./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91 --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 64bit --witnessprinter.graph.data.programhash 31c429cae02fa7fad8f91ea3ad481b187fa419072b3b05c95387fa572b15e29f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:03:05,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:03:05,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:03:05,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:03:05,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:03:05,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:03:05,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:03:05,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:03:05,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:03:05,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:03:05,467 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:03:05,467 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:03:05,468 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:03:05,468 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:03:05,469 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:03:05,469 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:03:05,470 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:03:05,471 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:03:05,471 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:03:05,472 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:03:05,472 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:03:05,473 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:03:05,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:03:05,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:03:05,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:03:05,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:03:05,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:03:05,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:03:05,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:03:05,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:03:05,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:03:05,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:03:05,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:03:05,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:03:05,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:05,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:03:05,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:03:05,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:03:05,482 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:03:05,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:03:05,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:03:05,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:03:05,484 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:03:05,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:03:05,485 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_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31c429cae02fa7fad8f91ea3ad481b187fa419072b3b05c95387fa572b15e29f [2023-11-25 00:03:05,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:03:05,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:03:05,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:03:05,823 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:03:05,823 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:03:05,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i [2023-11-25 00:03:09,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:09,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:09,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i [2023-11-25 00:03:09,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/data/660180e0d/3d2f57669e70492c9a14aaf47b2d1967/FLAG1774d2a95 [2023-11-25 00:03:09,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/data/660180e0d/3d2f57669e70492c9a14aaf47b2d1967 [2023-11-25 00:03:09,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:09,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:09,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:09,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:09,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:09,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b5041a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09, skipping insertion in model container [2023-11-25 00:03:09,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:03:09,632 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_f14be573-9671-4199-9ed1-e410c3cac442/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i[1099,1112] [2023-11-25 00:03:09,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:09,666 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:03:09,684 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_f14be573-9671-4199-9ed1-e410c3cac442/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i[1099,1112] [2023-11-25 00:03:09,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:09,710 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:03:09,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09 WrapperNode [2023-11-25 00:03:09,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:09,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:09,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:03:09,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:03:09,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,748 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-11-25 00:03:09,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:09,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:03:09,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:03:09,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:03:09,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:03:09,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:03:09,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:03:09,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:03:09,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (1/1) ... [2023-11-25 00:03:09,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:09,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:09,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:03:09,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:03:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:03:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:03:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:03:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:03:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-25 00:03:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-25 00:03:09,917 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:03:09,920 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:03:10,053 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:03:10,075 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:03:10,075 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:03:10,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:10 BoogieIcfgContainer [2023-11-25 00:03:10,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:03:10,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:03:10,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:03:10,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:03:10,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:09" (1/3) ... [2023-11-25 00:03:10,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3232bb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:10, skipping insertion in model container [2023-11-25 00:03:10,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:09" (2/3) ... [2023-11-25 00:03:10,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3232bb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:10, skipping insertion in model container [2023-11-25 00:03:10,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:10" (3/3) ... [2023-11-25 00:03:10,089 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_16-counting-local-one-method_true.i [2023-11-25 00:03:10,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:03:10,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-25 00:03:10,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:03:10,171 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;@d13907f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:03:10,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-25 00:03:10,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-25 00:03:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-25 00:03:10,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:10,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-25 00:03:10,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:10,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:10,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1923744985, now seen corresponding path program 1 times [2023-11-25 00:03:10,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:03:10,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596236396] [2023-11-25 00:03:10,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:10,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:03:10,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:03:10,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596236396] [2023-11-25 00:03:10,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596236396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:10,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:10,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:03:10,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721711702] [2023-11-25 00:03:10,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:10,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:03:10,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:03:10,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:03:10,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:03:10,718 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:03:10,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:10,812 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2023-11-25 00:03:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:03:10,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-25 00:03:10,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:10,823 INFO L225 Difference]: With dead ends: 20 [2023-11-25 00:03:10,824 INFO L226 Difference]: Without dead ends: 9 [2023-11-25 00:03:10,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:03:10,832 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:10,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:03:10,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-25 00:03:10,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-25 00:03:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:03:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-11-25 00:03:10,869 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6 [2023-11-25 00:03:10,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:10,870 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-11-25 00:03:10,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:03:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-25 00:03:10,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-25 00:03:10,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:10,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:10,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:03:10,873 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:10,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1883148098, now seen corresponding path program 1 times [2023-11-25 00:03:10,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:03:10,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185868769] [2023-11-25 00:03:10,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:10,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:03:10,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:03:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:03:10,967 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:03:10,968 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:03:10,970 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-25 00:03:10,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-25 00:03:10,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:03:10,976 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-25 00:03:10,979 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:03:10,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:03:10 BoogieIcfgContainer [2023-11-25 00:03:10,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:03:10,997 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:03:10,997 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:03:10,997 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:03:10,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:10" (3/4) ... [2023-11-25 00:03:11,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:03:11,002 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:03:11,002 INFO L158 Benchmark]: Toolchain (without parser) took 1574.46ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 75.1MB in the end (delta: 58.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-25 00:03:11,003 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 115.3MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:11,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.30ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 122.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-25 00:03:11,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.70ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 121.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:11,005 INFO L158 Benchmark]: Boogie Preprocessor took 23.01ms. Allocated memory is still 163.6MB. Free memory was 121.2MB in the beginning and 119.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:03:11,005 INFO L158 Benchmark]: RCFGBuilder took 304.23ms. Allocated memory is still 163.6MB. Free memory was 119.6MB in the beginning and 109.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-25 00:03:11,006 INFO L158 Benchmark]: TraceAbstraction took 915.56ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 75.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-25 00:03:11,006 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 163.6MB. Free memory was 75.6MB in the beginning and 75.1MB in the end (delta: 516.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:11,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 115.3MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.30ms. Allocated memory is still 163.6MB. Free memory was 133.2MB in the beginning and 122.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.70ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 121.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.01ms. Allocated memory is still 163.6MB. Free memory was 121.2MB in the beginning and 119.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.23ms. Allocated memory is still 163.6MB. Free memory was 119.6MB in the beginning and 109.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 915.56ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 75.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 163.6MB. Free memory was 75.6MB in the beginning and 75.1MB in the end (delta: 516.5kB). 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: 52]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 52. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L47] volatile int count = 0; VAL [count=0] [L49] COND TRUE count < 5 [L50] count++ VAL [count=1] [L51] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L51] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L52] longjmp(my_jump_buffer, 1) VAL [count=1] - 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: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2023-11-25 00:03:11,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91 --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 64bit --witnessprinter.graph.data.programhash 31c429cae02fa7fad8f91ea3ad481b187fa419072b3b05c95387fa572b15e29f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:03:13,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:03:13,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-25 00:03:13,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:03:13,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:03:13,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:03:13,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:03:13,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:03:13,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:03:13,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:03:13,999 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:03:14,000 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:03:14,001 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:03:14,003 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:03:14,003 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:03:14,004 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:03:14,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:03:14,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:03:14,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:03:14,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:03:14,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:03:14,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:03:14,009 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:03:14,009 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:03:14,010 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:03:14,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:03:14,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:03:14,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:03:14,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:03:14,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:03:14,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:03:14,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:14,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:03:14,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:03:14,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:03:14,016 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:03:14,016 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:03:14,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:03:14,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:03:14,018 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:03:14,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:03:14,019 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_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31c429cae02fa7fad8f91ea3ad481b187fa419072b3b05c95387fa572b15e29f [2023-11-25 00:03:14,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:03:14,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:03:14,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:03:14,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:03:14,457 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:03:14,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i [2023-11-25 00:03:17,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:18,051 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:18,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i [2023-11-25 00:03:18,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/data/98ae4a458/70853260e04e412cae34c3f6545fa7f0/FLAG8cae0f869 [2023-11-25 00:03:18,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/data/98ae4a458/70853260e04e412cae34c3f6545fa7f0 [2023-11-25 00:03:18,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:18,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:18,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:18,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:18,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:18,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad517ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18, skipping insertion in model container [2023-11-25 00:03:18,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:03:18,261 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_f14be573-9671-4199-9ed1-e410c3cac442/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i[1099,1112] [2023-11-25 00:03:18,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:18,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:03:18,313 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_f14be573-9671-4199-9ed1-e410c3cac442/sv-benchmarks/c/longjmp/68-longjmp_16-counting-local-one-method_true.i[1099,1112] [2023-11-25 00:03:18,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:18,338 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:03:18,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18 WrapperNode [2023-11-25 00:03:18,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:18,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:18,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:03:18,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:03:18,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,374 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-11-25 00:03:18,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:18,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:03:18,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:03:18,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:03:18,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:03:18,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:03:18,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:03:18,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:03:18,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (1/1) ... [2023-11-25 00:03:18,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:18,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:18,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:03:18,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:03:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:03:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:03:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:03:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:03:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-25 00:03:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-25 00:03:18,655 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:03:18,658 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:03:18,857 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:03:18,907 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:03:18,907 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:03:18,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:18 BoogieIcfgContainer [2023-11-25 00:03:18,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:03:18,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:03:18,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:03:18,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:03:18,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:18" (1/3) ... [2023-11-25 00:03:18,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d865471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:18, skipping insertion in model container [2023-11-25 00:03:18,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:18" (2/3) ... [2023-11-25 00:03:18,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d865471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:18, skipping insertion in model container [2023-11-25 00:03:18,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:18" (3/3) ... [2023-11-25 00:03:18,919 INFO L112 eAbstractionObserver]: Analyzing ICFG 68-longjmp_16-counting-local-one-method_true.i [2023-11-25 00:03:18,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:03:18,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-25 00:03:18,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:03:18,994 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;@5914a7b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:03:18,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-25 00:03:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-25 00:03:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-25 00:03:19,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:19,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-25 00:03:19,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:19,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:19,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1923744985, now seen corresponding path program 1 times [2023-11-25 00:03:19,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:19,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661004518] [2023-11-25 00:03:19,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:19,035 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 [2023-11-25 00:03:19,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:19,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:03:19,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:03:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:19,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:03:19,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:03:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:03:19,251 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:03:19,251 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:03:19,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661004518] [2023-11-25 00:03:19,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661004518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:19,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:19,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:03:19,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574147505] [2023-11-25 00:03:19,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:19,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:03:19,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:03:19,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:03:19,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:03:19,291 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:03:19,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:19,429 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2023-11-25 00:03:19,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:03:19,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-25 00:03:19,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:19,440 INFO L225 Difference]: With dead ends: 20 [2023-11-25 00:03:19,440 INFO L226 Difference]: Without dead ends: 9 [2023-11-25 00:03:19,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:03:19,448 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:19,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:03:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-25 00:03:19,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-25 00:03:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-25 00:03:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-11-25 00:03:19,482 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6 [2023-11-25 00:03:19,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:19,482 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-11-25 00:03:19,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-25 00:03:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-25 00:03:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-25 00:03:19,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:19,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:19,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:03:19,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:03:19,697 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN === [ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:19,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:19,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1883148098, now seen corresponding path program 1 times [2023-11-25 00:03:19,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:03:19,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684974987] [2023-11-25 00:03:19,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:19,699 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 [2023-11-25 00:03:19,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:03:19,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:03:19,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:03:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:03:19,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:03:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:03:19,837 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-25 00:03:19,837 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:03:19,839 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNKNOWN (1 of 2 remaining) [2023-11-25 00:03:19,841 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-25 00:03:19,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-25 00:03:20,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:03:20,049 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-25 00:03:20,058 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:03:20,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:03:20 BoogieIcfgContainer [2023-11-25 00:03:20,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:03:20,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:03:20,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:03:20,081 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:03:20,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:18" (3/4) ... [2023-11-25 00:03:20,085 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:03:20,086 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:03:20,087 INFO L158 Benchmark]: Toolchain (without parser) took 2008.95ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 49.5MB in the beginning and 61.0MB in the end (delta: -11.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-25 00:03:20,088 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:20,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.59ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 38.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-25 00:03:20,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.60ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 36.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:03:20,090 INFO L158 Benchmark]: Boogie Preprocessor took 26.78ms. Allocated memory is still 73.4MB. Free memory was 36.6MB in the beginning and 35.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:20,091 INFO L158 Benchmark]: RCFGBuilder took 505.78ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 35.4MB in the beginning and 63.8MB in the end (delta: -28.4MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-11-25 00:03:20,092 INFO L158 Benchmark]: TraceAbstraction took 1169.11ms. Allocated memory is still 94.4MB. Free memory was 63.4MB in the beginning and 61.6MB in the end (delta: 1.8MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-25 00:03:20,092 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 61.0MB in the end (delta: 533.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:20,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.59ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 38.1MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.60ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 36.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.78ms. Allocated memory is still 73.4MB. Free memory was 36.6MB in the beginning and 35.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.78ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 35.4MB in the beginning and 63.8MB in the end (delta: -28.4MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1169.11ms. Allocated memory is still 94.4MB. Free memory was 63.4MB in the beginning and 61.6MB in the end (delta: 1.8MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 61.0MB in the end (delta: 533.4kB). 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: 52]: Unable to prove that unknown kind of specification holds Unable to prove that unknown kind of specification holds Reason: overapproximation of longjmp at line 52. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L47] volatile int count = 0; VAL [count=0] [L49] COND TRUE count < 5 [L50] count++ VAL [count=1] [L51] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L51] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L52] longjmp(my_jump_buffer, 1) VAL [count=1] - 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: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 1 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2023-11-25 00:03:20,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14be573-9671-4199-9ed1-e410c3cac442/bin/utaipan-verify-SwPr7d2a91/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample