./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.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_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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_6893c9fd-1472-451b-90be-fa637eaa668b/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 2296f8bb93bd4140c35d0b2800df8c874c564098ef0aa8a507c2732dcd35dc25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:09:38,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:09:38,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:09:38,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:09:38,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:09:38,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:09:38,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:09:38,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:09:38,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:09:38,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:09:38,869 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:09:38,869 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:09:38,870 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:09:38,870 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:09:38,871 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:09:38,871 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:09:38,872 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:09:38,872 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:09:38,873 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:09:38,873 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:09:38,873 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:09:38,874 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:09:38,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:09:38,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:09:38,876 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:09:38,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:09:38,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:09:38,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:09:38,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:09:38,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:09:38,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:09:38,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:09:38,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:09:38,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:09:38,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:09:38,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:09:38,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:09:38,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:09:38,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:09:38,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:09:38,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:09:38,880 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:09:38,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:09:38,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:09:38,881 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:09:38,881 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:09:38,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:09:38,881 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_6893c9fd-1472-451b-90be-fa637eaa668b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2296f8bb93bd4140c35d0b2800df8c874c564098ef0aa8a507c2732dcd35dc25 [2023-12-02 16:09:39,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:09:39,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:09:39,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:09:39,124 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:09:39,125 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:09:39,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i [2023-12-02 16:09:41,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:09:42,055 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:09:42,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i [2023-12-02 16:09:42,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/data/9884f2035/895f5fc6c2a6453aba796439808da1c9/FLAGa5ae0905f [2023-12-02 16:09:42,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/data/9884f2035/895f5fc6c2a6453aba796439808da1c9 [2023-12-02 16:09:42,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:09:42,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:09:42,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:09:42,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:09:42,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:09:42,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9fa4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42, skipping insertion in model container [2023-12-02 16:09:42,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,113 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:09:42,228 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_6893c9fd-1472-451b-90be-fa637eaa668b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i[919,932] [2023-12-02 16:09:42,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:09:42,288 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:09:42,298 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_6893c9fd-1472-451b-90be-fa637eaa668b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i[919,932] [2023-12-02 16:09:42,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:09:42,340 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:09:42,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42 WrapperNode [2023-12-02 16:09:42,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:09:42,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:09:42,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:09:42,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:09:42,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,390 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-12-02 16:09:42,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:09:42,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:09:42,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:09:42,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:09:42,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:09:42,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:09:42,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:09:42,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:09:42,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (1/1) ... [2023-12-02 16:09:42,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:09:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:09:42,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:09:42,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:09:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:09:42,490 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:09:42,491 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:09:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:09:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:09:42,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:09:42,564 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:09:42,566 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:09:42,836 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:09:43,060 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:09:43,060 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:09:43,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:43 BoogieIcfgContainer [2023-12-02 16:09:43,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:09:43,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:09:43,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:09:43,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:09:43,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:09:42" (1/3) ... [2023-12-02 16:09:43,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea8a665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:43, skipping insertion in model container [2023-12-02 16:09:43,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:42" (2/3) ... [2023-12-02 16:09:43,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea8a665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:43, skipping insertion in model container [2023-12-02 16:09:43,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:43" (3/3) ... [2023-12-02 16:09:43,071 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-64.i [2023-12-02 16:09:43,090 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:09:43,090 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:09:43,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:09:43,146 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;@7a530cfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:09:43,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:09:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 16:09:43,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 16:09:43,162 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:09:43,163 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:43,163 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:09:43,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:09:43,167 INFO L85 PathProgramCache]: Analyzing trace with hash 309231717, now seen corresponding path program 1 times [2023-12-02 16:09:43,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:09:43,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309422638] [2023-12-02 16:09:43,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:09:43,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:09:43,340 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:09:43,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636692161] [2023-12-02 16:09:43,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:09:43,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:09:43,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:09:43,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:09:43,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:09:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:09:44,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:09:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:09:45,216 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:09:45,217 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:09:45,218 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:09:45,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:09:45,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 16:09:45,424 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:09:45,427 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:09:45,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:09:45 BoogieIcfgContainer [2023-12-02 16:09:45,515 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:09:45,516 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:09:45,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:09:45,517 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:09:45,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:43" (3/4) ... [2023-12-02 16:09:45,519 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:09:45,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:09:45,522 INFO L158 Benchmark]: Toolchain (without parser) took 3441.37ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 100.2MB in the beginning and 96.9MB in the end (delta: 3.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-12-02 16:09:45,522 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:09:45,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.36ms. Allocated memory is still 136.3MB. Free memory was 99.7MB in the beginning and 86.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 16:09:45,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.65ms. Allocated memory is still 136.3MB. Free memory was 86.5MB in the beginning and 84.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:09:45,524 INFO L158 Benchmark]: Boogie Preprocessor took 32.88ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 82.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:09:45,525 INFO L158 Benchmark]: RCFGBuilder took 637.09ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 82.4MB in the beginning and 141.0MB in the end (delta: -58.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-12-02 16:09:45,525 INFO L158 Benchmark]: TraceAbstraction took 2450.71ms. Allocated memory is still 180.4MB. Free memory was 140.0MB in the beginning and 96.9MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 16:09:45,526 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 180.4MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:09:45,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.36ms. Allocated memory is still 136.3MB. Free memory was 99.7MB in the beginning and 86.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.65ms. Allocated memory is still 136.3MB. Free memory was 86.5MB in the beginning and 84.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.88ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 82.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.09ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 82.4MB in the beginning and 141.0MB in the end (delta: -58.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2450.71ms. Allocated memory is still 180.4MB. Free memory was 140.0MB in the beginning and 96.9MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 180.4MB. Free memory is still 96.9MB. 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 shiftRight at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -2; [L23] signed char var_1_10 = -32; [L24] signed long int var_1_11 = 4; [L25] signed long int var_1_12 = 1731242407; [L26] signed long int var_1_13 = 0; [L27] signed char var_1_14 = 10; [L28] signed char var_1_15 = 8; [L29] signed char var_1_16 = -25; [L30] signed char var_1_17 = -16; [L31] unsigned long int var_1_18 = 0; [L32] signed short int var_1_19 = 256; [L33] signed short int var_1_20 = 28075; [L34] signed short int var_1_21 = 256; [L35] signed short int var_1_22 = 25; [L36] unsigned char var_1_23 = 0; [L37] unsigned char var_1_24 = 0; [L38] signed char var_1_25 = 1; [L39] signed char var_1_26 = 0; [L40] signed char var_1_27 = 10; [L41] unsigned long int var_1_28 = 64; [L42] signed long int last_1_var_1_1 = -2; [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] CALL updateLastVariables() [L122] last_1_var_1_1 = var_1_1 [L132] RET updateLastVariables() [L133] CALL updateVariables() [L81] var_1_11 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L83] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L84] var_1_12 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L86] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L87] var_1_13 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L89] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L90] var_1_14 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L92] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L93] var_1_15 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L95] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L96] var_1_16 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L98] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L99] var_1_17 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L101] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L102] var_1_20 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_20 >= 16382) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_20 >= 16382) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L104] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L105] var_1_21 = __VERIFIER_nondet_short() [L106] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L107] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L108] var_1_22 = __VERIFIER_nondet_short() [L109] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L110] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L111] var_1_24 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L113] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L114] var_1_26 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_26 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_26 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=10, var_1_28=64] [L116] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=10, var_1_28=64] [L117] var_1_27 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=1, var_1_28=64] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=1, var_1_28=64] [L119] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=1, var_1_28=64] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=1, var_1_28=64] [L133] RET updateVariables() [L134] CALL step() [L46] var_1_19 = ((var_1_20 - var_1_21) - var_1_22) [L47] COND TRUE ((var_1_26 - var_1_27) + var_1_19) > var_1_22 [L48] var_1_25 = ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))) [L52] EXPR var_1_25 >> var_1_19 [L52] COND TRUE (var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13)) [L53] var_1_10 = (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L57] COND TRUE var_1_10 != var_1_25 [L58] var_1_18 = ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))) [L60] COND TRUE ! ((64 * var_1_18) < var_1_18) [L61] var_1_23 = var_1_24 [L63] COND FALSE !(-8 <= var_1_10) [L68] COND FALSE !(128 < var_1_19) [L71] var_1_1 = var_1_19 [L74] COND FALSE !((var_1_1 * var_1_1) < var_1_18) [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L125] EXPR var_1_25 >> var_1_19 [L125] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L125-L126] return (((((((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16))))) && ((var_1_10 != var_1_25) ? (var_1_18 == ((unsigned long int) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : 1)) && (var_1_19 == ((signed short int) ((var_1_20 - var_1_21) - var_1_22)))) && ((! ((64 * var_1_18) < var_1_18)) ? (var_1_23 == ((unsigned char) var_1_24)) : 1)) && ((((var_1_26 - var_1_27) + var_1_19) > var_1_22) ? (var_1_25 == ((signed char) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : (var_1_25 == ((signed char) ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))))))))) && (((var_1_1 * var_1_1) < var_1_18) ? ((var_1_1 < var_1_13) ? (var_1_28 == ((unsigned long int) 64u)) : 1) : 1) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-2, var_1_10=-9, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=9, var_1_19=-3, var_1_1=-3, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=-10, var_1_26=127, var_1_27=1, var_1_28=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-2, var_1_10=-9, var_1_11=1073741803, var_1_12=1073741823, var_1_13=9, var_1_14=2, var_1_15=-11, var_1_16=-10, var_1_17=-12, var_1_18=9, var_1_19=-3, var_1_1=-3, var_1_20=16382, var_1_21=16263, var_1_22=122, var_1_23=0, var_1_24=0, var_1_25=-10, var_1_26=127, var_1_27=1, var_1_28=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 26, 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=48occurred 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, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 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 16:09:45,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/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_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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_6893c9fd-1472-451b-90be-fa637eaa668b/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 2296f8bb93bd4140c35d0b2800df8c874c564098ef0aa8a507c2732dcd35dc25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:09:47,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:09:47,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:09:47,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:09:47,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:09:47,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:09:47,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:09:47,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:09:47,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:09:47,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:09:47,548 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:09:47,548 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:09:47,549 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:09:47,549 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:09:47,550 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:09:47,550 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:09:47,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:09:47,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:09:47,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:09:47,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:09:47,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:09:47,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:09:47,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:09:47,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:09:47,555 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:09:47,556 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:09:47,556 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:09:47,557 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:09:47,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:09:47,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:09:47,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:09:47,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:09:47,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:09:47,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:09:47,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:09:47,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:09:47,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:09:47,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:09:47,560 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:09:47,560 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:09:47,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:09:47,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:09:47,561 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:09:47,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:09:47,562 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_6893c9fd-1472-451b-90be-fa637eaa668b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2296f8bb93bd4140c35d0b2800df8c874c564098ef0aa8a507c2732dcd35dc25 [2023-12-02 16:09:47,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:09:47,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:09:47,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:09:47,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:09:47,860 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:09:47,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i [2023-12-02 16:09:50,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:09:50,763 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:09:50,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i [2023-12-02 16:09:50,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/data/5c3dbf66d/e96fe99e3d8d4c61abc6e18c3ac21439/FLAGc25763e72 [2023-12-02 16:09:50,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/data/5c3dbf66d/e96fe99e3d8d4c61abc6e18c3ac21439 [2023-12-02 16:09:50,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:09:50,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:09:50,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:09:50,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:09:50,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:09:50,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:50" (1/1) ... [2023-12-02 16:09:50,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d880da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:50, skipping insertion in model container [2023-12-02 16:09:50,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:50" (1/1) ... [2023-12-02 16:09:50,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:09:50,947 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_6893c9fd-1472-451b-90be-fa637eaa668b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i[919,932] [2023-12-02 16:09:50,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:09:51,013 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:09:51,024 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_6893c9fd-1472-451b-90be-fa637eaa668b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i[919,932] [2023-12-02 16:09:51,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:09:51,071 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:09:51,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51 WrapperNode [2023-12-02 16:09:51,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:09:51,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:09:51,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:09:51,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:09:51,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,118 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-12-02 16:09:51,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:09:51,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:09:51,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:09:51,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:09:51,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:09:51,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:09:51,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:09:51,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:09:51,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (1/1) ... [2023-12-02 16:09:51,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:09:51,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:09:51,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:09:51,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:09:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:09:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:09:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:09:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:09:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:09:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:09:51,298 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:09:51,301 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:09:51,630 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:09:51,686 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:09:51,686 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:09:51,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:51 BoogieIcfgContainer [2023-12-02 16:09:51,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:09:51,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:09:51,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:09:51,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:09:51,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:09:50" (1/3) ... [2023-12-02 16:09:51,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5497b6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:51, skipping insertion in model container [2023-12-02 16:09:51,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:51" (2/3) ... [2023-12-02 16:09:51,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5497b6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:51, skipping insertion in model container [2023-12-02 16:09:51,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:51" (3/3) ... [2023-12-02 16:09:51,695 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-64.i [2023-12-02 16:09:51,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:09:51,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:09:51,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:09:51,755 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;@16497c65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:09:51,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:09:51,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 32 states have (on average 1.4375) internal successors, (46), 33 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 16:09:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 16:09:51,772 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:09:51,773 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:51,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:09:51,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:09:51,778 INFO L85 PathProgramCache]: Analyzing trace with hash -322246549, now seen corresponding path program 1 times [2023-12-02 16:09:51,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:09:51,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031282841] [2023-12-02 16:09:51,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:09:51,791 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 16:09:51,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:09:51,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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 16:09:51,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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 16:09:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:09:51,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:09:52,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:09:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2023-12-02 16:09:52,052 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:09:52,053 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:09:52,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031282841] [2023-12-02 16:09:52,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031282841] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:09:52,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:09:52,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:09:52,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342394459] [2023-12-02 16:09:52,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:09:52,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:09:52,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:09:52,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:09:52,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:09:52,094 INFO L87 Difference]: Start difference. First operand has 61 states, 32 states have (on average 1.4375) internal successors, (46), 33 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 16:09:52,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:09:52,159 INFO L93 Difference]: Finished difference Result 119 states and 220 transitions. [2023-12-02 16:09:52,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:09:52,165 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 155 [2023-12-02 16:09:52,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:09:52,174 INFO L225 Difference]: With dead ends: 119 [2023-12-02 16:09:52,174 INFO L226 Difference]: Without dead ends: 59 [2023-12-02 16:09:52,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 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 16:09:52,182 INFO L413 NwaCegarLoop]: 90 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, 90 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 16:09:52,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 16:09:52,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-02 16:09:52,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-02 16:09:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 31 states have internal predecessors, (41), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 16:09:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 93 transitions. [2023-12-02 16:09:52,232 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 93 transitions. Word has length 155 [2023-12-02 16:09:52,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:09:52,233 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 93 transitions. [2023-12-02 16:09:52,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 16:09:52,234 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2023-12-02 16:09:52,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 16:09:52,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:09:52,238 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:52,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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 16:09:52,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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 16:09:52,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:09:52,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:09:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1393979605, now seen corresponding path program 1 times [2023-12-02 16:09:52,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:09:52,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703952149] [2023-12-02 16:09:52,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:09:52,441 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 16:09:52,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:09:52,443 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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 16:09:52,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6893c9fd-1472-451b-90be-fa637eaa668b/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 16:09:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:09:53,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 16:09:53,329 INFO L285 TraceCheckSpWp]: Computing forward predicates...