./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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 cbb57c0f29593d448f6879a3daeafb96125f4bb18be9c5e7e39686d9980eafd0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:11:07,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:11:07,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:11:07,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:11:07,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:11:07,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:11:07,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:11:07,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:11:07,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:11:07,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:11:07,697 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:11:07,697 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:11:07,698 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:11:07,698 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:11:07,699 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:11:07,699 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:11:07,700 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:11:07,700 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:11:07,700 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:11:07,701 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:11:07,701 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:11:07,702 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:11:07,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:11:07,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:11:07,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:11:07,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:11:07,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:11:07,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:11:07,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:11:07,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:11:07,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:11:07,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:11:07,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:11:07,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:11:07,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:11:07,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:11:07,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:11:07,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:11:07,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:11:07,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:11:07,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:11:07,709 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:11:07,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:11:07,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:11:07,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:11:07,710 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:11:07,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:11:07,710 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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbb57c0f29593d448f6879a3daeafb96125f4bb18be9c5e7e39686d9980eafd0 [2023-12-02 16:11:07,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:11:07,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:11:07,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:11:07,924 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:11:07,924 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:11:07,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i [2023-12-02 16:11:10,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:11:10,887 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:11:10,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i [2023-12-02 16:11:10,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/data/0031b3d1b/53c38bd7d23e4e9ea14909925ff55b7f/FLAGdd3074e25 [2023-12-02 16:11:10,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/data/0031b3d1b/53c38bd7d23e4e9ea14909925ff55b7f [2023-12-02 16:11:10,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:11:10,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:11:10,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:11:10,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:11:10,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:11:10,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:11:10" (1/1) ... [2023-12-02 16:11:10,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c7193b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:10, skipping insertion in model container [2023-12-02 16:11:10,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:11:10" (1/1) ... [2023-12-02 16:11:10,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:11:11,093 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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i[917,930] [2023-12-02 16:11:11,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:11:11,155 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:11:11,164 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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i[917,930] [2023-12-02 16:11:11,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:11:11,202 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:11:11,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11 WrapperNode [2023-12-02 16:11:11,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:11:11,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:11:11,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:11:11,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:11:11,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,249 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-12-02 16:11:11,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:11:11,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:11:11,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:11:11,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:11:11,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:11:11,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:11:11,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:11:11,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:11:11,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2023-12-02 16:11:11,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:11:11,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:11:11,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:11:11,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:11:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:11:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:11:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:11:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:11:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:11:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:11:11,442 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:11:11,444 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:11:11,733 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:11:11,908 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:11:11,908 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:11:11,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:11:11 BoogieIcfgContainer [2023-12-02 16:11:11,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:11:11,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:11:11,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:11:11,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:11:11,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:11:10" (1/3) ... [2023-12-02 16:11:11,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254a8d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:11:11, skipping insertion in model container [2023-12-02 16:11:11,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (2/3) ... [2023-12-02 16:11:11,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254a8d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:11:11, skipping insertion in model container [2023-12-02 16:11:11,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:11:11" (3/3) ... [2023-12-02 16:11:11,919 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-25.i [2023-12-02 16:11:11,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:11:11,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:11:12,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:11:12,008 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;@36148ba8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:11:12,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:11:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 16:11:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 16:11:12,021 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:11:12,022 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:12,022 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:11:12,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:11:12,026 INFO L85 PathProgramCache]: Analyzing trace with hash -708147400, now seen corresponding path program 1 times [2023-12-02 16:11:12,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:11:12,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751986573] [2023-12-02 16:11:12,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:11:12,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:11:12,167 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:11:12,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937153658] [2023-12-02 16:11:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:11:12,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:11:12,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:11:12,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:11:12,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:11:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:11:12,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:11:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:11:12,502 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:11:12,504 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:11:12,505 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:11:12,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:11:12,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 16:11:12,714 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:11:12,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:11:12,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:11:12 BoogieIcfgContainer [2023-12-02 16:11:12,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:11:12,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:11:12,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:11:12,794 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:11:12,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:11:11" (3/4) ... [2023-12-02 16:11:12,796 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:11:12,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:11:12,798 INFO L158 Benchmark]: Toolchain (without parser) took 1883.24ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 130.1MB in the beginning and 133.6MB in the end (delta: -3.5MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-12-02 16:11:12,799 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:11:12,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.27ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 116.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 16:11:12,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.14ms. Allocated memory is still 169.9MB. Free memory was 116.0MB in the beginning and 112.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:11:12,800 INFO L158 Benchmark]: Boogie Preprocessor took 37.51ms. Allocated memory is still 169.9MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:11:12,801 INFO L158 Benchmark]: RCFGBuilder took 621.34ms. Allocated memory is still 169.9MB. Free memory was 110.5MB in the beginning and 138.0MB in the end (delta: -27.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-02 16:11:12,802 INFO L158 Benchmark]: TraceAbstraction took 880.03ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 137.3MB in the beginning and 134.7MB in the end (delta: 2.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-12-02 16:11:12,802 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 205.5MB. Free memory was 134.7MB in the beginning and 133.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:11:12,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.27ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 116.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.14ms. Allocated memory is still 169.9MB. Free memory was 116.0MB in the beginning and 112.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.51ms. Allocated memory is still 169.9MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.34ms. Allocated memory is still 169.9MB. Free memory was 110.5MB in the beginning and 138.0MB in the end (delta: -27.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 880.03ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 137.3MB in the beginning and 134.7MB in the end (delta: 2.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 205.5MB. Free memory was 134.7MB in the beginning and 133.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryArithmeticFLOAToperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 5; [L25] unsigned char var_1_4 = 5; [L26] signed short int var_1_5 = -256; [L27] unsigned char var_1_6 = 1; [L28] double var_1_7 = 256.25; [L29] double var_1_8 = 127.8; [L30] double var_1_9 = 100.5; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] float var_1_12 = 999.75; [L34] float var_1_13 = 64.5; [L35] float var_1_14 = 127.25; [L36] signed char var_1_15 = -32; [L37] float var_1_16 = 32.7; [L38] unsigned char var_1_17 = 16; [L39] unsigned char var_1_18 = 32; [L40] unsigned short int var_1_19 = 5; [L41] unsigned char var_1_20 = 0; [L42] signed long int var_1_21 = 100; [L43] signed short int var_1_22 = 50; [L44] double var_1_23 = 1000000.75; [L148] isInitial = 1 [L149] FCALL initially() [L150] COND TRUE 1 [L151] FCALL updateLastVariables() [L152] CALL updateVariables() [L103] var_1_2 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L105] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_3=5, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L106] var_1_3 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L108] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L109] var_1_4 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L111] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L112] var_1_6 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L114] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0, var_1_7=1025/4, var_1_8=639/5, var_1_9=201/2] [L115] var_1_7 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0, var_1_8=639/5, var_1_9=201/2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0, var_1_8=639/5, var_1_9=201/2] [L117] var_1_8 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0, var_1_9=201/2] [L119] var_1_9 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L121] var_1_11 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L123] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L124] var_1_13 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L126] var_1_14 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L128] var_1_15 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L130] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L131] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L132] var_1_16 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L134] var_1_18 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L136] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_20=0, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L137] var_1_20 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L139] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=2, var_1_17=16, var_1_18=0, var_1_19=5, var_1_1=-256, var_1_20=1, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_2=0, var_1_5=-256, var_1_6=0] [L152] RET updateVariables() [L153] CALL step() [L48] signed long int stepLocal_2 = 256; [L49] unsigned char stepLocal_1 = var_1_3 >= var_1_4; [L50] unsigned char stepLocal_0 = var_1_4; [L51] COND FALSE !(var_1_2 && stepLocal_1) [L56] COND TRUE stepLocal_0 >= var_1_3 [L57] var_1_1 = var_1_3 [L62] unsigned char stepLocal_3 = var_1_2; [L63] COND FALSE !(stepLocal_3 && var_1_6) [L66] COND TRUE (var_1_7 - var_1_8) > var_1_9 [L67] var_1_5 = var_1_3 [L72] var_1_10 = (var_1_6 && var_1_11) [L73] COND FALSE !(! (var_1_9 <= var_1_7)) [L76] COND TRUE (((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) / var_1_15) < var_1_4 [L77] var_1_12 = var_1_13 [L82] COND FALSE !(var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) [L87] unsigned char stepLocal_5 = var_1_18; [L88] unsigned char stepLocal_4 = var_1_20 || var_1_10; [L89] COND FALSE !(var_1_4 < stepLocal_5) [L92] COND TRUE stepLocal_4 || var_1_6 [L93] var_1_19 = var_1_3 [L98] var_1_21 = var_1_4 [L99] var_1_22 = var_1_17 [L100] var_1_23 = var_1_14 [L153] RET step() [L154] CALL, EXPR property() [L144-L145] return (((((((((var_1_2 && (var_1_3 >= var_1_4)) ? ((256 != var_1_3) ? (var_1_1 == ((signed long int) (var_1_4 + var_1_3))) : 1) : ((var_1_4 >= var_1_3) ? (var_1_1 == ((signed long int) var_1_3)) : (var_1_1 == ((signed long int) var_1_4)))) && ((var_1_2 && var_1_6) ? (var_1_5 == ((signed short int) ((((var_1_4) < (-100)) ? (var_1_4) : (-100))))) : (((var_1_7 - var_1_8) > var_1_9) ? (var_1_5 == ((signed short int) var_1_3)) : (var_1_5 == ((signed short int) var_1_4))))) && (var_1_10 == ((unsigned char) (var_1_6 && var_1_11)))) && ((! (var_1_9 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) / var_1_15) < var_1_4) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_2 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_4 < var_1_18) ? (var_1_19 == ((unsigned short int) var_1_3)) : (((var_1_20 || var_1_10) || var_1_6) ? (var_1_19 == ((unsigned short int) var_1_3)) : (var_1_19 == ((unsigned short int) var_1_4))))) && (var_1_21 == ((signed long int) var_1_4))) && (var_1_22 == ((signed short int) var_1_17))) && (var_1_23 == ((double) var_1_14)) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=2, var_1_17=16, var_1_18=0, var_1_19=255, var_1_1=255, var_1_20=1, var_1_21=255, var_1_22=16, var_1_23=3, var_1_2=0, var_1_3=255, var_1_4=255, var_1_5=255, var_1_6=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=2, var_1_17=16, var_1_18=0, var_1_19=255, var_1_1=255, var_1_20=1, var_1_21=255, var_1_22=16, var_1_23=3, var_1_2=0, var_1_3=255, var_1_4=255, var_1_5=255, var_1_6=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 23, 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=46occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 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 16:11:12,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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 cbb57c0f29593d448f6879a3daeafb96125f4bb18be9c5e7e39686d9980eafd0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:11:14,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:11:14,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:11:14,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:11:14,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:11:14,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:11:14,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:11:14,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:11:14,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:11:14,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:11:14,822 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:11:14,822 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:11:14,823 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:11:14,823 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:11:14,824 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:11:14,824 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:11:14,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:11:14,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:11:14,826 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:11:14,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:11:14,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:11:14,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:11:14,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:11:14,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:11:14,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:11:14,830 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:11:14,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:11:14,831 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:11:14,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:11:14,831 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:11:14,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:11:14,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:11:14,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:11:14,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:11:14,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:11:14,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:11:14,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:11:14,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:11:14,834 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:11:14,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:11:14,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:11:14,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:11:14,835 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:11:14,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:11:14,835 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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbb57c0f29593d448f6879a3daeafb96125f4bb18be9c5e7e39686d9980eafd0 [2023-12-02 16:11:15,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:11:15,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:11:15,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:11:15,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:11:15,136 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:11:15,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i [2023-12-02 16:11:17,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:11:18,145 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:11:18,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i [2023-12-02 16:11:18,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/data/90a8baa17/f7bbc1ba38704bb4ad3d853e92dc8f98/FLAGec95dc9bf [2023-12-02 16:11:18,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/data/90a8baa17/f7bbc1ba38704bb4ad3d853e92dc8f98 [2023-12-02 16:11:18,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:11:18,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:11:18,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:11:18,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:11:18,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:11:18,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34862de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18, skipping insertion in model container [2023-12-02 16:11:18,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:11:18,362 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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i[917,930] [2023-12-02 16:11:18,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:11:18,427 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:11:18,441 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_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-25.i[917,930] [2023-12-02 16:11:18,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:11:18,486 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:11:18,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18 WrapperNode [2023-12-02 16:11:18,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:11:18,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:11:18,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:11:18,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:11:18,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,537 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-12-02 16:11:18,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:11:18,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:11:18,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:11:18,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:11:18,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:11:18,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:11:18,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:11:18,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:11:18,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (1/1) ... [2023-12-02 16:11:18,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:11:18,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:11:18,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:11:18,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:11:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:11:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:11:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:11:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:11:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:11:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:11:18,734 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:11:18,737 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:11:20,212 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:11:20,282 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:11:20,282 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:11:20,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:11:20 BoogieIcfgContainer [2023-12-02 16:11:20,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:11:20,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:11:20,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:11:20,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:11:20,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:11:18" (1/3) ... [2023-12-02 16:11:20,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74516245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:11:20, skipping insertion in model container [2023-12-02 16:11:20,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:18" (2/3) ... [2023-12-02 16:11:20,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74516245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:11:20, skipping insertion in model container [2023-12-02 16:11:20,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:11:20" (3/3) ... [2023-12-02 16:11:20,290 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-25.i [2023-12-02 16:11:20,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:11:20,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:11:20,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:11:20,350 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;@5fde697e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:11:20,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:11:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 16:11:20,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 16:11:20,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:11:20,370 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:20,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:11:20,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:11:20,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1534348085, now seen corresponding path program 1 times [2023-12-02 16:11:20,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:11:20,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093617825] [2023-12-02 16:11:20,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:11:20,393 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 16:11:20,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:11:20,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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 16:11:20,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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 16:11:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:11:20,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:11:20,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:11:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-12-02 16:11:20,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:11:20,769 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:11:20,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093617825] [2023-12-02 16:11:20,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093617825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:11:20,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:11:20,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:11:20,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908879393] [2023-12-02 16:11:20,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:11:20,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:11:20,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:11:20,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:11:20,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:11:20,808 INFO L87 Difference]: Start difference. First operand has 64 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 16:11:21,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:11:21,809 INFO L93 Difference]: Finished difference Result 125 states and 221 transitions. [2023-12-02 16:11:21,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:11:21,827 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2023-12-02 16:11:21,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:11:21,834 INFO L225 Difference]: With dead ends: 125 [2023-12-02 16:11:21,834 INFO L226 Difference]: Without dead ends: 62 [2023-12-02 16:11:21,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 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 16:11:21,840 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:11:21,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 16:11:21,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-12-02 16:11:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-12-02 16:11:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-02 16:11:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 95 transitions. [2023-12-02 16:11:21,884 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 95 transitions. Word has length 143 [2023-12-02 16:11:21,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:11:21,885 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 95 transitions. [2023-12-02 16:11:21,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 16:11:21,886 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2023-12-02 16:11:21,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 16:11:21,889 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:11:21,889 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:21,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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 16:11:22,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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 16:11:22,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:11:22,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:11:22,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1606972873, now seen corresponding path program 1 times [2023-12-02 16:11:22,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:11:22,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388776931] [2023-12-02 16:11:22,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:11:22,093 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 16:11:22,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:11:22,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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 16:11:22,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02b810-6850-4a7d-a1ed-07872e7b8cc5/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 16:11:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:11:22,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 16:11:22,482 INFO L285 TraceCheckSpWp]: Computing forward predicates...