./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/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_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91 --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 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:03:46,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:03:46,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-25 00:03:46,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:03:46,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:03:46,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:03:46,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:03:46,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:03:46,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:03:46,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:03:46,792 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:03:46,793 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:03:46,794 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:03:46,794 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:03:46,795 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:03:46,796 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:03:46,796 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:03:46,797 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:03:46,797 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:03:46,798 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:03:46,798 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:03:46,799 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:03:46,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:03:46,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:03:46,801 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:03:46,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:03:46,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:03:46,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:03:46,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:03:46,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:03:46,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:03:46,805 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:03:46,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:03:46,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:03:46,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:03:46,807 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:03:46,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:03:46,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:03:46,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:03:46,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:46,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:03:46,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:03:46,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:03:46,811 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:03:46,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:03:46,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:03:46,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:03:46,812 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:03:46,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:03:46,813 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_2dbbd855-5e3f-4115-a33b-cd0c391379df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 [2023-11-25 00:03:47,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:03:47,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:03:47,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:03:47,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:03:47,102 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:03:47,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-25 00:03:50,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:50,429 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:50,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-25 00:03:50,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/data/50ac767d1/e12cd809aceb4f71ade73f1c4bdaaf3d/FLAG78d3d6822 [2023-11-25 00:03:50,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/data/50ac767d1/e12cd809aceb4f71ade73f1c4bdaaf3d [2023-11-25 00:03:50,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:50,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:50,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:50,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:50,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:50,485 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f49c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50, skipping insertion in model container [2023-11-25 00:03:50,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:03:50,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:50,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:03:50,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:50,832 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:50,833 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:50,840 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:03:50,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50 WrapperNode [2023-11-25 00:03:50,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:50,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:50,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:03:50,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:03:50,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,898 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-11-25 00:03:50,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:50,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:03:50,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:03:50,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:03:50,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:03:50,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:03:50,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:03:50,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:03:50,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (1/1) ... [2023-11-25 00:03:50,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:50,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:50,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:03:51,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:03:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:03:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-25 00:03:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-25 00:03:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-25 00:03:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-25 00:03:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:03:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:03:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:03:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-25 00:03:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-25 00:03:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:03:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:03:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:03:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:03:51,034 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-25 00:03:51,141 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:03:51,144 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:03:51,369 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:03:51,611 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:03:51,611 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-25 00:03:51,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:51 BoogieIcfgContainer [2023-11-25 00:03:51,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:03:51,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:03:51,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:03:51,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:03:51,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:50" (1/3) ... [2023-11-25 00:03:51,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e40e116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:51, skipping insertion in model container [2023-11-25 00:03:51,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:50" (2/3) ... [2023-11-25 00:03:51,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e40e116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:51, skipping insertion in model container [2023-11-25 00:03:51,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:51" (3/3) ... [2023-11-25 00:03:51,622 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2023-11-25 00:03:51,631 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-25 00:03:51,643 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:03:51,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-25 00:03:51,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e40e116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:03:51, skipping insertion in model container [2023-11-25 00:03:51,645 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:03:51,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:03:51,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:03:51,647 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:03:51,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:51" (3/3) ... [2023-11-25 00:03:51,650 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-25 00:03:51,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-25 00:03:51,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-25 00:03:51,659 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2023-11-25 00:03:51,660 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-25 00:03:51,660 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-25 00:03:51,661 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-25 00:03:51,748 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-25 00:03:51,748 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-25 00:03:51,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:03:51,751 INFO L158 Benchmark]: Toolchain (without parser) took 1275.27ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 89.4MB in the beginning and 128.2MB in the end (delta: -38.8MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-25 00:03:51,751 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:51,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.27ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 77.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-25 00:03:51,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.87ms. Allocated memory is still 127.9MB. Free memory was 77.5MB in the beginning and 76.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:03:51,753 INFO L158 Benchmark]: Boogie Preprocessor took 57.04ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 74.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:03:51,754 INFO L158 Benchmark]: RCFGBuilder took 654.72ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 74.7MB in the beginning and 135.7MB in the end (delta: -61.0MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-25 00:03:51,754 INFO L158 Benchmark]: TraceAbstraction took 30.34ms. Allocated memory is still 167.8MB. Free memory was 135.3MB in the beginning and 133.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:03:51,755 INFO L158 Benchmark]: Witness Printer took 102.73ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 128.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-25 00:03:51,758 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 127.9MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.27ms. Allocated memory is still 127.9MB. Free memory was 89.0MB in the beginning and 77.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.87ms. Allocated memory is still 127.9MB. Free memory was 77.5MB in the beginning and 76.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.04ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 74.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.72ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 74.7MB in the beginning and 135.7MB in the end (delta: -61.0MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * TraceAbstraction took 30.34ms. Allocated memory is still 167.8MB. Free memory was 135.3MB in the beginning and 133.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 102.73ms. Allocated memory is still 167.8MB. Free memory was 133.2MB in the beginning and 128.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. 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! [2023-11-25 00:03:51,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbbd855-5e3f-4115-a33b-cd0c391379df/bin/utaipan-verify-SwPr7d2a91/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