./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --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_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/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_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/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_a699c96a-cc30-4e1d-971e-46c14c0547c8/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 cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:41:56,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:41:56,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:41:56,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:41:56,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:41:56,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:41:56,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:41:56,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:41:56,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:41:56,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:41:56,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:41:56,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:41:56,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:41:56,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:41:56,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:41:56,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:41:56,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:41:56,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:41:56,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:41:56,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:41:56,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:41:56,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:41:56,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:41:56,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:41:56,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:41:56,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:41:56,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:41:56,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:41:56,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:41:56,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:41:56,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:41:56,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:41:56,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:41:56,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:41:56,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:41:56,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:41:56,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:41:56,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:41:56,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:41:56,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:41:56,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:41:56,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:41:56,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:41:56,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:41:56,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:41:56,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:41:56,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:41:56,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:41:56,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:41:56,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:41:56,291 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:41:56,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:41:56,292 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:41:56,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:41:56,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:41:56,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:41:56,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:41:56,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:41:56,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:41:56,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:41:56,294 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:41:56,294 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:41:56,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:41:56,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:41:56,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:41:56,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:41:56,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:41:56,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:41:56,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:41:56,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:41:56,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:41:56,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:41:56,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:41:56,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:41:56,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:41:56,299 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_a699c96a-cc30-4e1d-971e-46c14c0547c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa53b3a6eade068c4346d28766037c8d26fae61c62dd4c8f6fc2f9d68567d2c [2022-11-02 20:41:56,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:41:56,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:41:56,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:41:56,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:41:56,651 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:41:56,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-11-02 20:41:56,721 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/data/375eac226/6467953d098e40c796e02e029909b415/FLAG32bd3e9da [2022-11-02 20:41:57,235 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:41:57,236 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2022-11-02 20:41:57,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/data/375eac226/6467953d098e40c796e02e029909b415/FLAG32bd3e9da [2022-11-02 20:41:57,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/data/375eac226/6467953d098e40c796e02e029909b415 [2022-11-02 20:41:57,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:41:57,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:41:57,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:57,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:41:57,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:41:57,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638eddf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57, skipping insertion in model container [2022-11-02 20:41:57,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:41:57,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:41:57,866 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_a699c96a-cc30-4e1d-971e-46c14c0547c8/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-11-02 20:41:57,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:57,878 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:41:57,899 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_a699c96a-cc30-4e1d-971e-46c14c0547c8/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2303,2316] [2022-11-02 20:41:57,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:57,916 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:41:57,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57 WrapperNode [2022-11-02 20:41:57,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:57,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:57,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:41:57,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:41:57,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,958 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 158 [2022-11-02 20:41:57,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:57,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:41:57,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:41:57,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:41:57,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:57,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:41:57,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:41:57,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:41:57,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:41:57,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (1/1) ... [2022-11-02 20:41:58,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:41:58,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:58,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:41:58,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:41:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:41:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:41:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:41:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:41:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:41:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:41:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:41:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:41:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:41:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:41:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:41:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:41:58,107 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:41:58,214 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:41:58,217 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:41:58,756 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:41:58,766 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:41:58,766 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:41:58,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:58 BoogieIcfgContainer [2022-11-02 20:41:58,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:41:58,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:41:58,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:41:58,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:41:58,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:41:57" (1/3) ... [2022-11-02 20:41:58,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e075f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:58, skipping insertion in model container [2022-11-02 20:41:58,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:57" (2/3) ... [2022-11-02 20:41:58,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e075f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:58, skipping insertion in model container [2022-11-02 20:41:58,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:58" (3/3) ... [2022-11-02 20:41:58,780 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c [2022-11-02 20:41:58,790 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:41:58,802 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:41:58,802 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-02 20:41:58,803 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:41:58,909 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-02 20:41:58,950 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:41:58,967 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 219 transitions, 454 flow [2022-11-02 20:41:58,970 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 219 transitions, 454 flow [2022-11-02 20:41:58,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 219 transitions, 454 flow [2022-11-02 20:41:59,093 INFO L130 PetriNetUnfolder]: 17/217 cut-off events. [2022-11-02 20:41:59,094 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-02 20:41:59,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 217 events. 17/217 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 459 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 145. Up to 2 conditions per place. [2022-11-02 20:41:59,111 INFO L118 LiptonReduction]: Number of co-enabled transitions 10988 [2022-11-02 20:42:12,041 INFO L133 LiptonReduction]: Checked pairs total: 10514 [2022-11-02 20:42:12,041 INFO L135 LiptonReduction]: Total number of compositions: 290 [2022-11-02 20:42:12,057 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 25 transitions, 66 flow [2022-11-02 20:42:12,091 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 158 states, 110 states have (on average 3.1) internal successors, (341), 157 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:42:12,113 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;@9641eff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:42:12,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-11-02 20:42:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 110 states have (on average 3.1) internal successors, (341), 157 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-02 20:42:12,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:12,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-02 20:42:12,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-11-02 20:42:12,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:12,129 INFO L85 PathProgramCache]: Analyzing trace with hash 923179, now seen corresponding path program 1 times [2022-11-02 20:42:12,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:12,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182595864] [2022-11-02 20:42:12,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:12,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:12,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:12,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182595864] [2022-11-02 20:42:12,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182595864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:12,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:12,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:42:12,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649406721] [2022-11-02 20:42:12,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:12,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:42:12,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:12,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:42:12,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:42:12,323 INFO L87 Difference]: Start difference. First operand has 158 states, 110 states have (on average 3.1) internal successors, (341), 157 states have internal predecessors, (341), 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 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:12,375 INFO L93 Difference]: Finished difference Result 94 states and 193 transitions. [2022-11-02 20:42:12,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:42:12,377 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-02 20:42:12,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:12,387 INFO L225 Difference]: With dead ends: 94 [2022-11-02 20:42:12,388 INFO L226 Difference]: Without dead ends: 94 [2022-11-02 20:42:12,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:42:12,392 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:12,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:42:12,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-02 20:42:12,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-02 20:42:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 70 states have (on average 2.757142857142857) internal successors, (193), 93 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 193 transitions. [2022-11-02 20:42:12,436 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 193 transitions. Word has length 3 [2022-11-02 20:42:12,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:12,437 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 193 transitions. [2022-11-02 20:42:12,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 193 transitions. [2022-11-02 20:42:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-02 20:42:12,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:12,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-02 20:42:12,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:42:12,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-11-02 20:42:12,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:12,440 INFO L85 PathProgramCache]: Analyzing trace with hash 923180, now seen corresponding path program 1 times [2022-11-02 20:42:12,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:12,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44691715] [2022-11-02 20:42:12,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:12,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:12,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:12,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44691715] [2022-11-02 20:42:12,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44691715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:12,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:12,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:42:12,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580152480] [2022-11-02 20:42:12,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:12,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:12,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:12,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:12,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:12,565 INFO L87 Difference]: Start difference. First operand 94 states and 193 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:12,599 INFO L93 Difference]: Finished difference Result 68 states and 134 transitions. [2022-11-02 20:42:12,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:12,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-02 20:42:12,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:12,601 INFO L225 Difference]: With dead ends: 68 [2022-11-02 20:42:12,601 INFO L226 Difference]: Without dead ends: 68 [2022-11-02 20:42:12,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:12,603 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 13 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:12,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 0 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:42:12,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-02 20:42:12,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-02 20:42:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 53 states have (on average 2.5283018867924527) internal successors, (134), 67 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 134 transitions. [2022-11-02 20:42:12,611 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 134 transitions. Word has length 3 [2022-11-02 20:42:12,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:12,611 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 134 transitions. [2022-11-02 20:42:12,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 134 transitions. [2022-11-02 20:42:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-02 20:42:12,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:12,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-02 20:42:12,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:42:12,613 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-11-02 20:42:12,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:12,614 INFO L85 PathProgramCache]: Analyzing trace with hash 923181, now seen corresponding path program 1 times [2022-11-02 20:42:12,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:12,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297286477] [2022-11-02 20:42:12,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:12,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:12,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:12,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:12,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297286477] [2022-11-02 20:42:12,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297286477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:12,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:12,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:42:12,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149055882] [2022-11-02 20:42:12,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:12,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:12,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:12,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:12,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:12,913 INFO L87 Difference]: Start difference. First operand 68 states and 134 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:12,950 INFO L93 Difference]: Finished difference Result 46 states and 85 transitions. [2022-11-02 20:42:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:12,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-02 20:42:12,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:12,951 INFO L225 Difference]: With dead ends: 46 [2022-11-02 20:42:12,952 INFO L226 Difference]: Without dead ends: 46 [2022-11-02 20:42:12,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:12,955 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 11 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:12,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 0 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:42:12,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-02 20:42:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-02 20:42:12,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 38 states have (on average 2.236842105263158) internal successors, (85), 45 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 85 transitions. [2022-11-02 20:42:12,969 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 85 transitions. Word has length 3 [2022-11-02 20:42:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:12,970 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 85 transitions. [2022-11-02 20:42:12,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-11-02 20:42:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-02 20:42:12,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:12,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-02 20:42:12,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:42:12,971 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-11-02 20:42:12,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:12,972 INFO L85 PathProgramCache]: Analyzing trace with hash 923120, now seen corresponding path program 1 times [2022-11-02 20:42:12,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:12,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334420499] [2022-11-02 20:42:12,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:12,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:13,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:13,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334420499] [2022-11-02 20:42:13,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334420499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:13,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:13,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:42:13,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866305764] [2022-11-02 20:42:13,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:13,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:13,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:13,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:13,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:13,028 INFO L87 Difference]: Start difference. First operand 46 states and 85 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:13,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:13,049 INFO L93 Difference]: Finished difference Result 28 states and 46 transitions. [2022-11-02 20:42:13,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:13,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-02 20:42:13,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:13,050 INFO L225 Difference]: With dead ends: 28 [2022-11-02 20:42:13,051 INFO L226 Difference]: Without dead ends: 28 [2022-11-02 20:42:13,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:13,052 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:13,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:42:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-02 20:42:13,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-02 20:42:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.84) internal successors, (46), 27 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 46 transitions. [2022-11-02 20:42:13,056 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 46 transitions. Word has length 3 [2022-11-02 20:42:13,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:13,056 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 46 transitions. [2022-11-02 20:42:13,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2022-11-02 20:42:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-02 20:42:13,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:42:13,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-02 20:42:13,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:42:13,058 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-11-02 20:42:13,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:13,058 INFO L85 PathProgramCache]: Analyzing trace with hash 923177, now seen corresponding path program 1 times [2022-11-02 20:42:13,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:13,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70569067] [2022-11-02 20:42:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:13,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:42:13,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:42:13,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70569067] [2022-11-02 20:42:13,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70569067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:42:13,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:42:13,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:42:13,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876122905] [2022-11-02 20:42:13,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:42:13,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:42:13,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:42:13,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:42:13,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:13,104 INFO L87 Difference]: Start difference. First operand 28 states and 46 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:13,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:42:13,121 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2022-11-02 20:42:13,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:42:13,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-02 20:42:13,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:42:13,122 INFO L225 Difference]: With dead ends: 14 [2022-11-02 20:42:13,122 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:42:13,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:42:13,124 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:42:13,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:42:13,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:42:13,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:42:13,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:42:13,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2022-11-02 20:42:13,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:42:13,126 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:42:13,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:42:13,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:42:13,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2022-11-02 20:42:13,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2022-11-02 20:42:13,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2022-11-02 20:42:13,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2022-11-02 20:42:13,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2022-11-02 20:42:13,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2022-11-02 20:42:13,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2022-11-02 20:42:13,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2022-11-02 20:42:13,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2022-11-02 20:42:13,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2022-11-02 20:42:13,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2022-11-02 20:42:13,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2022-11-02 20:42:13,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 26 remaining) [2022-11-02 20:42:13,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 26 remaining) [2022-11-02 20:42:13,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2022-11-02 20:42:13,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2022-11-02 20:42:13,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2022-11-02 20:42:13,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2022-11-02 20:42:13,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2022-11-02 20:42:13,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2022-11-02 20:42:13,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2022-11-02 20:42:13,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2022-11-02 20:42:13,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2022-11-02 20:42:13,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2022-11-02 20:42:13,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2022-11-02 20:42:13,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2022-11-02 20:42:13,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:42:13,137 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:42:13,142 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:42:13,142 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:42:13,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:42:13 BasicIcfg [2022-11-02 20:42:13,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:42:13,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:42:13,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:42:13,146 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:42:13,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:58" (3/4) ... [2022-11-02 20:42:13,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:42:13,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 20:42:13,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 20:42:13,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-02 20:42:13,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:42:13,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:42:13,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:42:13,193 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:42:13,193 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:42:13,194 INFO L158 Benchmark]: Toolchain (without parser) took 15587.41ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 110.3MB in the beginning and 129.6MB in the end (delta: -19.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-02 20:42:13,194 INFO L158 Benchmark]: CDTParser took 7.47ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 76.3MB in the beginning and 127.4MB in the end (delta: -51.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:42:13,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.42ms. Allocated memory is still 146.8MB. Free memory was 110.1MB in the beginning and 121.3MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:42:13,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.75ms. Allocated memory is still 146.8MB. Free memory was 121.3MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:42:13,195 INFO L158 Benchmark]: Boogie Preprocessor took 27.70ms. Allocated memory is still 146.8MB. Free memory was 119.2MB in the beginning and 117.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:42:13,196 INFO L158 Benchmark]: RCFGBuilder took 781.57ms. Allocated memory is still 146.8MB. Free memory was 117.9MB in the beginning and 99.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 20:42:13,196 INFO L158 Benchmark]: TraceAbstraction took 14373.84ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 99.1MB in the beginning and 132.7MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:42:13,196 INFO L158 Benchmark]: Witness Printer took 47.11ms. Allocated memory is still 176.2MB. Free memory was 132.7MB in the beginning and 129.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:42:13,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 7.47ms. Allocated memory was 104.9MB in the beginning and 146.8MB in the end (delta: 41.9MB). Free memory was 76.3MB in the beginning and 127.4MB in the end (delta: -51.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.42ms. Allocated memory is still 146.8MB. Free memory was 110.1MB in the beginning and 121.3MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.75ms. Allocated memory is still 146.8MB. Free memory was 121.3MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.70ms. Allocated memory is still 146.8MB. Free memory was 119.2MB in the beginning and 117.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 781.57ms. Allocated memory is still 146.8MB. Free memory was 117.9MB in the beginning and 99.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14373.84ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 99.1MB in the beginning and 132.7MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.11ms. Allocated memory is still 176.2MB. Free memory was 132.7MB in the beginning and 129.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.1s, 209 PlacesBefore, 32 PlacesAfterwards, 219 TransitionsBefore, 25 TransitionsAfterwards, 10988 CoEnabledTransitionPairs, 8 FixpointIterations, 68 TrivialSequentialCompositions, 148 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 46 ConcurrentYvCompositions, 17 ChoiceCompositions, 290 TotalNumberOfCompositions, 10514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10514, positive: 10514, positive conditional: 0, positive unconditional: 10514, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8063, positive: 8063, positive conditional: 0, positive unconditional: 8063, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8063, positive: 8063, positive conditional: 0, positive unconditional: 8063, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10514, positive: 2451, positive conditional: 0, positive unconditional: 2451, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8063, unknown conditional: 0, unknown unconditional: 8063] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - 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: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: 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 5 procedures, 327 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:42:13,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a699c96a-cc30-4e1d-971e-46c14c0547c8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE