./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix002.opt.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_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/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_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix002.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/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_62195c15-bc67-414b-96e3-aa960eb308fa/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 dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 --- 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 21:09:29,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:09:29,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:09:29,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:09:29,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:09:29,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:09:29,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:09:29,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:09:29,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:09:29,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:09:29,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:09:29,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:09:29,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:09:29,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:09:29,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:09:29,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:09:29,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:09:29,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:09:29,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:09:29,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:09:29,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:09:29,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:09:29,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:09:29,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:09:29,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:09:29,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:09:29,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:09:29,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:09:29,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:09:29,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:09:29,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:09:29,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:09:29,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:09:29,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:09:29,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:09:29,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:09:29,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:09:29,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:09:29,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:09:29,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:09:29,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:09:29,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 21:09:29,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:09:29,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:09:29,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:09:29,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:09:29,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:09:29,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:09:29,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:09:29,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:09:29,340 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:09:29,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:09:29,341 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:09:29,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:09:29,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:09:29,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:09:29,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:09:29,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:09:29,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:09:29,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:09:29,342 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 21:09:29,342 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:09:29,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:09:29,343 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:09:29,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:09:29,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:09:29,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:09:29,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:09:29,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:09:29,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:09:29,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:09:29,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:09:29,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:09:29,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:09:29,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:09:29,350 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_62195c15-bc67-414b-96e3-aa960eb308fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 [2022-11-02 21:09:29,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:09:29,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:09:29,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:09:29,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:09:29,697 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:09:29,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/mix002.opt.i [2022-11-02 21:09:29,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/data/587fd2ae0/9aede108d8064b79a81a26549386ac4a/FLAG0823477bb [2022-11-02 21:09:30,325 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:09:30,326 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/sv-benchmarks/c/pthread-wmm/mix002.opt.i [2022-11-02 21:09:30,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/data/587fd2ae0/9aede108d8064b79a81a26549386ac4a/FLAG0823477bb [2022-11-02 21:09:30,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/data/587fd2ae0/9aede108d8064b79a81a26549386ac4a [2022-11-02 21:09:30,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:09:30,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:09:30,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:09:30,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:09:30,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:09:30,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:09:30" (1/1) ... [2022-11-02 21:09:30,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf15168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:30, skipping insertion in model container [2022-11-02 21:09:30,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:09:30" (1/1) ... [2022-11-02 21:09:30,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:09:30,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:09:30,880 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_62195c15-bc67-414b-96e3-aa960eb308fa/sv-benchmarks/c/pthread-wmm/mix002.opt.i[944,957] [2022-11-02 21:09:31,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:09:31,217 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:09:31,232 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_62195c15-bc67-414b-96e3-aa960eb308fa/sv-benchmarks/c/pthread-wmm/mix002.opt.i[944,957] [2022-11-02 21:09:31,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:09:31,339 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:09:31,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31 WrapperNode [2022-11-02 21:09:31,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:09:31,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:09:31,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:09:31,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:09:31,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,435 INFO L138 Inliner]: procedures = 176, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 285 [2022-11-02 21:09:31,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:09:31,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:09:31,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:09:31,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:09:31,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,500 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:09:31,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:09:31,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:09:31,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:09:31,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (1/1) ... [2022-11-02 21:09:31,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:09:31,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:09:31,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:09:31,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:09:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:09:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 21:09:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:09:31,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:09:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:09:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-02 21:09:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-02 21:09:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-02 21:09:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-02 21:09:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-02 21:09:31,620 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-02 21:09:31,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:09:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 21:09:31,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:09:31,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:09:31,623 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 21:09:31,801 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:09:31,803 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:09:32,524 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:09:33,063 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:09:33,063 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:09:33,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:33 BoogieIcfgContainer [2022-11-02 21:09:33,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:09:33,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:09:33,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:09:33,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:09:33,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:09:30" (1/3) ... [2022-11-02 21:09:33,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e193476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:33, skipping insertion in model container [2022-11-02 21:09:33,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:31" (2/3) ... [2022-11-02 21:09:33,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e193476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:33, skipping insertion in model container [2022-11-02 21:09:33,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:33" (3/3) ... [2022-11-02 21:09:33,079 INFO L112 eAbstractionObserver]: Analyzing ICFG mix002.opt.i [2022-11-02 21:09:33,089 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:09:33,101 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:09:33,101 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-02 21:09:33,101 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:09:33,223 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 21:09:33,283 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 21:09:33,302 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 126 transitions, 267 flow [2022-11-02 21:09:33,311 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 126 transitions, 267 flow [2022-11-02 21:09:33,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 126 transitions, 267 flow [2022-11-02 21:09:33,391 INFO L130 PetriNetUnfolder]: 2/123 cut-off events. [2022-11-02 21:09:33,391 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:09:33,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 123 events. 2/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2022-11-02 21:09:33,399 INFO L118 LiptonReduction]: Number of co-enabled transitions 2822 [2022-11-02 21:09:45,980 INFO L133 LiptonReduction]: Checked pairs total: 9576 [2022-11-02 21:09:45,981 INFO L135 LiptonReduction]: Total number of compositions: 111 [2022-11-02 21:09:45,996 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 31 transitions, 77 flow [2022-11-02 21:09:46,118 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1438 states, 1412 states have (on average 3.5594900849858355) internal successors, (5026), 1437 states have internal predecessors, (5026), 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 21:09:46,140 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:09:46,149 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;@5cd8ab4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:09:46,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-02 21:09:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 1438 states, 1412 states have (on average 3.5594900849858355) internal successors, (5026), 1437 states have internal predecessors, (5026), 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 21:09:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-02 21:09:46,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:46,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-02 21:09:46,164 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 21:09:46,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:46,168 INFO L85 PathProgramCache]: Analyzing trace with hash 40496522, now seen corresponding path program 1 times [2022-11-02 21:09:46,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:46,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045771268] [2022-11-02 21:09:46,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:46,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,510 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 21:09:46,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:46,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045771268] [2022-11-02 21:09:46,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045771268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:46,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:46,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 21:09:46,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202004595] [2022-11-02 21:09:46,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:46,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:09:46,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:46,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:09:46,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:09:46,554 INFO L87 Difference]: Start difference. First operand has 1438 states, 1412 states have (on average 3.5594900849858355) internal successors, (5026), 1437 states have internal predecessors, (5026), 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 21:09:46,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:46,724 INFO L93 Difference]: Finished difference Result 798 states and 2325 transitions. [2022-11-02 21:09:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:09:46,727 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 21:09:46,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:46,757 INFO L225 Difference]: With dead ends: 798 [2022-11-02 21:09:46,757 INFO L226 Difference]: Without dead ends: 798 [2022-11-02 21:09:46,758 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 21:09:46,761 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 15 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:46,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 7 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:09:46,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2022-11-02 21:09:46,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 798. [2022-11-02 21:09:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 780 states have (on average 2.980769230769231) internal successors, (2325), 797 states have internal predecessors, (2325), 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 21:09:46,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 2325 transitions. [2022-11-02 21:09:46,887 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 2325 transitions. Word has length 4 [2022-11-02 21:09:46,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:46,887 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 2325 transitions. [2022-11-02 21:09:46,887 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 21:09:46,887 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 2325 transitions. [2022-11-02 21:09:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-02 21:09:46,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:46,889 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:46,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:09:46,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 21:09:46,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:46,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1430396167, now seen corresponding path program 1 times [2022-11-02 21:09:46,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:46,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710422325] [2022-11-02 21:09:46,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:46,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:47,104 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 21:09:47,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:47,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710422325] [2022-11-02 21:09:47,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710422325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:47,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:47,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:09:47,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863467870] [2022-11-02 21:09:47,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:47,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:09:47,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:47,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:09:47,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:09:47,108 INFO L87 Difference]: Start difference. First operand 798 states and 2325 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 21:09:47,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:47,267 INFO L93 Difference]: Finished difference Result 650 states and 1933 transitions. [2022-11-02 21:09:47,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:09:47,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-11-02 21:09:47,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:47,273 INFO L225 Difference]: With dead ends: 650 [2022-11-02 21:09:47,273 INFO L226 Difference]: Without dead ends: 650 [2022-11-02 21:09:47,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:09:47,275 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 29 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:47,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 8 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:09:47,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2022-11-02 21:09:47,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2022-11-02 21:09:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 644 states have (on average 3.001552795031056) internal successors, (1933), 649 states have internal predecessors, (1933), 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 21:09:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1933 transitions. [2022-11-02 21:09:47,348 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1933 transitions. Word has length 10 [2022-11-02 21:09:47,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:47,348 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 1933 transitions. [2022-11-02 21:09:47,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 21:09:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1933 transitions. [2022-11-02 21:09:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 21:09:47,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:47,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:47,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:09:47,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 21:09:47,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:47,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1392609398, now seen corresponding path program 1 times [2022-11-02 21:09:47,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:47,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800692232] [2022-11-02 21:09:47,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:47,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:47,494 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 21:09:47,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:47,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800692232] [2022-11-02 21:09:47,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800692232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:47,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:47,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:09:47,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518177372] [2022-11-02 21:09:47,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:47,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:09:47,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:47,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:09:47,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:09:47,497 INFO L87 Difference]: Start difference. First operand 650 states and 1933 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 21:09:47,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:47,620 INFO L93 Difference]: Finished difference Result 538 states and 1628 transitions. [2022-11-02 21:09:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:09:47,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2022-11-02 21:09:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:47,624 INFO L225 Difference]: With dead ends: 538 [2022-11-02 21:09:47,625 INFO L226 Difference]: Without dead ends: 538 [2022-11-02 21:09:47,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:09:47,626 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 31 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:47,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 9 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:09:47,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-11-02 21:09:47,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2022-11-02 21:09:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 535 states have (on average 3.0429906542056075) internal successors, (1628), 537 states have internal predecessors, (1628), 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 21:09:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1628 transitions. [2022-11-02 21:09:47,649 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1628 transitions. Word has length 11 [2022-11-02 21:09:47,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:47,649 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 1628 transitions. [2022-11-02 21:09:47,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 21:09:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1628 transitions. [2022-11-02 21:09:47,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-02 21:09:47,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:47,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:47,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:09:47,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 21:09:47,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:47,656 INFO L85 PathProgramCache]: Analyzing trace with hash 161236504, now seen corresponding path program 1 times [2022-11-02 21:09:47,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:47,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175433755] [2022-11-02 21:09:47,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:47,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:47,968 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 21:09:47,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:47,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175433755] [2022-11-02 21:09:47,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175433755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:47,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:47,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:09:47,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601233175] [2022-11-02 21:09:47,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:47,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:09:47,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:47,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:09:47,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:09:47,982 INFO L87 Difference]: Start difference. First operand 538 states and 1628 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 21:09:48,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:48,111 INFO L93 Difference]: Finished difference Result 526 states and 1607 transitions. [2022-11-02 21:09:48,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:09:48,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2022-11-02 21:09:48,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:48,113 INFO L225 Difference]: With dead ends: 526 [2022-11-02 21:09:48,113 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:09:48,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:09:48,114 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 52 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:48,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 6 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:09:48,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:09:48,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:09:48,116 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 21:09:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:09:48,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-11-02 21:09:48,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:48,116 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:09:48,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 21:09:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:09:48,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:09:48,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-02 21:09:48,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-02 21:09:48,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-02 21:09:48,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-02 21:09:48,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-02 21:09:48,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-02 21:09:48,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-02 21:09:48,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-02 21:09:48,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-02 21:09:48,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-02 21:09:48,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-02 21:09:48,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-02 21:09:48,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-02 21:09:48,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-02 21:09:48,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-02 21:09:48,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:09:48,130 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-02 21:09:48,134 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:09:48,134 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:09:48,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:09:48 BasicIcfg [2022-11-02 21:09:48,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:09:48,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:09:48,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:09:48,140 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:09:48,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:33" (3/4) ... [2022-11-02 21:09:48,142 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:09:48,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-02 21:09:48,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-02 21:09:48,147 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-02 21:09:48,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2022-11-02 21:09:48,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-02 21:09:48,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 21:09:48,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:09:48,189 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:09:48,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:09:48,190 INFO L158 Benchmark]: Toolchain (without parser) took 17587.68ms. Allocated memory was 115.3MB in the beginning and 218.1MB in the end (delta: 102.8MB). Free memory was 74.4MB in the beginning and 83.5MB in the end (delta: -9.1MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2022-11-02 21:09:48,190 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:09:48,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.71ms. Allocated memory is still 115.3MB. Free memory was 74.2MB in the beginning and 76.0MB in the end (delta: -1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:09:48,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.64ms. Allocated memory is still 115.3MB. Free memory was 76.0MB in the beginning and 72.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:09:48,191 INFO L158 Benchmark]: Boogie Preprocessor took 74.83ms. Allocated memory is still 115.3MB. Free memory was 72.8MB in the beginning and 70.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:09:48,192 INFO L158 Benchmark]: RCFGBuilder took 1548.71ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 70.3MB in the beginning and 105.7MB in the end (delta: -35.4MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-11-02 21:09:48,192 INFO L158 Benchmark]: TraceAbstraction took 15068.82ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 104.6MB in the beginning and 87.7MB in the end (delta: 17.0MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2022-11-02 21:09:48,192 INFO L158 Benchmark]: Witness Printer took 50.33ms. Allocated memory is still 218.1MB. Free memory was 87.7MB in the beginning and 83.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:09:48,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.71ms. Allocated memory is still 115.3MB. Free memory was 74.2MB in the beginning and 76.0MB in the end (delta: -1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.64ms. Allocated memory is still 115.3MB. Free memory was 76.0MB in the beginning and 72.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.83ms. Allocated memory is still 115.3MB. Free memory was 72.8MB in the beginning and 70.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1548.71ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 70.3MB in the beginning and 105.7MB in the end (delta: -35.4MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15068.82ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 104.6MB in the beginning and 87.7MB in the end (delta: 17.0MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * Witness Printer took 50.33ms. Allocated memory is still 218.1MB. Free memory was 87.7MB in the beginning and 83.5MB in the end (delta: 4.2MB). 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: 12.7s, 134 PlacesBefore, 40 PlacesAfterwards, 126 TransitionsBefore, 31 TransitionsAfterwards, 2822 CoEnabledTransitionPairs, 8 FixpointIterations, 46 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 111 TotalNumberOfCompositions, 9576 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4416, positive: 4126, positive conditional: 0, positive unconditional: 4126, negative: 290, negative conditional: 0, negative unconditional: 290, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2101, positive: 2035, positive conditional: 0, positive unconditional: 2035, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2101, positive: 1998, positive conditional: 0, positive unconditional: 1998, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 761, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 651, negative conditional: 0, negative unconditional: 651, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4416, positive: 2091, positive conditional: 0, positive unconditional: 2091, negative: 224, negative conditional: 0, negative unconditional: 224, unknown: 2101, unknown conditional: 0, unknown unconditional: 2101] , Statistics on independence cache: Total cache size (in pairs): 251, Positive cache size: 220, Positive conditional cache size: 0, Positive unconditional cache size: 220, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - 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: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 798]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 798]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: 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 7 procedures, 160 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 16 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1438occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 21:09:48,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62195c15-bc67-414b-96e3-aa960eb308fa/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