./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/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_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/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_e83f1a74-82f1-4522-be7b-5e3b5669a471/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 0a03a5fc32da65217c1f578a6fea0c2c0e07a09fd6b8159429f8d1aa4c1c45a8 --- 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 20:34:14,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:34:14,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:34:15,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:34:15,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:34:15,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:34:15,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:34:15,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:34:15,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:34:15,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:34:15,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:34:15,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:34:15,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:34:15,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:34:15,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:34:15,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:34:15,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:34:15,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:34:15,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:34:15,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:34:15,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:34:15,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:34:15,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:34:15,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:34:15,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:34:15,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:34:15,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:34:15,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:34:15,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:34:15,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:34:15,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:34:15,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:34:15,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:34:15,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:34:15,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:34:15,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:34:15,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:34:15,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:34:15,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:34:15,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:34:15,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:34:15,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:34:15,119 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:34:15,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:34:15,120 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:34:15,120 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:34:15,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:34:15,121 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:34:15,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:34:15,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:34:15,122 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:34:15,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:34:15,124 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:34:15,124 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:34:15,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:34:15,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:34:15,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:34:15,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:34:15,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:34:15,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:34:15,125 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:34:15,126 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:34:15,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:34:15,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:34:15,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:34:15,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:34:15,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:34:15,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:34:15,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:34:15,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:34:15,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:34:15,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:34:15,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:34:15,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:34:15,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:34:15,129 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_e83f1a74-82f1-4522-be7b-5e3b5669a471/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a03a5fc32da65217c1f578a6fea0c2c0e07a09fd6b8159429f8d1aa4c1c45a8 [2022-11-02 20:34:15,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:34:15,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:34:15,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:34:15,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:34:15,421 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:34:15,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-11-02 20:34:15,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/data/a852bf1f4/08e0ec2e6dce4fddb5b78e16a8938fbc/FLAG3044a0e32 [2022-11-02 20:34:16,077 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:34:16,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-11-02 20:34:16,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/data/a852bf1f4/08e0ec2e6dce4fddb5b78e16a8938fbc/FLAG3044a0e32 [2022-11-02 20:34:16,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/data/a852bf1f4/08e0ec2e6dce4fddb5b78e16a8938fbc [2022-11-02 20:34:16,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:34:16,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:34:16,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:16,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:34:16,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:34:16,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:16" (1/1) ... [2022-11-02 20:34:16,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7472cae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:16, skipping insertion in model container [2022-11-02 20:34:16,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:16" (1/1) ... [2022-11-02 20:34:16,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:34:16,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:34:16,627 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_e83f1a74-82f1-4522-be7b-5e3b5669a471/sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-11-02 20:34:16,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:16,908 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:34:16,927 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_e83f1a74-82f1-4522-be7b-5e3b5669a471/sv-benchmarks/c/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-11-02 20:34:17,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:17,054 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:34:17,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17 WrapperNode [2022-11-02 20:34:17,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:17,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:17,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:34:17,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:34:17,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,108 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 276 [2022-11-02 20:34:17,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:17,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:34:17,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:34:17,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:34:17,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:34:17,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:34:17,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:34:17,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:34:17,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (1/1) ... [2022-11-02 20:34:17,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:34:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:17,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:34:17,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:34:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:34:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:34:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:34:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:34:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:34:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-02 20:34:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-02 20:34:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-02 20:34:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-02 20:34:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-02 20:34:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-02 20:34:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:34:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:34:17,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:34:17,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:34:17,255 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 20:34:17,499 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:34:17,501 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:34:18,244 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:34:18,675 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:34:18,675 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:34:18,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:18 BoogieIcfgContainer [2022-11-02 20:34:18,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:34:18,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:34:18,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:34:18,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:34:18,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:34:16" (1/3) ... [2022-11-02 20:34:18,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5978d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:18, skipping insertion in model container [2022-11-02 20:34:18,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:17" (2/3) ... [2022-11-02 20:34:18,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5978d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:18, skipping insertion in model container [2022-11-02 20:34:18,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:18" (3/3) ... [2022-11-02 20:34:18,688 INFO L112 eAbstractionObserver]: Analyzing ICFG mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-11-02 20:34:18,698 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:34:18,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:34:18,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-02 20:34:18,709 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:34:18,789 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:34:18,840 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:34:18,854 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 117 transitions, 249 flow [2022-11-02 20:34:18,863 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 117 transitions, 249 flow [2022-11-02 20:34:18,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 117 transitions, 249 flow [2022-11-02 20:34:18,941 INFO L130 PetriNetUnfolder]: 2/114 cut-off events. [2022-11-02 20:34:18,941 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:34:18,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2022-11-02 20:34:18,950 INFO L118 LiptonReduction]: Number of co-enabled transitions 2464 [2022-11-02 20:34:36,406 INFO L133 LiptonReduction]: Checked pairs total: 8096 [2022-11-02 20:34:36,406 INFO L135 LiptonReduction]: Total number of compositions: 103 [2022-11-02 20:34:36,416 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2022-11-02 20:34:36,518 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 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 20:34:36,544 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:34:36,554 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;@6b4a9aca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:34:36,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-02 20:34:36,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 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 20:34:36,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-02 20:34:36,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:36,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-02 20:34:36,572 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 20:34:36,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:36,582 INFO L85 PathProgramCache]: Analyzing trace with hash 32497477, now seen corresponding path program 1 times [2022-11-02 20:34:36,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:36,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098418940] [2022-11-02 20:34:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:36,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:36,897 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 20:34:36,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:36,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098418940] [2022-11-02 20:34:36,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098418940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:36,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:36,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:34:36,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511070129] [2022-11-02 20:34:36,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:36,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:34:36,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:36,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:34:36,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:34:36,940 INFO L87 Difference]: Start difference. First operand has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 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 20:34:37,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:37,084 INFO L93 Difference]: Finished difference Result 702 states and 2017 transitions. [2022-11-02 20:34:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:34:37,086 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 20:34:37,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:37,104 INFO L225 Difference]: With dead ends: 702 [2022-11-02 20:34:37,104 INFO L226 Difference]: Without dead ends: 702 [2022-11-02 20:34:37,105 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 20:34:37,108 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:37,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 9 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:34:37,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2022-11-02 20:34:37,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2022-11-02 20:34:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 684 states have (on average 2.948830409356725) internal successors, (2017), 701 states have internal predecessors, (2017), 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 20:34:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 2017 transitions. [2022-11-02 20:34:37,211 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 2017 transitions. Word has length 4 [2022-11-02 20:34:37,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:37,212 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 2017 transitions. [2022-11-02 20:34:37,212 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 20:34:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2017 transitions. [2022-11-02 20:34:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-02 20:34:37,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:37,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:37,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:34:37,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:34:37,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:37,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1357622873, now seen corresponding path program 1 times [2022-11-02 20:34:37,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:37,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775248305] [2022-11-02 20:34:37,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:37,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:37,402 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 20:34:37,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:37,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775248305] [2022-11-02 20:34:37,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775248305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:37,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:37,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:34:37,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131478590] [2022-11-02 20:34:37,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:37,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:34:37,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:37,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:34:37,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:34:37,407 INFO L87 Difference]: Start difference. First operand 702 states and 2017 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 20:34:37,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:37,514 INFO L93 Difference]: Finished difference Result 562 states and 1647 transitions. [2022-11-02 20:34:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:34:37,515 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 20:34:37,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:37,520 INFO L225 Difference]: With dead ends: 562 [2022-11-02 20:34:37,520 INFO L226 Difference]: Without dead ends: 562 [2022-11-02 20:34:37,520 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 20:34:37,522 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 27 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:37,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 12 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:34:37,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2022-11-02 20:34:37,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2022-11-02 20:34:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 556 states have (on average 2.962230215827338) internal successors, (1647), 561 states have internal predecessors, (1647), 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 20:34:37,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1647 transitions. [2022-11-02 20:34:37,551 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1647 transitions. Word has length 10 [2022-11-02 20:34:37,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:37,551 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 1647 transitions. [2022-11-02 20:34:37,552 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 20:34:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1647 transitions. [2022-11-02 20:34:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 20:34:37,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:37,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:37,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:34:37,554 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:34:37,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:37,555 INFO L85 PathProgramCache]: Analyzing trace with hash 863363750, now seen corresponding path program 1 times [2022-11-02 20:34:37,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:37,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127558109] [2022-11-02 20:34:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:37,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:37,715 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 20:34:37,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:37,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127558109] [2022-11-02 20:34:37,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127558109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:37,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:37,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:34:37,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957951622] [2022-11-02 20:34:37,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:37,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:34:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:37,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:34:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:34:37,718 INFO L87 Difference]: Start difference. First operand 562 states and 1647 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 20:34:37,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:37,826 INFO L93 Difference]: Finished difference Result 458 states and 1364 transitions. [2022-11-02 20:34:37,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:34:37,826 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 20:34:37,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:37,829 INFO L225 Difference]: With dead ends: 458 [2022-11-02 20:34:37,830 INFO L226 Difference]: Without dead ends: 458 [2022-11-02 20:34:37,830 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 20:34:37,831 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 35 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:37,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 12 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:34:37,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-11-02 20:34:37,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2022-11-02 20:34:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 455 states have (on average 2.997802197802198) internal successors, (1364), 457 states have internal predecessors, (1364), 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 20:34:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1364 transitions. [2022-11-02 20:34:37,850 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1364 transitions. Word has length 11 [2022-11-02 20:34:37,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:37,850 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 1364 transitions. [2022-11-02 20:34:37,851 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 20:34:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1364 transitions. [2022-11-02 20:34:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-02 20:34:37,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:37,854 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:37,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:34:37,855 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 20:34:37,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:37,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1009459866, now seen corresponding path program 1 times [2022-11-02 20:34:37,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:37,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172331115] [2022-11-02 20:34:37,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:37,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:38,061 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 20:34:38,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:38,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172331115] [2022-11-02 20:34:38,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172331115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:38,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:38,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:34:38,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78338364] [2022-11-02 20:34:38,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:38,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:34:38,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:38,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:34:38,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:34:38,065 INFO L87 Difference]: Start difference. First operand 458 states and 1364 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 20:34:38,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:38,170 INFO L93 Difference]: Finished difference Result 446 states and 1343 transitions. [2022-11-02 20:34:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:34:38,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2022-11-02 20:34:38,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:38,172 INFO L225 Difference]: With dead ends: 446 [2022-11-02 20:34:38,172 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:34:38,173 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 20:34:38,177 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 49 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:38,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 9 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:34:38,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:34:38,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:34:38,181 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 20:34:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:34:38,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-11-02 20:34:38,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:38,183 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:34:38,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 20:34:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:34:38,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:34:38,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-02 20:34:38,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-02 20:34:38,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-02 20:34:38,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-02 20:34:38,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-02 20:34:38,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-02 20:34:38,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-02 20:34:38,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-02 20:34:38,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-02 20:34:38,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-02 20:34:38,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-02 20:34:38,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-02 20:34:38,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-02 20:34:38,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-02 20:34:38,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-02 20:34:38,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:34:38,204 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-02 20:34:38,212 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:34:38,212 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:34:38,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:34:38 BasicIcfg [2022-11-02 20:34:38,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:34:38,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:34:38,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:34:38,218 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:34:38,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:18" (3/4) ... [2022-11-02 20:34:38,229 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:34:38,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-02 20:34:38,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-02 20:34:38,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-02 20:34:38,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 118 nodes and edges [2022-11-02 20:34:38,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-02 20:34:38,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-02 20:34:38,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:34:38,337 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:34:38,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:34:38,337 INFO L158 Benchmark]: Toolchain (without parser) took 21946.61ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 72.5MB in the beginning and 102.1MB in the end (delta: -29.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-11-02 20:34:38,338 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:34:38,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.18ms. Allocated memory is still 109.1MB. Free memory was 72.1MB in the beginning and 72.6MB in the end (delta: -459.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:34:38,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.03ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 69.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:34:38,339 INFO L158 Benchmark]: Boogie Preprocessor took 36.94ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:34:38,339 INFO L158 Benchmark]: RCFGBuilder took 1531.39ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 54.4MB in the end (delta: 13.3MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2022-11-02 20:34:38,340 INFO L158 Benchmark]: TraceAbstraction took 19535.94ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 53.8MB in the beginning and 107.4MB in the end (delta: -53.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:34:38,340 INFO L158 Benchmark]: Witness Printer took 119.62ms. Allocated memory is still 159.4MB. Free memory was 107.4MB in the beginning and 102.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:34:38,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 25.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.18ms. Allocated memory is still 109.1MB. Free memory was 72.1MB in the beginning and 72.6MB in the end (delta: -459.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.03ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 69.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.94ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1531.39ms. Allocated memory is still 109.1MB. Free memory was 67.7MB in the beginning and 54.4MB in the end (delta: 13.3MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * TraceAbstraction took 19535.94ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 53.8MB in the beginning and 107.4MB in the end (delta: -53.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 119.62ms. Allocated memory is still 159.4MB. Free memory was 107.4MB in the beginning and 102.1MB in the end (delta: 5.2MB). 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: 17.5s, 125 PlacesBefore, 39 PlacesAfterwards, 117 TransitionsBefore, 30 TransitionsAfterwards, 2464 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 103 TotalNumberOfCompositions, 8096 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3647, positive: 3403, positive conditional: 0, positive unconditional: 3403, negative: 244, negative conditional: 0, negative unconditional: 244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1671, positive: 1615, positive conditional: 0, positive unconditional: 1615, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1671, positive: 1566, positive conditional: 0, positive unconditional: 1566, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 105, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 941, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 769, negative conditional: 0, negative unconditional: 769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3647, positive: 1788, positive conditional: 0, positive unconditional: 1788, negative: 188, negative conditional: 0, negative unconditional: 188, unknown: 1671, unknown conditional: 0, unknown unconditional: 1671] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 190, Positive conditional cache size: 0, Positive unconditional cache size: 190, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - 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: 749]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 749]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 148 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 19.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 17.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 21 mSDtfsCounter, 204 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=1270occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 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 20:34:38,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83f1a74-82f1-4522-be7b-5e3b5669a471/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