./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:32:31,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:32:31,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:32:31,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:32:31,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:32:31,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:32:31,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:32:31,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:32:31,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:32:31,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:32:31,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:32:31,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:32:31,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:32:31,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:32:31,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:32:31,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:32:31,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:32:31,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:32:31,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:32:31,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:32:32,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:32:32,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:32:32,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:32:32,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:32:32,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:32:32,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:32:32,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:32:32,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:32:32,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:32:32,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:32:32,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:32:32,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:32:32,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:32:32,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:32:32,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:32:32,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:32:32,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:32:32,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:32:32,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:32:32,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:32:32,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:32:32,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:32:32,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:32:32,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:32:32,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:32:32,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:32:32,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:32:32,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:32:32,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:32:32,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:32:32,086 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:32:32,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:32:32,088 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:32:32,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:32:32,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:32:32,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:32:32,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:32:32,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:32:32,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:32:32,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:32:32,091 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:32:32,092 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:32:32,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:32:32,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:32:32,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:32:32,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:32:32,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:32:32,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:32:32,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:32:32,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:32:32,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:32:32,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:32:32,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:32:32,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:32:32,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:32:32,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 [2022-11-02 20:32:32,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:32:32,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:32:32,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:32:32,451 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:32:32,452 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:32:32,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2022-11-02 20:32:32,543 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/data/5376f83e8/ef331e6d623248bb971a2aaa16ba3b80/FLAG1dbff33bf [2022-11-02 20:32:33,075 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:32:33,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2022-11-02 20:32:33,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/data/5376f83e8/ef331e6d623248bb971a2aaa16ba3b80/FLAG1dbff33bf [2022-11-02 20:32:33,439 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/data/5376f83e8/ef331e6d623248bb971a2aaa16ba3b80 [2022-11-02 20:32:33,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:32:33,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:32:33,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:32:33,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:32:33,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:32:33,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0e17fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33, skipping insertion in model container [2022-11-02 20:32:33,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:32:33,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:32:33,761 WARN L230 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_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c[2135,2148] [2022-11-02 20:32:33,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:32:33,771 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:32:33,799 WARN L230 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_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c[2135,2148] [2022-11-02 20:32:33,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:32:33,812 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:32:33,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33 WrapperNode [2022-11-02 20:32:33,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:32:33,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:32:33,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:32:33,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:32:33,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,848 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-11-02 20:32:33,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:32:33,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:32:33,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:32:33,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:32:33,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:32:33,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:32:33,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:32:33,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:32:33,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (1/1) ... [2022-11-02 20:32:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:32:33,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:33,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:33,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:32:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:32:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:32:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:32:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:32:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:32:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-02 20:32:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-02 20:32:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:32:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:32:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:32:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:32:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:32:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:32:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:32:33,974 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:32:34,124 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:32:34,126 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:32:34,399 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:32:34,407 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:32:34,407 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:32:34,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:34 BoogieIcfgContainer [2022-11-02 20:32:34,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:32:34,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:32:34,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:32:34,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:32:34,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:32:33" (1/3) ... [2022-11-02 20:32:34,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c111f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:32:34, skipping insertion in model container [2022-11-02 20:32:34,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:33" (2/3) ... [2022-11-02 20:32:34,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c111f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:32:34, skipping insertion in model container [2022-11-02 20:32:34,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:34" (3/3) ... [2022-11-02 20:32:34,424 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2022-11-02 20:32:34,433 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:32:34,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:32:34,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-02 20:32:34,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c111f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:32:34, skipping insertion in model container [2022-11-02 20:32:34,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:32:34,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:32:34,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:32:34,449 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:32:34,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:34" (3/3) ... [2022-11-02 20:32:34,453 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:32:34,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:32:34,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:32:34,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-02 20:32:34,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-02 20:32:34,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:32:34,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:32:34,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:32:34,523 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:32:34,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:32:34,527 INFO L158 Benchmark]: Toolchain (without parser) took 1080.14ms. Allocated memory is still 144.7MB. Free memory was 111.9MB in the beginning and 96.6MB in the end (delta: 15.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-02 20:32:34,527 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:32:34,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.52ms. Allocated memory is still 144.7MB. Free memory was 111.9MB in the beginning and 118.8MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:32:34,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.92ms. Allocated memory is still 144.7MB. Free memory was 118.4MB in the beginning and 116.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:32:34,535 INFO L158 Benchmark]: Boogie Preprocessor took 25.50ms. Allocated memory is still 144.7MB. Free memory was 116.8MB in the beginning and 115.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:32:34,535 INFO L158 Benchmark]: RCFGBuilder took 535.01ms. Allocated memory is still 144.7MB. Free memory was 115.5MB in the beginning and 102.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:32:34,536 INFO L158 Benchmark]: TraceAbstraction took 34.61ms. Allocated memory is still 144.7MB. Free memory was 101.2MB in the beginning and 99.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:32:34,537 INFO L158 Benchmark]: Witness Printer took 76.85ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 96.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:32:34,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.52ms. Allocated memory is still 144.7MB. Free memory was 111.9MB in the beginning and 118.8MB in the end (delta: -6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.92ms. Allocated memory is still 144.7MB. Free memory was 118.4MB in the beginning and 116.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.50ms. Allocated memory is still 144.7MB. Free memory was 116.8MB in the beginning and 115.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 535.01ms. Allocated memory is still 144.7MB. Free memory was 115.5MB in the beginning and 102.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 34.61ms. Allocated memory is still 144.7MB. Free memory was 101.2MB in the beginning and 99.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 76.85ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 96.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-02 20:32:34,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01f20f1a-fd87-4f1c-9449-d1fbe51cb9cb/bin/uautomizer-Dbtcem3rbc/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: TRUE