./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8 --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 b122c739007cec8de5153cdeef5c57a127766b5f2404e5e5123833b6458d9bfd --- 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-2329fc7 [2022-12-13 20:54:41,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:54:41,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:54:41,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:54:41,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:54:41,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:54:41,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:54:41,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:54:41,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:54:41,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:54:41,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:54:41,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:54:41,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:54:41,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:54:41,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:54:41,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:54:41,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:54:41,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:54:41,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:54:41,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:54:41,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:54:41,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:54:41,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:54:41,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:54:41,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:54:41,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:54:41,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:54:41,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:54:41,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:54:41,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:54:41,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:54:41,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:54:41,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:54:41,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:54:41,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:54:41,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:54:41,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:54:41,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:54:41,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:54:41,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:54:41,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:54:41,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 20:54:41,347 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:54:41,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:54:41,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:54:41,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:54:41,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:54:41,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:54:41,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:54:41,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:54:41,350 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:54:41,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:54:41,350 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:54:41,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:54:41,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:54:41,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:54:41,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:54:41,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:54:41,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:54:41,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:54:41,352 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:54:41,352 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:54:41,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:54:41,352 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:54:41,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:54:41,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:54:41,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:54:41,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:54:41,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:54:41,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:54:41,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:54:41,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:54:41,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:54:41,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:54:41,354 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:54:41,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:54:41,355 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:54:41,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:54:41,355 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:54:41,355 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b122c739007cec8de5153cdeef5c57a127766b5f2404e5e5123833b6458d9bfd [2022-12-13 20:54:41,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:54:41,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:54:41,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:54:41,543 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:54:41,544 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:54:41,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i [2022-12-13 20:54:44,024 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:54:44,220 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:54:44,220 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i [2022-12-13 20:54:44,230 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/data/baa625849/8bbf281c54e344c0ace99481e9e5799a/FLAG30dd8cc35 [2022-12-13 20:54:44,240 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/data/baa625849/8bbf281c54e344c0ace99481e9e5799a [2022-12-13 20:54:44,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:54:44,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:54:44,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:54:44,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:54:44,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:54:44,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6178dd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44, skipping insertion in model container [2022-12-13 20:54:44,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:54:44,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:54:44,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:54:44,572 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:54:44,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:54:44,632 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:54:44,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44 WrapperNode [2022-12-13 20:54:44,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:54:44,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:54:44,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:54:44,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:54:44,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,663 INFO L138 Inliner]: procedures = 265, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-13 20:54:44,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:54:44,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:54:44,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:54:44,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:54:44,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,678 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:54:44,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:54:44,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:54:44,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:54:44,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (1/1) ... [2022-12-13 20:54:44,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:54:44,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:54:44,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:54:44,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:54:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:54:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:54:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:54:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 20:54:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:54:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 20:54:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 20:54:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:54:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:54:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:54:44,742 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 20:54:44,852 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:54:44,853 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:54:44,975 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:54:44,980 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:54:44,980 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:54:44,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:54:44 BoogieIcfgContainer [2022-12-13 20:54:44,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:54:44,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:54:44,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:54:44,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:54:44,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:54:44" (1/3) ... [2022-12-13 20:54:44,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510ebf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:54:44, skipping insertion in model container [2022-12-13 20:54:44,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:44" (2/3) ... [2022-12-13 20:54:44,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510ebf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:54:44, skipping insertion in model container [2022-12-13 20:54:44,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:54:44" (3/3) ... [2022-12-13 20:54:44,989 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_28-base_nr.i [2022-12-13 20:54:44,995 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 20:54:45,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:54:45,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:54:45,003 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 20:54:45,041 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 20:54:45,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 70 transitions, 145 flow [2022-12-13 20:54:45,094 INFO L130 PetriNetUnfolder]: 0/69 cut-off events. [2022-12-13 20:54:45,094 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:54:45,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 69 events. 0/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 20:54:45,097 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 70 transitions, 145 flow [2022-12-13 20:54:45,100 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 61 transitions, 125 flow [2022-12-13 20:54:45,102 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 20:54:45,110 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 61 transitions, 125 flow [2022-12-13 20:54:45,112 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 61 transitions, 125 flow [2022-12-13 20:54:45,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 61 transitions, 125 flow [2022-12-13 20:54:45,125 INFO L130 PetriNetUnfolder]: 0/61 cut-off events. [2022-12-13 20:54:45,125 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:54:45,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 0/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 20:54:45,126 INFO L119 LiptonReduction]: Number of co-enabled transitions 512 [2022-12-13 20:54:46,799 INFO L134 LiptonReduction]: Checked pairs total: 1018 [2022-12-13 20:54:46,799 INFO L136 LiptonReduction]: Total number of compositions: 51 [2022-12-13 20:54:46,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:54:46,814 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10736aa3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:54:46,814 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 20:54:46,816 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-13 20:54:46,816 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:54:46,817 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:54:46,817 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 20:54:46,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-12-13 20:54:46,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:54:46,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1301128387, now seen corresponding path program 1 times [2022-12-13 20:54:46,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:54:46,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113012910] [2022-12-13 20:54:46,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:54:46,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:54:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:54:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:54:47,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:54:47,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113012910] [2022-12-13 20:54:47,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113012910] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:54:47,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:54:47,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 20:54:47,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586039740] [2022-12-13 20:54:47,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:54:47,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:54:47,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:54:47,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:54:47,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:54:47,046 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 121 [2022-12-13 20:54:47,048 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 27 flow. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:54:47,048 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:54:47,048 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 121 [2022-12-13 20:54:47,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:54:47,068 INFO L130 PetriNetUnfolder]: 9/28 cut-off events. [2022-12-13 20:54:47,068 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:54:47,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 28 events. 9/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 9 based on Foata normal form. 4/30 useless extension candidates. Maximal degree in co-relation 50. Up to 26 conditions per place. [2022-12-13 20:54:47,070 INFO L137 encePairwiseOnDemand]: 118/121 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2022-12-13 20:54:47,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 10 transitions, 39 flow [2022-12-13 20:54:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:54:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:54:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2022-12-13 20:54:47,079 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.581267217630854 [2022-12-13 20:54:47,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2022-12-13 20:54:47,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2022-12-13 20:54:47,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:54:47,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2022-12-13 20:54:47,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:54:47,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:54:47,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:54:47,089 INFO L175 Difference]: Start difference. First operand has 16 places, 12 transitions, 27 flow. Second operand 3 states and 211 transitions. [2022-12-13 20:54:47,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 10 transitions, 39 flow [2022-12-13 20:54:47,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 10 transitions, 38 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 20:54:47,092 INFO L231 Difference]: Finished difference. Result has 15 places, 0 transitions, 0 flow [2022-12-13 20:54:47,093 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=22, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=15, PETRI_TRANSITIONS=0} [2022-12-13 20:54:47,095 INFO L288 CegarLoopForPetriNet]: 16 programPoint places, -1 predicate places. [2022-12-13 20:54:47,096 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 0 transitions, 0 flow [2022-12-13 20:54:47,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:54:47,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2022-12-13 20:54:47,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-12-13 20:54:47,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-12-13 20:54:47,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-12-13 20:54:47,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-12-13 20:54:47,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:54:47,099 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 20:54:47,103 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 20:54:47,103 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:54:47,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:54:47 BasicIcfg [2022-12-13 20:54:47,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:54:47,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:54:47,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:54:47,106 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:54:47,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:54:44" (3/4) ... [2022-12-13 20:54:47,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:54:47,113 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 20:54:47,115 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-13 20:54:47,116 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 20:54:47,116 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:54:47,137 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:54:47,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:54:47,138 INFO L158 Benchmark]: Toolchain (without parser) took 2893.59ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 119.8MB in the beginning and 76.9MB in the end (delta: 42.9MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2022-12-13 20:54:47,138 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:54:47,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.73ms. Allocated memory is still 159.4MB. Free memory was 119.5MB in the beginning and 92.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 20:54:47,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.30ms. Allocated memory is still 159.4MB. Free memory was 92.3MB in the beginning and 90.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:54:47,139 INFO L158 Benchmark]: Boogie Preprocessor took 17.20ms. Allocated memory is still 159.4MB. Free memory was 90.1MB in the beginning and 88.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:54:47,140 INFO L158 Benchmark]: RCFGBuilder took 300.67ms. Allocated memory is still 159.4MB. Free memory was 88.7MB in the beginning and 75.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:54:47,140 INFO L158 Benchmark]: TraceAbstraction took 2121.86ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 75.1MB in the beginning and 80.1MB in the end (delta: -5.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-12-13 20:54:47,140 INFO L158 Benchmark]: Witness Printer took 31.40ms. Allocated memory is still 192.9MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:54:47,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.73ms. Allocated memory is still 159.4MB. Free memory was 119.5MB in the beginning and 92.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.30ms. Allocated memory is still 159.4MB. Free memory was 92.3MB in the beginning and 90.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.20ms. Allocated memory is still 159.4MB. Free memory was 90.1MB in the beginning and 88.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.67ms. Allocated memory is still 159.4MB. Free memory was 88.7MB in the beginning and 75.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2121.86ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 75.1MB in the beginning and 80.1MB in the end (delta: -5.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Witness Printer took 31.40ms. Allocated memory is still 192.9MB. Free memory was 79.0MB in the beginning and 76.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.7s, 65 PlacesBefore, 16 PlacesAfterwards, 61 TransitionsBefore, 12 TransitionsAfterwards, 512 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 51 TotalNumberOfCompositions, 1018 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 467, independent: 356, independent conditional: 0, independent unconditional: 356, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 267, independent: 247, independent conditional: 0, independent unconditional: 247, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 467, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 267, unknown conditional: 0, unknown unconditional: 267] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 924]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 924]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 97 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 3 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 20:54:47,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97e09407-efc8-4192-aff5-367ccdcc25fb/bin/uautomizer-uyxdKDjOR8/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