./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 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_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/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_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/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_2684532e-e2cd-4872-b0a1-ce1052b67977/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_2684532e-e2cd-4872-b0a1-ce1052b67977/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 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-5e519f3 [2022-11-02 20:11:36,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:11:36,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:11:36,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:11:36,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:11:36,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:11:36,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:11:36,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:11:36,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:11:36,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:11:36,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:11:36,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:11:36,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:11:36,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:11:36,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:11:36,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:11:36,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:11:36,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:11:36,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:11:36,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:11:36,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:11:36,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:11:36,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:11:36,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:11:36,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:11:36,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:11:36,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:11:36,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:11:36,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:11:36,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:11:36,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:11:36,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:11:36,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:11:36,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:11:36,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:11:36,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:11:36,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:11:36,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:11:36,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:11:36,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:11:36,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:11:36,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:11:36,589 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:11:36,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:11:36,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:11:36,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:11:36,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:11:36,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:11:36,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:11:36,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:11:36,600 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:11:36,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:11:36,601 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:11:36,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:11:36,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:11:36,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:11:36,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:11:36,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:11:36,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:11:36,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:11:36,604 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:11:36,604 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:11:36,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:11:36,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:11:36,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:11:36,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:11:36,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:11:36,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:11:36,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:11:36,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:11:36,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:11:36,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:11:36,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:11:36,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:11:36,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:11:36,611 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_2684532e-e2cd-4872-b0a1-ce1052b67977/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b122c739007cec8de5153cdeef5c57a127766b5f2404e5e5123833b6458d9bfd [2022-11-02 20:11:37,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:11:37,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:11:37,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:11:37,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:11:37,078 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:11:37,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i [2022-11-02 20:11:37,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/data/ff99ab33f/40d776fb64724b76ad23ac8d2f2f7aa3/FLAG156af3a17 [2022-11-02 20:11:37,817 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:11:37,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/sv-benchmarks/c/goblint-regression/04-mutex_28-base_nr.i [2022-11-02 20:11:37,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/data/ff99ab33f/40d776fb64724b76ad23ac8d2f2f7aa3/FLAG156af3a17 [2022-11-02 20:11:37,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/data/ff99ab33f/40d776fb64724b76ad23ac8d2f2f7aa3 [2022-11-02 20:11:37,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:11:37,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:11:37,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:11:37,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:11:38,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:11:38,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:11:37" (1/1) ... [2022-11-02 20:11:38,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e31aa63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38, skipping insertion in model container [2022-11-02 20:11:38,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:11:37" (1/1) ... [2022-11-02 20:11:38,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:11:38,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:11:38,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:11:38,739 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:11:38,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:11:38,863 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:11:38,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38 WrapperNode [2022-11-02 20:11:38,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:11:38,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:11:38,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:11:38,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:11:38,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,920 INFO L138 Inliner]: procedures = 265, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2022-11-02 20:11:38,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:11:38,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:11:38,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:11:38,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:11:38,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,946 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:11:38,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:11:38,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:11:38,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:11:38,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (1/1) ... [2022-11-02 20:11:38,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:11:38,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:11:39,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:11:39,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:11:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:11:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:11:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:11:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-02 20:11:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-02 20:11:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:11:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:11:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:11:39,066 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 20:11:39,325 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:11:39,327 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:11:39,582 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:11:39,591 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:11:39,591 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:11:39,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:11:39 BoogieIcfgContainer [2022-11-02 20:11:39,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:11:39,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:11:39,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:11:39,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:11:39,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:11:37" (1/3) ... [2022-11-02 20:11:39,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad907d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:11:39, skipping insertion in model container [2022-11-02 20:11:39,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:38" (2/3) ... [2022-11-02 20:11:39,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad907d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:11:39, skipping insertion in model container [2022-11-02 20:11:39,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:11:39" (3/3) ... [2022-11-02 20:11:39,607 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_28-base_nr.i [2022-11-02 20:11:39,619 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:11:39,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:11:39,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-02 20:11:39,633 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:11:39,707 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:11:39,762 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:11:39,781 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 71 transitions, 147 flow [2022-11-02 20:11:39,791 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 71 transitions, 147 flow [2022-11-02 20:11:39,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 71 transitions, 147 flow [2022-11-02 20:11:39,875 INFO L130 PetriNetUnfolder]: 0/70 cut-off events. [2022-11-02 20:11:39,875 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:11:39,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 70 events. 0/70 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. 0/68 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-02 20:11:39,883 INFO L118 LiptonReduction]: Number of co-enabled transitions 768 [2022-11-02 20:11:44,305 INFO L133 LiptonReduction]: Checked pairs total: 1493 [2022-11-02 20:11:44,306 INFO L135 LiptonReduction]: Total number of compositions: 60 [2022-11-02 20:11:44,316 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 19 places, 15 transitions, 35 flow [2022-11-02 20:11:44,333 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 44 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 43 states have internal predecessors, (73), 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) [2022-11-02 20:11:44,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:11:44,363 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=FINITE_AUTOMATA, 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;@55dcbb9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:11:44,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-02 20:11:44,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 43 states have internal predecessors, (73), 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) [2022-11-02 20:11:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-02 20:11:44,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:11:44,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:11:44,375 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)] === [2022-11-02 20:11:44,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:44,381 INFO L85 PathProgramCache]: Analyzing trace with hash -983726166, now seen corresponding path program 1 times [2022-11-02 20:11:44,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:44,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596174130] [2022-11-02 20:11:44,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:44,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:11:44,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:11:44,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596174130] [2022-11-02 20:11:44,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596174130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:44,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:44,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:11:44,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594910862] [2022-11-02 20:11:44,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:44,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:11:44,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:11:44,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:11:44,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:11:44,785 INFO L87 Difference]: Start difference. First operand has 44 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 43 states have internal predecessors, (73), 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-02 20:11:44,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:44,838 INFO L93 Difference]: Finished difference Result 32 states and 51 transitions. [2022-11-02 20:11:44,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:11:44,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2022-11-02 20:11:44,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:11:44,849 INFO L225 Difference]: With dead ends: 32 [2022-11-02 20:11:44,850 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:11:44,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:11:44,857 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:11:44,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:11:44,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:11:44,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:11:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-02 20:11:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:11:44,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-11-02 20:11:44,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:11:44,889 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:11:44,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-02 20:11:44,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:11:44,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:11:44,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2022-11-02 20:11:44,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-02 20:11:44,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-02 20:11:44,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-02 20:11:44,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-02 20:11:44,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:11:44,905 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-02 20:11:44,911 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:11:44,912 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:11:44,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:11:44 BasicIcfg [2022-11-02 20:11:44,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:11:44,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:11:44,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:11:44,920 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:11:44,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:11:39" (3/4) ... [2022-11-02 20:11:44,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:11:44,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-02 20:11:44,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-02 20:11:44,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:11:44,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:11:44,997 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:11:45,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:11:45,002 INFO L158 Benchmark]: Toolchain (without parser) took 7007.30ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 79.2MB in the beginning and 87.4MB in the end (delta: -8.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:11:45,003 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:11:45,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.81ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 74.9MB in the end (delta: 4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:11:45,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.09ms. Allocated memory is still 115.3MB. Free memory was 74.9MB in the beginning and 72.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:11:45,007 INFO L158 Benchmark]: Boogie Preprocessor took 29.37ms. Allocated memory is still 115.3MB. Free memory was 72.2MB in the beginning and 70.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:11:45,008 INFO L158 Benchmark]: RCFGBuilder took 643.37ms. Allocated memory is still 115.3MB. Free memory was 70.7MB in the beginning and 58.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:11:45,011 INFO L158 Benchmark]: TraceAbstraction took 5320.79ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 57.6MB in the beginning and 89.5MB in the end (delta: -32.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:11:45,011 INFO L158 Benchmark]: Witness Printer took 82.07ms. Allocated memory is still 140.5MB. Free memory was 89.5MB in the beginning and 87.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:11:45,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 86.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.81ms. Allocated memory is still 115.3MB. Free memory was 79.2MB in the beginning and 74.9MB in the end (delta: 4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.09ms. Allocated memory is still 115.3MB. Free memory was 74.9MB in the beginning and 72.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.37ms. Allocated memory is still 115.3MB. Free memory was 72.2MB in the beginning and 70.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.37ms. Allocated memory is still 115.3MB. Free memory was 70.7MB in the beginning and 58.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5320.79ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 57.6MB in the beginning and 89.5MB in the end (delta: -32.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.07ms. Allocated memory is still 140.5MB. Free memory was 89.5MB in the beginning and 87.4MB 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: 4.5s, 75 PlacesBefore, 19 PlacesAfterwards, 71 TransitionsBefore, 15 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 60 TotalNumberOfCompositions, 1493 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 823, positive: 690, positive conditional: 0, positive unconditional: 690, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 522, positive: 485, positive conditional: 0, positive unconditional: 485, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 522, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 260, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 195, negative conditional: 0, negative unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 823, positive: 205, positive conditional: 0, positive unconditional: 205, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 522, unknown conditional: 0, unknown unconditional: 522] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 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, 98 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 9 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=44occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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! [2022-11-02 20:11:45,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2684532e-e2cd-4872-b0a1-ce1052b67977/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