./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX --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 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:44:29,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:44:29,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:44:29,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:44:29,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:44:29,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:44:29,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:44:29,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:44:29,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:44:29,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:44:29,498 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:44:29,498 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:44:29,499 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:44:29,500 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:44:29,500 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:44:29,501 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:44:29,501 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:44:29,502 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:44:29,503 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:44:29,503 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:44:29,504 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:44:29,505 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:44:29,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:44:29,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:44:29,507 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:44:29,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:44:29,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:44:29,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:44:29,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:44:29,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:44:29,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:44:29,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:44:29,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:44:29,512 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:44:29,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:44:29,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:44:29,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:29,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:44:29,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:44:29,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:44:29,516 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:44:29,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:44:29,517 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:44:29,517 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:44:29,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:44:29,518 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_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 [2023-11-12 00:44:29,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:44:29,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:44:29,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:44:29,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:44:29,812 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:44:29,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2023-11-12 00:44:32,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:44:33,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:44:33,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2023-11-12 00:44:33,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/data/2154edb06/300d9ae49b654658aa9d4decba2a68dd/FLAG8aa2601fa [2023-11-12 00:44:33,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/data/2154edb06/300d9ae49b654658aa9d4decba2a68dd [2023-11-12 00:44:33,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:44:33,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:44:33,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:33,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:44:33,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:44:33,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361e79bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33, skipping insertion in model container [2023-11-12 00:44:33,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:44:33,509 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_0a42954b-649f-46ef-be2e-f196bef91644/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2023-11-12 00:44:33,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:33,580 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:44:33,592 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_0a42954b-649f-46ef-be2e-f196bef91644/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2023-11-12 00:44:33,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:33,646 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:44:33,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33 WrapperNode [2023-11-12 00:44:33,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:33,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:33,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:44:33,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:44:33,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,725 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-11-12 00:44:33,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:33,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:44:33,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:44:33,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:44:33,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:44:33,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:44:33,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:44:33,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:44:33,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (1/1) ... [2023-11-12 00:44:33,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:33,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:33,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:44:33,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:44:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:44:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:44:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:44:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:44:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:44:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:44:33,989 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:44:33,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:44:34,457 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:44:34,743 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:44:34,744 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:44:34,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:34 BoogieIcfgContainer [2023-11-12 00:44:34,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:44:34,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:44:34,752 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:44:34,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:44:34,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:44:33" (1/3) ... [2023-11-12 00:44:34,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7458611c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:34, skipping insertion in model container [2023-11-12 00:44:34,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:33" (2/3) ... [2023-11-12 00:44:34,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7458611c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:34, skipping insertion in model container [2023-11-12 00:44:34,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:34" (3/3) ... [2023-11-12 00:44:34,762 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-66.i [2023-11-12 00:44:34,781 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:44:34,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:44:34,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:44:34,865 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;@55e64a9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:44:34,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:44:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:44:34,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-12 00:44:34,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:34,887 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:34,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:44:34,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:34,897 INFO L85 PathProgramCache]: Analyzing trace with hash -244024670, now seen corresponding path program 1 times [2023-11-12 00:44:34,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:34,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922782927] [2023-11-12 00:44:34,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:34,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:35,128 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:44:35,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2112587881] [2023-11-12 00:44:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:35,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:35,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:35,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:44:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:44:35,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:44:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:44:35,717 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:44:35,720 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:44:35,721 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:44:35,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:44:35,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:44:35,953 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:44:35,957 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:44:36,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:44:36 BoogieIcfgContainer [2023-11-12 00:44:36,088 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:44:36,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:44:36,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:44:36,089 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:44:36,090 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:34" (3/4) ... [2023-11-12 00:44:36,092 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:44:36,093 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:44:36,094 INFO L158 Benchmark]: Toolchain (without parser) took 2835.44ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 95.4MB in the beginning and 116.7MB in the end (delta: -21.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-12 00:44:36,095 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 98.4MB in the end (delta: 85.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:44:36,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.14ms. Allocated memory is still 125.8MB. Free memory was 95.1MB in the beginning and 81.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:44:36,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.89ms. Allocated memory is still 125.8MB. Free memory was 81.3MB in the beginning and 78.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:44:36,097 INFO L158 Benchmark]: Boogie Preprocessor took 53.51ms. Allocated memory is still 125.8MB. Free memory was 78.1MB in the beginning and 76.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:44:36,097 INFO L158 Benchmark]: RCFGBuilder took 962.36ms. Allocated memory is still 125.8MB. Free memory was 76.3MB in the beginning and 83.8MB in the end (delta: -7.5MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-12 00:44:36,098 INFO L158 Benchmark]: TraceAbstraction took 1336.04ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 83.1MB in the beginning and 116.7MB in the end (delta: -33.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-12 00:44:36,099 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 155.2MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:44:36,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 98.4MB in the end (delta: 85.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.14ms. Allocated memory is still 125.8MB. Free memory was 95.1MB in the beginning and 81.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.89ms. Allocated memory is still 125.8MB. Free memory was 81.3MB in the beginning and 78.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.51ms. Allocated memory is still 125.8MB. Free memory was 78.1MB in the beginning and 76.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 962.36ms. Allocated memory is still 125.8MB. Free memory was 76.3MB in the beginning and 83.8MB in the end (delta: -7.5MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1336.04ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 83.1MB in the beginning and 116.7MB in the end (delta: -33.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 155.2MB. Free memory is still 116.7MB. 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 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_3 = 8; [L25] signed char var_1_4 = 10; [L26] double var_1_5 = 16.5; [L27] signed char var_1_6 = 64; [L28] signed char var_1_7 = 2; [L29] unsigned short int var_1_8 = 256; [L30] unsigned char var_1_9 = 0; [L31] unsigned short int var_1_10 = 63583; [L32] unsigned short int var_1_11 = 33789; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] signed long int var_1_15 = 8; [L37] signed short int var_1_16 = -16; [L38] unsigned short int var_1_17 = 32; [L39] signed short int var_1_18 = 16; [L40] signed short int var_1_19 = 25; [L41] signed short int var_1_20 = 25; [L42] signed short int var_1_21 = 50; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] FCALL updateLastVariables() [L137] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=8, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L89] var_1_3 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L92] var_1_4 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256, var_1_9=0] [L95] var_1_6 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=2, var_1_8=256, var_1_9=0] [L98] var_1_7 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=0] [L101] var_1_9 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L104] var_1_10 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L107] var_1_11 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L110] var_1_13 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L113] var_1_14 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=32, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L116] var_1_17 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_17 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_17 <= 65535) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L119] var_1_20 = __VERIFIER_nondet_short() [L120] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=254, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=254, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=254, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=254, var_1_21=50, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L122] var_1_21 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=254, var_1_21=254, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=254, var_1_21=254, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=254, var_1_21=254, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=254, var_1_21=254, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/2, var_1_6=127, var_1_7=127, var_1_8=256, var_1_9=1] [L137] RET updateVariables() [L138] CALL step() [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = (var_1_3 + var_1_4) [L49] COND TRUE var_1_4 >= (var_1_6 - var_1_7) [L50] COND TRUE \read(var_1_2) [L51] var_1_5 = 8.25 [L54] COND FALSE !(-25 == var_1_6) [L59] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) [L61] COND TRUE var_1_8 >= var_1_7 [L62] var_1_12 = (! var_1_14) [L64] COND FALSE !(-64 > (var_1_6 + var_1_1)) [L67] COND FALSE !(! var_1_12) [L73] COND FALSE !(var_1_8 > (((((var_1_11) > (var_1_17)) ? (var_1_11) : (var_1_17))) + (var_1_15 / var_1_10))) [L76] COND TRUE var_1_1 < var_1_6 [L77] var_1_18 = (var_1_6 - var_1_7) [L81] COND TRUE \read(var_1_13) [L82] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) [L138] RET step() [L139] CALL, EXPR property() [L129-L130] return (((((((var_1_2 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_2 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((var_1_2 && var_1_9) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_1)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_8 > (((((var_1_11) > (var_1_17)) ? (var_1_11) : (var_1_17))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_13 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=0, var_1_19=0, var_1_1=126, var_1_20=254, var_1_21=254, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=49150, var_1_11=65534, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_17=65533, var_1_18=0, var_1_19=0, var_1_1=126, var_1_20=254, var_1_21=254, var_1_2=1, var_1_3=63, var_1_4=63, var_1_5=33/4, var_1_6=127, var_1_7=127, var_1_8=65534, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:44:36,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX --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 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:44:38,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:44:38,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:44:38,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:44:38,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:44:39,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:44:39,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:44:39,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:44:39,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:44:39,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:44:39,023 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:44:39,023 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:44:39,024 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:44:39,026 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:44:39,026 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:44:39,027 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:44:39,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:44:39,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:44:39,029 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:44:39,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:44:39,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:44:39,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:44:39,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:44:39,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:44:39,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:44:39,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:44:39,033 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:44:39,034 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:44:39,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:44:39,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:44:39,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:44:39,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:44:39,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:44:39,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:39,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:44:39,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:44:39,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:44:39,039 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:44:39,039 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:44:39,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:44:39,040 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:44:39,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:44:39,041 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_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 836ad92e304b81ed0820392d23ad5f20819734bbfce0803ec8d4151f7117c333 [2023-11-12 00:44:39,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:44:39,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:44:39,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:44:39,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:44:39,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:44:39,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2023-11-12 00:44:43,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:44:43,285 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:44:43,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i [2023-11-12 00:44:43,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/data/b83d62431/93442da5399c47d08a5c33f5d613620e/FLAG3394c6f1f [2023-11-12 00:44:43,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/data/b83d62431/93442da5399c47d08a5c33f5d613620e [2023-11-12 00:44:43,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:44:43,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:44:43,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:43,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:44:43,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:44:43,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d873045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43, skipping insertion in model container [2023-11-12 00:44:43,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,356 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:44:43,504 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_0a42954b-649f-46ef-be2e-f196bef91644/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2023-11-12 00:44:43,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:43,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:44:43,603 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_0a42954b-649f-46ef-be2e-f196bef91644/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-66.i[913,926] [2023-11-12 00:44:43,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:43,651 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:44:43,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43 WrapperNode [2023-11-12 00:44:43,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:43,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:43,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:44:43,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:44:43,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,725 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-12 00:44:43,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:43,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:44:43,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:44:43,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:44:43,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:44:43,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:44:43,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:44:43,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:44:43,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (1/1) ... [2023-11-12 00:44:43,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:43,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:44:43,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:44:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:44:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:44:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:44:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:44:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:44:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:44:44,044 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:44:44,046 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:44:44,506 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:44:44,515 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:44:44,516 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:44:44,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:44 BoogieIcfgContainer [2023-11-12 00:44:44,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:44:44,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:44:44,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:44:44,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:44:44,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:44:43" (1/3) ... [2023-11-12 00:44:44,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf6be2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:44, skipping insertion in model container [2023-11-12 00:44:44,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:43" (2/3) ... [2023-11-12 00:44:44,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf6be2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:44, skipping insertion in model container [2023-11-12 00:44:44,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:44" (3/3) ... [2023-11-12 00:44:44,529 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-66.i [2023-11-12 00:44:44,551 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:44:44,551 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:44:44,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:44:44,605 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;@3bec95c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:44:44,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:44:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:44:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:44:44,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:44,634 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:44,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:44:44,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:44,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1412883533, now seen corresponding path program 1 times [2023-11-12 00:44:44,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:44:44,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309351867] [2023-11-12 00:44:44,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:44,665 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 [2023-11-12 00:44:44,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:44:44,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:44:44,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:44:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:44,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:44:44,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-12 00:44:45,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:45,067 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:44:45,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309351867] [2023-11-12 00:44:45,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309351867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:45,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:44:45,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:44:45,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321908755] [2023-11-12 00:44:45,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:45,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:44:45,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:44:45,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:44:45,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:44:45,137 INFO L87 Difference]: Start difference. First operand has 70 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:44:45,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:45,177 INFO L93 Difference]: Finished difference Result 133 states and 240 transitions. [2023-11-12 00:44:45,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:44:45,179 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160 [2023-11-12 00:44:45,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:45,188 INFO L225 Difference]: With dead ends: 133 [2023-11-12 00:44:45,188 INFO L226 Difference]: Without dead ends: 66 [2023-11-12 00:44:45,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:44:45,196 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:45,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:45,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-12 00:44:45,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-12 00:44:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:44:45,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 103 transitions. [2023-11-12 00:44:45,260 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 103 transitions. Word has length 160 [2023-11-12 00:44:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:45,261 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 103 transitions. [2023-11-12 00:44:45,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:44:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2023-11-12 00:44:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:44:45,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:45,278 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:45,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:44:45,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:44:45,500 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:44:45,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:45,501 INFO L85 PathProgramCache]: Analyzing trace with hash -2025399539, now seen corresponding path program 1 times [2023-11-12 00:44:45,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:44:45,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761389500] [2023-11-12 00:44:45,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:45,503 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 [2023-11-12 00:44:45,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:44:45,505 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:44:45,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a42954b-649f-46ef-be2e-f196bef91644/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 00:44:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:45,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 00:44:45,827 INFO L285 TraceCheckSpWp]: Computing forward predicates...