./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.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_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/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_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/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_4a020278-2675-4195-90c0-39f4fdd30894/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 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 --- 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 21:07:15,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:07:15,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:07:15,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:07:15,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:07:15,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:07:15,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:07:15,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:07:15,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:07:15,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:07:15,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:07:15,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:07:15,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:07:15,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:07:15,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:07:15,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:07:15,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:07:15,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:07:15,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:07:15,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:07:15,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:07:15,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:07:15,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:07:15,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:07:15,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:07:15,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:07:15,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:07:15,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:07:15,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:07:15,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:07:15,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:07:15,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:07:15,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:07:15,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:07:15,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:07:15,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:07:15,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:07:15,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:07:15,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:07:15,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:07:15,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:07:15,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 21:07:15,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:07:15,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:07:15,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:07:15,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:07:15,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:07:15,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:07:15,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:07:15,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:07:15,992 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:07:15,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:07:15,993 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:07:15,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:07:15,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:07:15,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:07:15,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:07:15,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:07:15,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:07:15,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:07:15,995 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 21:07:15,995 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:07:15,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:07:15,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:07:15,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:07:15,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:07:15,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:07:15,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:07:15,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:07:15,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:07:15,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:07:15,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:07:15,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:07:15,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:07:15,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:07:16,000 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_4a020278-2675-4195-90c0-39f4fdd30894/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 [2022-11-02 21:07:16,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:07:16,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:07:16,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:07:16,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:07:16,307 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:07:16,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2022-11-02 21:07:16,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/data/2a485b265/15bd05a7d6454d7ab7b21875f95cecc1/FLAG76b910887 [2022-11-02 21:07:16,901 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:07:16,906 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2022-11-02 21:07:16,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/data/2a485b265/15bd05a7d6454d7ab7b21875f95cecc1/FLAG76b910887 [2022-11-02 21:07:17,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/data/2a485b265/15bd05a7d6454d7ab7b21875f95cecc1 [2022-11-02 21:07:17,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:07:17,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:07:17,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:17,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:07:17,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:07:17,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0b970a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17, skipping insertion in model container [2022-11-02 21:07:17,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:07:17,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:07:17,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i[1097,1110] [2022-11-02 21:07:17,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:17,776 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:07:17,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i[1097,1110] [2022-11-02 21:07:17,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:07:17,880 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:07:17,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17 WrapperNode [2022-11-02 21:07:17,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:07:17,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:17,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:07:17,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:07:17,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,948 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-02 21:07:17,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:07:17,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:07:17,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:07:17,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:07:17,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,984 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:07:17,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:07:17,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:07:17,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:07:17,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (1/1) ... [2022-11-02 21:07:17,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:07:18,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:18,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:07:18,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:07:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:07:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:07:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 21:07:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:07:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:07:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-02 21:07:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-02 21:07:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:07:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:07:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:07:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:07:18,075 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 21:07:18,219 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:07:18,220 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:07:18,397 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:07:18,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:07:18,404 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:07:18,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:18 BoogieIcfgContainer [2022-11-02 21:07:18,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:07:18,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:07:18,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:07:18,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:07:18,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:07:17" (1/3) ... [2022-11-02 21:07:18,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49af1ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:07:18, skipping insertion in model container [2022-11-02 21:07:18,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:07:17" (2/3) ... [2022-11-02 21:07:18,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49af1ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:07:18, skipping insertion in model container [2022-11-02 21:07:18,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:18" (3/3) ... [2022-11-02 21:07:18,415 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2022-11-02 21:07:18,423 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:07:18,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:07:18,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-02 21:07:18,434 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:07:18,530 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-02 21:07:18,563 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 21:07:18,577 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 88 transitions, 184 flow [2022-11-02 21:07:18,580 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 88 transitions, 184 flow [2022-11-02 21:07:18,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 88 transitions, 184 flow [2022-11-02 21:07:18,654 INFO L130 PetriNetUnfolder]: 1/87 cut-off events. [2022-11-02 21:07:18,654 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 21:07:18,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 87 events. 1/87 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-11-02 21:07:18,659 INFO L118 LiptonReduction]: Number of co-enabled transitions 1092 [2022-11-02 21:07:22,325 INFO L133 LiptonReduction]: Checked pairs total: 3928 [2022-11-02 21:07:22,325 INFO L135 LiptonReduction]: Total number of compositions: 78 [2022-11-02 21:07:22,334 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 25 transitions, 58 flow [2022-11-02 21:07:22,352 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 82 states, 77 states have (on average 2.0) internal successors, (154), 81 states have internal predecessors, (154), 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 21:07:22,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:07:22,376 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;@2a88d7bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:07:22,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-02 21:07:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 77 states have (on average 2.0) internal successors, (154), 81 states have internal predecessors, (154), 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 21:07:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-02 21:07:22,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:22,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-02 21:07:22,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-02 21:07:22,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:22,390 INFO L85 PathProgramCache]: Analyzing trace with hash 9622257, now seen corresponding path program 1 times [2022-11-02 21:07:22,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:22,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740786923] [2022-11-02 21:07:22,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:22,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:22,707 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 21:07:22,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:22,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740786923] [2022-11-02 21:07:22,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740786923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:22,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:22,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 21:07:22,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514569276] [2022-11-02 21:07:22,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:22,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:22,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:22,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:22,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:22,748 INFO L87 Difference]: Start difference. First operand has 82 states, 77 states have (on average 2.0) internal successors, (154), 81 states have internal predecessors, (154), 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 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 21:07:22,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:22,813 INFO L93 Difference]: Finished difference Result 66 states and 114 transitions. [2022-11-02 21:07:22,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:22,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-02 21:07:22,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:22,824 INFO L225 Difference]: With dead ends: 66 [2022-11-02 21:07:22,825 INFO L226 Difference]: Without dead ends: 58 [2022-11-02 21:07:22,826 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 21:07:22,830 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:22,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:07:22,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-02 21:07:22,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-02 21:07:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 56 states have (on average 1.7678571428571428) internal successors, (99), 57 states have internal predecessors, (99), 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 21:07:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 99 transitions. [2022-11-02 21:07:22,868 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 99 transitions. Word has length 4 [2022-11-02 21:07:22,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:22,869 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 99 transitions. [2022-11-02 21:07:22,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 21:07:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 99 transitions. [2022-11-02 21:07:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-02 21:07:22,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:22,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:22,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:07:22,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-02 21:07:22,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:22,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1105712812, now seen corresponding path program 1 times [2022-11-02 21:07:22,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:22,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937662779] [2022-11-02 21:07:22,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:22,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:23,051 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 21:07:23,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:23,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937662779] [2022-11-02 21:07:23,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937662779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:23,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:23,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:07:23,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485512309] [2022-11-02 21:07:23,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:23,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:07:23,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:23,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:07:23,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:07:23,059 INFO L87 Difference]: Start difference. First operand 58 states and 99 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 21:07:23,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:23,124 INFO L93 Difference]: Finished difference Result 50 states and 84 transitions. [2022-11-02 21:07:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:07:23,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2022-11-02 21:07:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:23,127 INFO L225 Difference]: With dead ends: 50 [2022-11-02 21:07:23,127 INFO L226 Difference]: Without dead ends: 50 [2022-11-02 21:07:23,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:23,136 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 25 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:23,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 7 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:07:23,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-02 21:07:23,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-02 21:07:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.7142857142857142) internal successors, (84), 49 states have internal predecessors, (84), 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 21:07:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 84 transitions. [2022-11-02 21:07:23,153 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 84 transitions. Word has length 7 [2022-11-02 21:07:23,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:23,153 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 84 transitions. [2022-11-02 21:07:23,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 21:07:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2022-11-02 21:07:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-02 21:07:23,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:23,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:23,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:07:23,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-11-02 21:07:23,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:23,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1105712805, now seen corresponding path program 1 times [2022-11-02 21:07:23,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:23,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995902827] [2022-11-02 21:07:23,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:23,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:23,248 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 21:07:23,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:23,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995902827] [2022-11-02 21:07:23,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995902827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:23,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:23,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:07:23,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101563147] [2022-11-02 21:07:23,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:23,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:07:23,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:23,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:07:23,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:07:23,251 INFO L87 Difference]: Start difference. First operand 50 states and 84 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 21:07:23,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:23,302 INFO L93 Difference]: Finished difference Result 42 states and 69 transitions. [2022-11-02 21:07:23,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:07:23,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2022-11-02 21:07:23,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:23,303 INFO L225 Difference]: With dead ends: 42 [2022-11-02 21:07:23,303 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:07:23,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:23,304 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 22 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:23,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:07:23,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:07:23,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:07:23,306 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 21:07:23,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:07:23,306 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2022-11-02 21:07:23,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:23,306 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:07:23,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 21:07:23,307 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:07:23,307 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:07:23,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2022-11-02 21:07:23,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2022-11-02 21:07:23,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2022-11-02 21:07:23,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2022-11-02 21:07:23,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining) [2022-11-02 21:07:23,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2022-11-02 21:07:23,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2022-11-02 21:07:23,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2022-11-02 21:07:23,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2022-11-02 21:07:23,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:07:23,314 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 21:07:23,318 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:07:23,318 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:07:23,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:07:23 BasicIcfg [2022-11-02 21:07:23,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:07:23,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:07:23,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:07:23,322 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:07:23,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:07:18" (3/4) ... [2022-11-02 21:07:23,325 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:07:23,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-02 21:07:23,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-02 21:07:23,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 21:07:23,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:07:23,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:07:23,364 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:07:23,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:07:23,365 INFO L158 Benchmark]: Toolchain (without parser) took 6139.78ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 68.1MB in the beginning and 69.9MB in the end (delta: -1.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-02 21:07:23,366 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:07:23,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.78ms. Allocated memory is still 107.0MB. Free memory was 67.9MB in the beginning and 73.3MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:07:23,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.74ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 71.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:07:23,367 INFO L158 Benchmark]: Boogie Preprocessor took 37.48ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 69.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:07:23,367 INFO L158 Benchmark]: RCFGBuilder took 418.71ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 56.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-02 21:07:23,367 INFO L158 Benchmark]: TraceAbstraction took 4913.48ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 55.7MB in the beginning and 73.0MB in the end (delta: -17.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-02 21:07:23,368 INFO L158 Benchmark]: Witness Printer took 42.96ms. Allocated memory is still 136.3MB. Free memory was 73.0MB in the beginning and 69.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:07:23,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.78ms. Allocated memory is still 107.0MB. Free memory was 67.9MB in the beginning and 73.3MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.74ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 71.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.48ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 69.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 418.71ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 56.5MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4913.48ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 55.7MB in the beginning and 73.0MB in the end (delta: -17.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 42.96ms. Allocated memory is still 136.3MB. Free memory was 73.0MB in the beginning and 69.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 91 PlacesBefore, 28 PlacesAfterwards, 88 TransitionsBefore, 25 TransitionsAfterwards, 1092 CoEnabledTransitionPairs, 9 FixpointIterations, 36 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 78 TotalNumberOfCompositions, 3928 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1751, positive: 1449, positive conditional: 0, positive unconditional: 1449, negative: 302, negative conditional: 0, negative unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 807, positive: 759, positive conditional: 0, positive unconditional: 759, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 807, positive: 693, positive conditional: 0, positive unconditional: 693, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 114, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 261, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1751, positive: 690, positive conditional: 0, positive unconditional: 690, negative: 254, negative conditional: 0, negative unconditional: 254, unknown: 807, unknown conditional: 0, unknown unconditional: 807] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - 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: 687]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 687]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 690]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 690]: 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, 116 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 21:07:23,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a020278-2675-4195-90c0-39f4fdd30894/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