./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 8393723b 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_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 20:25:55,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:25:55,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:25:55,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:25:55,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:25:55,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:25:55,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:25:55,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:25:55,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:25:55,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:25:55,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:25:55,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:25:55,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:25:55,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:25:55,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:25:55,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:25:55,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:25:55,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:25:55,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:25:55,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:25:55,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:25:55,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:25:55,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:25:55,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:25:55,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:25:55,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:25:55,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:25:55,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:25:55,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:25:55,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:25:55,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:25:55,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:25:55,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:25:55,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:25:55,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:25:55,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:25:55,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:25:55,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:25:55,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:25:55,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:25:55,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:25:55,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:25:55,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:25:55,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:25:55,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:25:55,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:25:55,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:25:55,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:25:55,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:25:55,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:25:55,905 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:25:55,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:25:55,907 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:25:55,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:25:55,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:25:55,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:25:55,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:25:55,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:25:55,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:25:55,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:25:55,908 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:25:55,909 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:25:55,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:25:55,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:25:55,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:25:55,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:25:55,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:25:55,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:25:55,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:55,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:25:55,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:25:55,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:25:55,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:25:55,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:25:55,913 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:25:55,913 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:25:55,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:25:55,913 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_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d10bf8c0e842192a13f4b6638f03cf57668d5bee07d0b49c4b595de1c605066 [2022-11-18 20:25:56,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:25:56,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:25:56,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:25:56,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:25:56,292 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:25:56,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2022-11-18 20:25:56,370 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/data/56ab24812/f50ed6349cac46d8ab498d8f9f28b3b8/FLAG054795f36 [2022-11-18 20:25:56,882 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:25:56,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2022-11-18 20:25:56,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/data/56ab24812/f50ed6349cac46d8ab498d8f9f28b3b8/FLAG054795f36 [2022-11-18 20:25:57,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/data/56ab24812/f50ed6349cac46d8ab498d8f9f28b3b8 [2022-11-18 20:25:57,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:25:57,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:25:57,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:57,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:25:57,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:25:57,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622d833c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57, skipping insertion in model container [2022-11-18 20:25:57,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:25:57,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:25:57,459 WARN L234 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_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c[2135,2148] [2022-11-18 20:25:57,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:57,469 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:25:57,492 WARN L234 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_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c[2135,2148] [2022-11-18 20:25:57,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:57,508 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:25:57,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57 WrapperNode [2022-11-18 20:25:57,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:57,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:57,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:25:57,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:25:57,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,545 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-11-18 20:25:57,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:57,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:25:57,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:25:57,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:25:57,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:25:57,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:25:57,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:25:57,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:25:57,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (1/1) ... [2022-11-18 20:25:57,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:57,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:57,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:25:57,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:25:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:25:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 20:25:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 20:25:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 20:25:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 20:25:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 20:25:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 20:25:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:25:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:25:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:25:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:25:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:25:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:25:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:25:57,655 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:25:57,804 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:25:57,807 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:25:58,100 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:25:58,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:25:58,121 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:25:58,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:58 BoogieIcfgContainer [2022-11-18 20:25:58,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:25:58,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:25:58,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:25:58,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:25:58,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:25:57" (1/3) ... [2022-11-18 20:25:58,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74baaf4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:25:58, skipping insertion in model container [2022-11-18 20:25:58,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:57" (2/3) ... [2022-11-18 20:25:58,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74baaf4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:25:58, skipping insertion in model container [2022-11-18 20:25:58,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:58" (3/3) ... [2022-11-18 20:25:58,138 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2022-11-18 20:25:58,147 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:25:58,157 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:25:58,157 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-18 20:25:58,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74baaf4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:25:58, skipping insertion in model container [2022-11-18 20:25:58,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:25:58,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:25:58,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:25:58,160 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:25:58,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:58" (3/3) ... [2022-11-18 20:25:58,164 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:25:58,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 20:25:58,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 20:25:58,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 20:25:58,176 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-18 20:25:58,176 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:25:58,176 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:25:58,176 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:25:58,219 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:25:58,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:25:58,222 INFO L158 Benchmark]: Toolchain (without parser) took 990.62ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 67.7MB in the end (delta: 8.0MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-18 20:25:58,222 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:25:58,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.16ms. Allocated memory is still 115.3MB. Free memory was 75.5MB in the beginning and 89.9MB in the end (delta: -14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:25:58,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.88ms. Allocated memory is still 115.3MB. Free memory was 89.9MB in the beginning and 88.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:25:58,225 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 115.3MB. Free memory was 88.0MB in the beginning and 86.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:25:58,226 INFO L158 Benchmark]: RCFGBuilder took 550.07ms. Allocated memory is still 115.3MB. Free memory was 86.9MB in the beginning and 73.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:25:58,226 INFO L158 Benchmark]: TraceAbstraction took 33.28ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:25:58,227 INFO L158 Benchmark]: Witness Printer took 60.21ms. Allocated memory is still 115.3MB. Free memory was 70.4MB in the beginning and 67.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:25:58,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.16ms. Allocated memory is still 115.3MB. Free memory was 75.5MB in the beginning and 89.9MB in the end (delta: -14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.88ms. Allocated memory is still 115.3MB. Free memory was 89.9MB in the beginning and 88.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 115.3MB. Free memory was 88.0MB in the beginning and 86.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 550.07ms. Allocated memory is still 115.3MB. Free memory was 86.9MB in the beginning and 73.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 33.28ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 60.21ms. Allocated memory is still 115.3MB. Free memory was 70.4MB in the beginning and 67.7MB 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-18 20:25:58,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a54ad2-3b39-44a4-b4ee-f30ff3356cf0/bin/uautomizer-TMbwUNV5ro/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