./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:11,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:11,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:47:11,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:11,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:11,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:11,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:11,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:11,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:11,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:11,848 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:11,848 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:11,849 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:11,850 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:11,851 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:11,852 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:11,852 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:11,853 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:11,854 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:11,855 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:11,855 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:11,856 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:11,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:11,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:11,859 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:11,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:11,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:11,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:11,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:11,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:11,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:11,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:47:11,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:47:11,863 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:11,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:11,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:11,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:11,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:11,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:11,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:11,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:11,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:11,867 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:11,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:11,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:11,868 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:11,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:11,869 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_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad [2023-11-19 04:47:12,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:12,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:12,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:12,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:12,237 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:12,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i [2023-11-19 04:47:15,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:15,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:15,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i [2023-11-19 04:47:15,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/data/afda55262/bf9e761041e74e7f83ccc6fee52ef830/FLAGe0305d0de [2023-11-19 04:47:15,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/data/afda55262/bf9e761041e74e7f83ccc6fee52ef830 [2023-11-19 04:47:15,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:15,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:15,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:15,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:15,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:15,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21da635c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:15, skipping insertion in model container [2023-11-19 04:47:15,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:15" (1/1) ... [2023-11-19 04:47:15,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:16,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:16,514 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:16,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:16,640 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:16,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16 WrapperNode [2023-11-19 04:47:16,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:16,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:16,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:16,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:16,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,711 INFO L138 Inliner]: procedures = 260, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-11-19 04:47:16,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:16,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:16,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:16,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:16,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:16,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:16,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:16,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:16,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (1/1) ... [2023-11-19 04:47:16,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:16,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:16,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:16,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2023-11-19 04:47:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2023-11-19 04:47:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2023-11-19 04:47:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2023-11-19 04:47:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:47:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:47:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:47:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:16,831 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:47:16,992 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:16,994 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:17,102 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:17,131 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:17,131 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:47:17,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:17 BoogieIcfgContainer [2023-11-19 04:47:17,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:17,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:17,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:17,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:17,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:15" (1/3) ... [2023-11-19 04:47:17,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219818c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:17, skipping insertion in model container [2023-11-19 04:47:17,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:16" (2/3) ... [2023-11-19 04:47:17,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219818c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:17, skipping insertion in model container [2023-11-19 04:47:17,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:17" (3/3) ... [2023-11-19 04:47:17,149 INFO L112 eAbstractionObserver]: Analyzing ICFG 10-synch_03-two_unique.i [2023-11-19 04:47:17,164 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:47:17,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:17,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 04:47:17,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219818c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:47:17, skipping insertion in model container [2023-11-19 04:47:17,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:47:17,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:47:17,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:47:17,190 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:47:17,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:17" (3/3) ... [2023-11-19 04:47:17,193 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:47:17,198 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2023-11-19 04:47:17,198 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2023-11-19 04:47:17,203 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 04:47:17,203 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:47:17,204 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:47:17,301 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:47:17,301 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:47:17,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:47:17,304 INFO L158 Benchmark]: Toolchain (without parser) took 1385.76ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 107.9MB in the beginning and 155.7MB in the end (delta: -47.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:17,304 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:17,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.48ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 81.3MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 04:47:17,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.49ms. Allocated memory is still 155.2MB. Free memory was 81.3MB in the beginning and 79.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:47:17,307 INFO L158 Benchmark]: Boogie Preprocessor took 30.32ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:17,308 INFO L158 Benchmark]: RCFGBuilder took 394.21ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 78.0MB in the beginning and 162.1MB in the end (delta: -84.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-19 04:47:17,309 INFO L158 Benchmark]: TraceAbstraction took 47.43ms. Allocated memory is still 192.9MB. Free memory was 161.4MB in the beginning and 160.8MB in the end (delta: 595.3kB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-19 04:47:17,310 INFO L158 Benchmark]: Witness Printer took 111.99ms. Allocated memory is still 192.9MB. Free memory was 159.8MB in the beginning and 155.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:47:17,315 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 155.2MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.48ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 81.3MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.49ms. Allocated memory is still 155.2MB. Free memory was 81.3MB in the beginning and 79.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.32ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.21ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 78.0MB in the beginning and 162.1MB in the end (delta: -84.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * TraceAbstraction took 47.43ms. Allocated memory is still 192.9MB. Free memory was 161.4MB in the beginning and 160.8MB in the end (delta: 595.3kB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 111.99ms. Allocated memory is still 192.9MB. Free memory was 159.8MB in the beginning and 155.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:47:17,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfc2aafe-b150-4396-b674-f32ca2823be1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE