./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix016_pso.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix016_pso.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8 --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 2135a1882b0d27098e68a161f8694a670a72069d61776627736073247b8e4e23 --- 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-e04fb08 [2022-11-16 11:16:27,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:16:27,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:16:27,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:16:27,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:16:27,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:16:27,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:16:27,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:16:27,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:16:27,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:16:27,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:16:27,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:16:27,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:16:27,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:16:27,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:16:27,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:16:27,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:16:28,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:16:28,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:16:28,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:16:28,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:16:28,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:16:28,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:16:28,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:16:28,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:16:28,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:16:28,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:16:28,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:16:28,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:16:28,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:16:28,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:16:28,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:16:28,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:16:28,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:16:28,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:16:28,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:16:28,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:16:28,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:16:28,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:16:28,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:16:28,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:16:28,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-16 11:16:28,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:16:28,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:16:28,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:16:28,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:16:28,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:16:28,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:16:28,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:16:28,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:16:28,056 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:16:28,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:16:28,056 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:16:28,057 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:16:28,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:16:28,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:16:28,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:16:28,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:16:28,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:16:28,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:16:28,058 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 11:16:28,058 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:16:28,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:16:28,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:16:28,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:16:28,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:16:28,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:16:28,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:16:28,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:16:28,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:16:28,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:16:28,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:16:28,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:16:28,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:16:28,061 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:16:28,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:16:28,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:16:28,062 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_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2135a1882b0d27098e68a161f8694a670a72069d61776627736073247b8e4e23 [2022-11-16 11:16:28,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:16:28,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:16:28,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:16:28,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:16:28,359 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:16:28,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-wmm/mix016_pso.opt_tso.opt.i [2022-11-16 11:16:28,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/data/8dc7b8535/03d5e0cd1539478d81cf945026582a55/FLAGcb475589c [2022-11-16 11:16:29,063 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:16:29,063 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/sv-benchmarks/c/pthread-wmm/mix016_pso.opt_tso.opt.i [2022-11-16 11:16:29,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/data/8dc7b8535/03d5e0cd1539478d81cf945026582a55/FLAGcb475589c [2022-11-16 11:16:29,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/data/8dc7b8535/03d5e0cd1539478d81cf945026582a55 [2022-11-16 11:16:29,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:16:29,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:16:29,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:16:29,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:16:29,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:16:29,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:16:29" (1/1) ... [2022-11-16 11:16:29,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ab1b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:29, skipping insertion in model container [2022-11-16 11:16:29,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:16:29" (1/1) ... [2022-11-16 11:16:29,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:16:29,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:16:29,667 WARN L229 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_f7bfb570-3391-4720-85ac-8906104a30c4/sv-benchmarks/c/pthread-wmm/mix016_pso.opt_tso.opt.i[956,969] [2022-11-16 11:16:29,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:16:29,946 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:16:29,965 WARN L229 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_f7bfb570-3391-4720-85ac-8906104a30c4/sv-benchmarks/c/pthread-wmm/mix016_pso.opt_tso.opt.i[956,969] [2022-11-16 11:16:30,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:16:30,100 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:16:30,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30 WrapperNode [2022-11-16 11:16:30,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:16:30,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:16:30,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:16:30,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:16:30,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,185 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 150 [2022-11-16 11:16:30,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:16:30,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:16:30,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:16:30,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:16:30,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,227 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:16:30,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:16:30,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:16:30,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:16:30,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (1/1) ... [2022-11-16 11:16:30,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:16:30,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:16:30,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:16:30,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:16:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:16:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:16:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:16:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:16:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:16:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-16 11:16:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-16 11:16:30,370 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-16 11:16:30,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-16 11:16:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-16 11:16:30,371 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-16 11:16:30,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:16:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:16:30,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:16:30,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:16:30,373 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:16:30,522 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:16:30,525 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:16:30,880 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:16:31,175 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:16:31,175 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:16:31,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:16:31 BoogieIcfgContainer [2022-11-16 11:16:31,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:16:31,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:16:31,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:16:31,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:16:31,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:16:29" (1/3) ... [2022-11-16 11:16:31,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6451fc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:16:31, skipping insertion in model container [2022-11-16 11:16:31,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:30" (2/3) ... [2022-11-16 11:16:31,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6451fc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:16:31, skipping insertion in model container [2022-11-16 11:16:31,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:16:31" (3/3) ... [2022-11-16 11:16:31,186 INFO L112 eAbstractionObserver]: Analyzing ICFG mix016_pso.opt_tso.opt.i [2022-11-16 11:16:31,195 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:16:31,205 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:16:31,205 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-16 11:16:31,206 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:16:31,276 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:16:31,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 120 transitions, 255 flow [2022-11-16 11:16:31,380 INFO L130 PetriNetUnfolder]: 2/117 cut-off events. [2022-11-16 11:16:31,380 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:16:31,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2022-11-16 11:16:31,386 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 120 transitions, 255 flow [2022-11-16 11:16:31,391 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 117 transitions, 243 flow [2022-11-16 11:16:31,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:16:31,408 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=PETRI_NET, 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;@7f42711, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:16:31,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-16 11:16:31,422 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-11-16 11:16:31,428 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:16:31,429 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:31,429 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:31,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 11:16:31,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:31,437 INFO L85 PathProgramCache]: Analyzing trace with hash -376321563, now seen corresponding path program 1 times [2022-11-16 11:16:31,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:31,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148281082] [2022-11-16 11:16:31,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:31,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:31,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:31,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148281082] [2022-11-16 11:16:31,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148281082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:31,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:31,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:16:31,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986864469] [2022-11-16 11:16:31,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:31,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:16:31,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:31,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:16:31,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:16:31,893 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 120 [2022-11-16 11:16:31,897 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 117 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-11-16 11:16:31,897 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:31,897 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 120 [2022-11-16 11:16:31,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:16:32,369 INFO L130 PetriNetUnfolder]: 372/1045 cut-off events. [2022-11-16 11:16:32,369 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-16 11:16:32,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 1045 events. 372/1045 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6597 event pairs, 268 based on Foata normal form. 101/916 useless extension candidates. Maximal degree in co-relation 1635. Up to 562 conditions per place. [2022-11-16 11:16:32,387 INFO L137 encePairwiseOnDemand]: 108/120 looper letters, 26 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2022-11-16 11:16:32,387 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 125 transitions, 325 flow [2022-11-16 11:16:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:16:32,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:16:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2022-11-16 11:16:32,410 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9277777777777778 [2022-11-16 11:16:32,411 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 334 transitions. [2022-11-16 11:16:32,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 334 transitions. [2022-11-16 11:16:32,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:16:32,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 334 transitions. [2022-11-16 11:16:32,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2022-11-16 11:16:32,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 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) [2022-11-16 11:16:32,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 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) [2022-11-16 11:16:32,431 INFO L175 Difference]: Start difference. First operand has 125 places, 117 transitions, 243 flow. Second operand 3 states and 334 transitions. [2022-11-16 11:16:32,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 125 transitions, 325 flow [2022-11-16 11:16:32,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 125 transitions, 320 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-16 11:16:32,439 INFO L231 Difference]: Finished difference. Result has 124 places, 117 transitions, 270 flow [2022-11-16 11:16:32,441 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=124, PETRI_TRANSITIONS=117} [2022-11-16 11:16:32,447 INFO L288 CegarLoopForPetriNet]: 125 programPoint places, -1 predicate places. [2022-11-16 11:16:32,447 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 117 transitions, 270 flow [2022-11-16 11:16:32,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-11-16 11:16:32,448 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:32,449 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:32,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:16:32,450 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 11:16:32,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:32,451 INFO L85 PathProgramCache]: Analyzing trace with hash -198889041, now seen corresponding path program 1 times [2022-11-16 11:16:32,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:32,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757916857] [2022-11-16 11:16:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:32,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:32,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:32,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757916857] [2022-11-16 11:16:32,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757916857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:32,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:32,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:16:32,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397244134] [2022-11-16 11:16:32,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:32,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:16:32,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:32,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:16:32,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:16:32,753 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 120 [2022-11-16 11:16:32,753 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 270 flow. Second operand has 4 states, 4 states have (on average 99.5) internal successors, (398), 4 states have internal predecessors, (398), 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) [2022-11-16 11:16:32,753 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:32,754 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 120 [2022-11-16 11:16:32,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:16:33,104 INFO L130 PetriNetUnfolder]: 252/774 cut-off events. [2022-11-16 11:16:33,104 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2022-11-16 11:16:33,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1475 conditions, 774 events. 252/774 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4571 event pairs, 122 based on Foata normal form. 0/657 useless extension candidates. Maximal degree in co-relation 1421. Up to 258 conditions per place. [2022-11-16 11:16:33,115 INFO L137 encePairwiseOnDemand]: 110/120 looper letters, 30 selfloop transitions, 10 changer transitions 3/138 dead transitions. [2022-11-16 11:16:33,116 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 138 transitions, 416 flow [2022-11-16 11:16:33,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:16:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-16 11:16:33,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 438 transitions. [2022-11-16 11:16:33,120 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9125 [2022-11-16 11:16:33,120 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 438 transitions. [2022-11-16 11:16:33,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 438 transitions. [2022-11-16 11:16:33,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:16:33,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 438 transitions. [2022-11-16 11:16:33,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 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) [2022-11-16 11:16:33,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 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) [2022-11-16 11:16:33,128 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 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) [2022-11-16 11:16:33,129 INFO L175 Difference]: Start difference. First operand has 124 places, 117 transitions, 270 flow. Second operand 4 states and 438 transitions. [2022-11-16 11:16:33,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 138 transitions, 416 flow [2022-11-16 11:16:33,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 138 transitions, 412 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:16:33,136 INFO L231 Difference]: Finished difference. Result has 128 places, 120 transitions, 326 flow [2022-11-16 11:16:33,136 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=326, PETRI_PLACES=128, PETRI_TRANSITIONS=120} [2022-11-16 11:16:33,137 INFO L288 CegarLoopForPetriNet]: 125 programPoint places, 3 predicate places. [2022-11-16 11:16:33,137 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 120 transitions, 326 flow [2022-11-16 11:16:33,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.5) internal successors, (398), 4 states have internal predecessors, (398), 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) [2022-11-16 11:16:33,138 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:33,138 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:33,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:16:33,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 11:16:33,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:33,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1076167344, now seen corresponding path program 1 times [2022-11-16 11:16:33,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:33,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623154519] [2022-11-16 11:16:33,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:33,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:33,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:33,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623154519] [2022-11-16 11:16:33,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623154519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:33,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:33,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:16:33,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391141576] [2022-11-16 11:16:33,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:33,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:16:33,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:33,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:16:33,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:16:33,341 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 120 [2022-11-16 11:16:33,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 326 flow. Second operand has 4 states, 4 states have (on average 99.5) internal successors, (398), 4 states have internal predecessors, (398), 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) [2022-11-16 11:16:33,341 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:33,341 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 120 [2022-11-16 11:16:33,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:16:33,552 INFO L130 PetriNetUnfolder]: 154/505 cut-off events. [2022-11-16 11:16:33,552 INFO L131 PetriNetUnfolder]: For 535/535 co-relation queries the response was YES. [2022-11-16 11:16:33,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1032 conditions, 505 events. 154/505 cut-off events. For 535/535 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2477 event pairs, 87 based on Foata normal form. 53/528 useless extension candidates. Maximal degree in co-relation 975. Up to 207 conditions per place. [2022-11-16 11:16:33,557 INFO L137 encePairwiseOnDemand]: 113/120 looper letters, 23 selfloop transitions, 4 changer transitions 0/122 dead transitions. [2022-11-16 11:16:33,558 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 358 flow [2022-11-16 11:16:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:16:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-16 11:16:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 422 transitions. [2022-11-16 11:16:33,559 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8791666666666667 [2022-11-16 11:16:33,560 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 422 transitions. [2022-11-16 11:16:33,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 422 transitions. [2022-11-16 11:16:33,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:16:33,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 422 transitions. [2022-11-16 11:16:33,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 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) [2022-11-16 11:16:33,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 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) [2022-11-16 11:16:33,564 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 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) [2022-11-16 11:16:33,564 INFO L175 Difference]: Start difference. First operand has 128 places, 120 transitions, 326 flow. Second operand 4 states and 422 transitions. [2022-11-16 11:16:33,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 358 flow [2022-11-16 11:16:33,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 122 transitions, 340 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-11-16 11:16:33,571 INFO L231 Difference]: Finished difference. Result has 125 places, 114 transitions, 274 flow [2022-11-16 11:16:33,571 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=274, PETRI_PLACES=125, PETRI_TRANSITIONS=114} [2022-11-16 11:16:33,573 INFO L288 CegarLoopForPetriNet]: 125 programPoint places, 0 predicate places. [2022-11-16 11:16:33,574 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 114 transitions, 274 flow [2022-11-16 11:16:33,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.5) internal successors, (398), 4 states have internal predecessors, (398), 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) [2022-11-16 11:16:33,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:16:33,575 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:33,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:16:33,575 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-16 11:16:33,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:33,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2120577609, now seen corresponding path program 1 times [2022-11-16 11:16:33,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:33,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496107428] [2022-11-16 11:16:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:33,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:16:33,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:33,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496107428] [2022-11-16 11:16:33,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496107428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:33,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:33,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:16:33,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578047662] [2022-11-16 11:16:33,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:33,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:16:33,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:33,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:16:33,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:33,836 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 120 [2022-11-16 11:16:33,836 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 114 transitions, 274 flow. Second operand has 5 states, 5 states have (on average 100.2) internal successors, (501), 5 states have internal predecessors, (501), 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) [2022-11-16 11:16:33,837 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:16:33,837 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 120 [2022-11-16 11:16:33,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:16:34,007 INFO L130 PetriNetUnfolder]: 148/503 cut-off events. [2022-11-16 11:16:34,008 INFO L131 PetriNetUnfolder]: For 278/278 co-relation queries the response was YES. [2022-11-16 11:16:34,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 954 conditions, 503 events. 148/503 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2454 event pairs, 54 based on Foata normal form. 9/485 useless extension candidates. Maximal degree in co-relation 898. Up to 121 conditions per place. [2022-11-16 11:16:34,010 INFO L137 encePairwiseOnDemand]: 113/120 looper letters, 0 selfloop transitions, 0 changer transitions 126/126 dead transitions. [2022-11-16 11:16:34,010 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 126 transitions, 354 flow [2022-11-16 11:16:34,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-16 11:16:34,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 524 transitions. [2022-11-16 11:16:34,013 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8733333333333333 [2022-11-16 11:16:34,014 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 524 transitions. [2022-11-16 11:16:34,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 524 transitions. [2022-11-16 11:16:34,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:16:34,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 524 transitions. [2022-11-16 11:16:34,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 104.8) internal successors, (524), 5 states have internal predecessors, (524), 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) [2022-11-16 11:16:34,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 120.0) internal successors, (720), 6 states have internal predecessors, (720), 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) [2022-11-16 11:16:34,023 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 120.0) internal successors, (720), 6 states have internal predecessors, (720), 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) [2022-11-16 11:16:34,023 INFO L175 Difference]: Start difference. First operand has 125 places, 114 transitions, 274 flow. Second operand 5 states and 524 transitions. [2022-11-16 11:16:34,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 126 transitions, 354 flow [2022-11-16 11:16:34,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 126 transitions, 339 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:16:34,027 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2022-11-16 11:16:34,027 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2022-11-16 11:16:34,028 INFO L288 CegarLoopForPetriNet]: 125 programPoint places, -3 predicate places. [2022-11-16 11:16:34,028 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2022-11-16 11:16:34,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 100.2) internal successors, (501), 5 states have internal predecessors, (501), 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) [2022-11-16 11:16:34,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-16 11:16:34,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-16 11:16:34,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-16 11:16:34,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-16 11:16:34,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-16 11:16:34,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-16 11:16:34,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-16 11:16:34,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-16 11:16:34,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-16 11:16:34,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-16 11:16:34,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-16 11:16:34,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-16 11:16:34,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-16 11:16:34,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-16 11:16:34,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-16 11:16:34,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:16:34,042 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:16:34,053 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:16:34,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:16:34,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:16:34 BasicIcfg [2022-11-16 11:16:34,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:16:34,066 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:16:34,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:16:34,067 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:16:34,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:16:31" (3/4) ... [2022-11-16 11:16:34,070 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:16:34,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-16 11:16:34,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-16 11:16:34,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-16 11:16:34,080 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-16 11:16:34,081 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:16:34,081 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:16:34,081 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:16:34,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:16:34,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:16:34,117 INFO L158 Benchmark]: Toolchain (without parser) took 4731.04ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 104.7MB in the beginning and 74.3MB in the end (delta: 30.5MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2022-11-16 11:16:34,117 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:16:34,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.65ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 105.6MB in the end (delta: -1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:16:34,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.02ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 103.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:16:34,118 INFO L158 Benchmark]: Boogie Preprocessor took 69.26ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:16:34,118 INFO L158 Benchmark]: RCFGBuilder took 922.09ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 64.4MB in the end (delta: 36.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-16 11:16:34,119 INFO L158 Benchmark]: TraceAbstraction took 2885.24ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 63.8MB in the beginning and 77.4MB in the end (delta: -13.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-11-16 11:16:34,119 INFO L158 Benchmark]: Witness Printer took 49.93ms. Allocated memory is still 192.9MB. Free memory was 76.4MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:16:34,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 711.65ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 105.6MB in the end (delta: -1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.02ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 103.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.26ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 922.09ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 64.4MB in the end (delta: 36.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2885.24ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 63.8MB in the beginning and 77.4MB in the end (delta: -13.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Witness Printer took 49.93ms. Allocated memory is still 192.9MB. Free memory was 76.4MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 828]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 828]: 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, 151 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 169 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 10 mSDtfsCounter, 169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=2, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 538 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! [2022-11-16 11:16:34,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7bfb570-3391-4720-85ac-8906104a30c4/bin/uautomizer-tPACEb0tL8/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