5=16383, var_1_6=16384, var_1_7=1, 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: 1.2s, 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, 0.5s 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 [2023-12-02 15:44:55,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh --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 1825bc9a0285763e27450cd61a02fb9d706f8ecf9bea3df3659a486d8c0885be --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:44:57,957 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:44:58,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:44:58,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:44:58,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:44:58,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:44:58,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:44:58,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:44:58,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:44:58,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:44:58,069 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:44:58,070 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:44:58,070 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:44:58,071 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:44:58,071 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:44:58,072 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:44:58,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:44:58,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:44:58,074 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:44:58,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:44:58,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:44:58,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:44:58,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:44:58,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:44:58,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:44:58,078 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:44:58,078 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:44:58,079 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:44:58,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:44:58,079 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:44:58,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:44:58,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:44:58,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:44:58,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:44:58,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:44:58,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:44:58,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:44:58,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:44:58,082 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:44:58,082 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:44:58,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:44:58,083 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:44:58,083 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:44:58,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:44:58,083 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_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1825bc9a0285763e27450cd61a02fb9d706f8ecf9bea3df3659a486d8c0885be [2023-12-02 15:44:58,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:44:58,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:44:58,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:44:58,401 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:44:58,402 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:44:58,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i [2023-12-02 15:45:01,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:45:01,418 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:45:01,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i [2023-12-02 15:45:01,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/data/01a8a7d85/d742340450a44a1e88d55d800a4d40c6/FLAGe13fabafd [2023-12-02 15:45:01,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/data/01a8a7d85/d742340450a44a1e88d55d800a4d40c6 [2023-12-02 15:45:01,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:45:01,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:45:01,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:45:01,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:45:01,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:45:01,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbfabf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01, skipping insertion in model container [2023-12-02 15:45:01,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:45:01,643 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_e3d25a67-c080-4a77-a968-c38ef49dd85f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i[917,930] [2023-12-02 15:45:01,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:45:01,711 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:45:01,724 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_e3d25a67-c080-4a77-a968-c38ef49dd85f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-10.i[917,930] [2023-12-02 15:45:01,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:45:01,771 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:45:01,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01 WrapperNode [2023-12-02 15:45:01,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:45:01,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:45:01,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:45:01,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:45:01,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,822 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-12-02 15:45:01,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:45:01,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:45:01,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:45:01,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:45:01,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:45:01,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:45:01,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:45:01,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:45:01,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (1/1) ... [2023-12-02 15:45:01,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:45:01,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:45:01,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:45:01,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:45:01,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:45:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:45:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:45:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:45:01,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:45:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:45:02,035 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:45:02,038 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:45:02,313 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:45:02,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:45:02,356 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:45:02,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:45:02 BoogieIcfgContainer [2023-12-02 15:45:02,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:45:02,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:45:02,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:45:02,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:45:02,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:45:01" (1/3) ... [2023-12-02 15:45:02,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edcbb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:45:02, skipping insertion in model container [2023-12-02 15:45:02,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:45:01" (2/3) ... [2023-12-02 15:45:02,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6edcbb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:45:02, skipping insertion in model container [2023-12-02 15:45:02,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:45:02" (3/3) ... [2023-12-02 15:45:02,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-10.i [2023-12-02 15:45:02,385 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:45:02,385 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:45:02,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:45:02,444 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;@372a7e8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:45:02,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:45:02,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 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) [2023-12-02 15:45:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 15:45:02,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:45:02,466 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, 1, 1] [2023-12-02 15:45:02,466 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:45:02,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:45:02,472 INFO L85 PathProgramCache]: Analyzing trace with hash -87436918, now seen corresponding path program 1 times [2023-12-02 15:45:02,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:45:02,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182149967] [2023-12-02 15:45:02,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:45:02,488 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 [2023-12-02 15:45:02,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:45:02,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:45:02,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:45:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:45:02,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:45:02,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:45:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-12-02 15:45:02,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:45:02,734 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:45:02,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182149967] [2023-12-02 15:45:02,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182149967] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:45:02,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:45:02,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:45:02,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425299512] [2023-12-02 15:45:02,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:45:02,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:45:02,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:45:02,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:45:02,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:45:02,776 INFO L87 Difference]: Start difference. First operand has 61 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 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 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2023-12-02 15:45:02,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:45:02,824 INFO L93 Difference]: Finished difference Result 119 states and 214 transitions. [2023-12-02 15:45:02,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:45:02,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 146 [2023-12-02 15:45:02,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:45:02,837 INFO L225 Difference]: With dead ends: 119 [2023-12-02 15:45:02,837 INFO L226 Difference]: Without dead ends: 59 [2023-12-02 15:45:02,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:45:02,845 INFO L413 NwaCegarLoop]: 88 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, 88 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 [2023-12-02 15:45:02,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:45:02,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-02 15:45:02,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-02 15:45:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 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) [2023-12-02 15:45:02,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 91 transitions. [2023-12-02 15:45:02,892 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 91 transitions. Word has length 146 [2023-12-02 15:45:02,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:45:02,892 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 91 transitions. [2023-12-02 15:45:02,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2023-12-02 15:45:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 91 transitions. [2023-12-02 15:45:02,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 15:45:02,896 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:45:02,897 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, 1, 1] [2023-12-02 15:45:02,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:45:03,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:45:03,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:45:03,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:45:03,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1855880822, now seen corresponding path program 1 times [2023-12-02 15:45:03,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:45:03,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713803675] [2023-12-02 15:45:03,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:45:03,104 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 [2023-12-02 15:45:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:45:03,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 15:45:03,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3d25a67-c080-4a77-a968-c38ef49dd85f/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 15:45:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:45:03,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 15:45:03,404 INFO L285 TraceCheckSpWp]: Computing forward predicates...