./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 758300177d1b355ef883590ed584633de094bad912a987cbd68951ea58e51ff9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:08:49,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:08:49,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:08:49,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:08:49,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:08:50,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:08:50,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:08:50,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:08:50,005 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:08:50,005 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:08:50,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:08:50,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:08:50,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:08:50,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:08:50,008 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:08:50,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:08:50,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:08:50,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:08:50,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:08:50,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:08:50,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:08:50,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:08:50,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:08:50,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:08:50,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:08:50,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:08:50,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:08:50,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:08:50,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:08:50,015 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:08:50,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:08:50,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:50,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:08:50,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:08:50,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:08:50,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:08:50,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:08:50,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:08:50,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:08:50,019 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:08:50,019 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:08:50,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:08:50,019 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 758300177d1b355ef883590ed584633de094bad912a987cbd68951ea58e51ff9 [2023-11-21 22:08:50,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:08:50,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:08:50,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:08:50,356 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:08:50,356 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:08:50,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i [2023-11-21 22:08:53,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:08:53,822 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:08:53,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i [2023-11-21 22:08:53,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/data/b0d5dd7cc/c3984fa0fd6e459abecf4a64e02d7f57/FLAGcdb462955 [2023-11-21 22:08:53,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/data/b0d5dd7cc/c3984fa0fd6e459abecf4a64e02d7f57 [2023-11-21 22:08:53,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:08:53,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:08:53,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:53,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:08:53,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:08:53,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b5fd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:53, skipping insertion in model container [2023-11-21 22:08:53,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:53" (1/1) ... [2023-11-21 22:08:53,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:08:54,149 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_0398f59c-6caf-41c1-8cc1-221d1a050e44/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i[919,932] [2023-11-21 22:08:54,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:54,249 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:08:54,264 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_0398f59c-6caf-41c1-8cc1-221d1a050e44/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i[919,932] [2023-11-21 22:08:54,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:54,327 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:08:54,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54 WrapperNode [2023-11-21 22:08:54,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:54,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:54,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:08:54,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:08:54,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,407 INFO L138 Inliner]: procedures = 31, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 152 [2023-11-21 22:08:54,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:54,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:08:54,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:08:54,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:08:54,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,430 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,446 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:08:54,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:08:54,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:08:54,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:08:54,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:08:54,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (1/1) ... [2023-11-21 22:08:54,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:54,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:54,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:08:54,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:08:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:08:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:08:54,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:08:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:08:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:08:54,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:08:54,767 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:08:54,770 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:08:55,345 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:08:55,716 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:08:55,717 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:08:55,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:55 BoogieIcfgContainer [2023-11-21 22:08:55,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:08:55,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:08:55,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:08:55,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:08:55,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:08:53" (1/3) ... [2023-11-21 22:08:55,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cad40f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:55, skipping insertion in model container [2023-11-21 22:08:55,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:54" (2/3) ... [2023-11-21 22:08:55,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cad40f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:55, skipping insertion in model container [2023-11-21 22:08:55,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:55" (3/3) ... [2023-11-21 22:08:55,738 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-6.i [2023-11-21 22:08:55,757 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:08:55,757 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:08:55,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:08:55,823 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=PETRI_NET, 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;@49f79b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:08:55,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:08:55,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:08:55,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 22:08:55,841 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:08:55,842 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:55,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:08:55,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:55,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1878686730, now seen corresponding path program 1 times [2023-11-21 22:08:55,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:55,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312934592] [2023-11-21 22:08:55,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:55,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:56,093 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:08:56,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829089902] [2023-11-21 22:08:56,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:56,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:08:56,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:56,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:08:56,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:08:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:08:56,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:08:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:08:56,515 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:08:56,518 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:08:56,520 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:08:56,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:08:56,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:08:56,745 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:08:56,750 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:08:56,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:08:56 BoogieIcfgContainer [2023-11-21 22:08:56,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:08:56,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:08:56,853 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:08:56,853 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:08:56,854 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:55" (3/4) ... [2023-11-21 22:08:56,856 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:08:56,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:08:56,860 INFO L158 Benchmark]: Toolchain (without parser) took 2995.81ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 80.2MB in the beginning and 104.0MB in the end (delta: -23.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,861 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:08:56,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.04ms. Allocated memory is still 125.8MB. Free memory was 80.0MB in the beginning and 66.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.16ms. Allocated memory is still 125.8MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,863 INFO L158 Benchmark]: Boogie Preprocessor took 67.20ms. Allocated memory is still 125.8MB. Free memory was 63.4MB in the beginning and 59.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,864 INFO L158 Benchmark]: RCFGBuilder took 1243.48ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 59.8MB in the beginning and 142.6MB in the end (delta: -82.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,865 INFO L158 Benchmark]: TraceAbstraction took 1124.67ms. Allocated memory is still 188.7MB. Free memory was 141.7MB in the beginning and 104.0MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 22:08:56,866 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 188.7MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:08:56,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.04ms. Allocated memory is still 125.8MB. Free memory was 80.0MB in the beginning and 66.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.16ms. Allocated memory is still 125.8MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.20ms. Allocated memory is still 125.8MB. Free memory was 63.4MB in the beginning and 59.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1243.48ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 59.8MB in the beginning and 142.6MB in the end (delta: -82.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1124.67ms. Allocated memory is still 188.7MB. Free memory was 141.7MB in the beginning and 104.0MB in the end (delta: 37.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 188.7MB. Free memory is still 104.0MB. 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 someBinaryFLOATComparisonOperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryArithmeticFLOAToperation at line 59. Possible FailurePath: [L26] unsigned char isInitial = 0; [L27] double var_1_1 = 100.25; [L28] unsigned char var_1_2 = 0; [L29] unsigned char var_1_3 = 8; [L30] unsigned char var_1_4 = 0; [L31] double var_1_5 = 1.9; [L32] double var_1_6 = 7.5; [L33] double var_1_7 = 64.25; [L34] signed long int var_1_8 = 2; [L35] signed long int var_1_9 = 1000000000; [L36] signed long int var_1_10 = 1000000000; [L37] signed long int var_1_11 = 1957998270; [L38] float var_1_12 = 50.25; [L39] float var_1_13 = 9.8; [L40] float var_1_14 = 25.5; [L41] float var_1_15 = 3.5; [L42] signed long int var_1_16 = -500; [L43] unsigned char var_1_17 = 1; [L44] unsigned char var_1_18 = 1; [L45] unsigned char var_1_19 = 0; [L138] isInitial = 1 [L139] FCALL initially() [L140] COND TRUE 1 [L141] FCALL updateLastVariables() [L142] CALL updateVariables() [L99] var_1_2 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L101] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L102] var_1_3 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L104] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L105] var_1_4 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L107] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L108] var_1_5 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L110] var_1_6 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L112] var_1_7 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1000000000] [L114] var_1_9 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_9 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_9 >= 536870911) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L116] CALL assume_abort_if_not(var_1_9 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_9 <= 1073741823) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L117] var_1_10 = __VERIFIER_nondet_long() [L118] CALL assume_abort_if_not(var_1_10 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=1073741823, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_10 >= 536870911) VAL [isInitial=1, var_1_10=1073741823, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L119] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1073741823, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, var_1_10=1073741823, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L120] var_1_11 = __VERIFIER_nondet_long() [L121] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L122] CALL assume_abort_if_not(var_1_11 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_11 <= 2147483646) VAL [isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L123] var_1_14 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L125] var_1_15 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=5, var_1_15=6, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=5, var_1_15=6, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L127] var_1_18 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=5, var_1_15=6, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=5, var_1_15=6, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L129] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=5, var_1_15=6, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=5, var_1_15=6, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=2, var_1_9=1073741822] [L142] RET updateVariables() [L143] CALL step() [L82] CALL functionized0(var_1_7, 4.125) [L47] COND FALSE !(\read(var_1_2)) [L54] var_1_1 = var_1_5 [L82] RET functionized0(var_1_7, 4.125) [L83] var_1_8 = (((var_1_9 + var_1_10) - var_1_3) - (var_1_11 - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) [L84] COND TRUE ((((var_1_3) < (var_1_9)) ? (var_1_3) : (var_1_9))) >= (var_1_4 - var_1_11) [L85] var_1_12 = var_1_7 [L87] CALL functionized1(var_1_8, var_1_15, var_1_14) [L58] COND TRUE functionized1_localFunctionVar0 < var_1_11 [L59] var_1_13 = ((7.3868261718112563E18f - (functionized1_localFunctionVar2 + functionized1_localFunctionVar1)) - 5.4f) [L87] RET functionized1(var_1_8, var_1_15, var_1_14) [L88] CALL functionized2(var_1_6, var_1_5, var_1_13) [L65] COND TRUE (((((- var_1_15)) > ((functionized2_localFunctionVar2 * functionized2_localFunctionVar0))) ? ((- var_1_15)) : ((functionized2_localFunctionVar2 * functionized2_localFunctionVar0)))) < functionized2_localFunctionVar1 [L66] COND TRUE var_1_11 != ((((var_1_8) < (var_1_10)) ? (var_1_8) : (var_1_10))) [L67] COND FALSE !(\read(var_1_2)) [L88] RET functionized2(var_1_6, var_1_5, var_1_13) [L89] CALL functionized3(var_1_16, var_1_8, var_1_18, var_1_9) [L74] var_1_17 = (((var_1_3 * functionized3_localFunctionVar3) >= ((((functionized3_localFunctionVar0) > (functionized3_localFunctionVar1)) ? (functionized3_localFunctionVar0) : (functionized3_localFunctionVar1)))) || functionized3_localFunctionVar2) [L89] RET functionized3(var_1_16, var_1_8, var_1_18, var_1_9) [L90] COND TRUE \read(var_1_17) [L91] CALL, EXPR functionized4() [L77] return (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (var_1_13 * 63.375)); [L91] RET, EXPR functionized4() [L91] COND FALSE !(var_1_7 > functionized4()) [L143] RET step() [L144] CALL, EXPR property() [L134-L135] return ((((((var_1_2 ? ((var_1_3 >= var_1_4) ? (var_1_1 == ((double) (var_1_5 + var_1_6))) : (var_1_1 == ((double) (4.125 - var_1_7)))) : (var_1_1 == ((double) var_1_5))) && (var_1_8 == ((signed long int) (((var_1_9 + var_1_10) - var_1_3) - (var_1_11 - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) && ((((((var_1_3) < (var_1_9)) ? (var_1_3) : (var_1_9))) >= (var_1_4 - var_1_11)) ? (var_1_12 == ((float) var_1_7)) : 1)) && ((var_1_8 < var_1_11) ? (var_1_13 == ((float) ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f))) : (var_1_13 == ((float) (var_1_15 + ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))))))) && (((((((- var_1_15)) > ((var_1_13 * var_1_6))) ? ((- var_1_15)) : ((var_1_13 * var_1_6)))) < var_1_5) ? ((var_1_11 != ((((var_1_8) < (var_1_10)) ? (var_1_8) : (var_1_10)))) ? (var_1_2 ? (var_1_16 == ((signed long int) var_1_3)) : 1) : 1) : 1)) && (var_1_17 == ((unsigned char) (((var_1_3 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18)))) && (var_1_17 ? ((var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (var_1_13 * 63.375))) ? (var_1_19 == ((unsigned char) var_1_18)) : 1) : (var_1_19 == ((unsigned char) var_1_18))) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=4, var_1_14=5, var_1_15=6, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=1073741822, var_1_9=1073741822] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1073741823, var_1_11=1073741823, var_1_12=4, var_1_14=5, var_1_15=6, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=2, var_1_6=3, var_1_7=4, var_1_8=1073741822, var_1_9=1073741822] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 19, 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=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:08:56,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 758300177d1b355ef883590ed584633de094bad912a987cbd68951ea58e51ff9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:09:00,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:09:00,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:09:00,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:09:00,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:09:00,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:09:00,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:09:00,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:09:00,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:09:00,360 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:09:00,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:09:00,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:09:00,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:09:00,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:09:00,364 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:09:00,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:09:00,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:09:00,366 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:09:00,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:09:00,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:09:00,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:09:00,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:09:00,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:09:00,369 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:09:00,370 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:09:00,370 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:09:00,371 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:09:00,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:09:00,372 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:09:00,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:09:00,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:09:00,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:09:00,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:09:00,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:09:00,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:09:00,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:09:00,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:09:00,378 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:09:00,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:09:00,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:09:00,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:09:00,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:09:00,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:09:00,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:09:00,381 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:09:00,381 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 758300177d1b355ef883590ed584633de094bad912a987cbd68951ea58e51ff9 [2023-11-21 22:09:00,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:09:00,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:09:00,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:09:00,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:09:00,934 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:09:00,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i [2023-11-21 22:09:04,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:09:04,604 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:09:04,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i [2023-11-21 22:09:04,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/data/8292d19c6/e620014451c843e5be8d4235e403f3d7/FLAGa00554a00 [2023-11-21 22:09:04,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/data/8292d19c6/e620014451c843e5be8d4235e403f3d7 [2023-11-21 22:09:04,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:09:04,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:09:04,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:04,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:09:04,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:09:04,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:04" (1/1) ... [2023-11-21 22:09:04,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b3e42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:04, skipping insertion in model container [2023-11-21 22:09:04,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:04" (1/1) ... [2023-11-21 22:09:04,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:09:04,908 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_0398f59c-6caf-41c1-8cc1-221d1a050e44/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i[919,932] [2023-11-21 22:09:05,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:05,043 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:09:05,065 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_0398f59c-6caf-41c1-8cc1-221d1a050e44/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_functionizing_file-6.i[919,932] [2023-11-21 22:09:05,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:05,161 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:09:05,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05 WrapperNode [2023-11-21 22:09:05,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:05,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:05,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:09:05,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:09:05,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,256 INFO L138 Inliner]: procedures = 32, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 149 [2023-11-21 22:09:05,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:05,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:09:05,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:09:05,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:09:05,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,290 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,305 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:09:05,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:09:05,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:09:05,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:09:05,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:09:05,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (1/1) ... [2023-11-21 22:09:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:09:05,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:05,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:05,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:09:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:09:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:09:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:09:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:09:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:09:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:09:05,638 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:09:05,644 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:09:16,721 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:09:16,972 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:09:16,972 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:09:16,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:16 BoogieIcfgContainer [2023-11-21 22:09:16,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:09:16,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:09:16,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:09:16,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:09:16,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:09:04" (1/3) ... [2023-11-21 22:09:16,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1c09d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:16, skipping insertion in model container [2023-11-21 22:09:16,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:05" (2/3) ... [2023-11-21 22:09:16,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1c09d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:16, skipping insertion in model container [2023-11-21 22:09:16,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:16" (3/3) ... [2023-11-21 22:09:16,997 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-6.i [2023-11-21 22:09:17,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:09:17,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:09:17,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:09:17,119 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=PETRI_NET, 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;@17508884, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:09:17,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:09:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:09:17,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 22:09:17,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:09:17,139 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:09:17,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:09:17,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:17,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1878686730, now seen corresponding path program 1 times [2023-11-21 22:09:17,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:09:17,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964265948] [2023-11-21 22:09:17,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:17,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:09:17,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:09:17,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:09:17,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0398f59c-6caf-41c1-8cc1-221d1a050e44/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:09:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:19,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-21 22:09:19,734 INFO L285 TraceCheckSpWp]: Computing forward predicates...