./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe033_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe033_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8 --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 03e09f2995f610da86eeaa1f1ee03bc9ee01699bf21a2567d5a1129cd8929582 --- 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-2329fc7 [2022-12-13 19:12:49,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:12:49,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:12:49,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:12:49,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:12:49,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:12:49,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:12:49,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:12:49,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:12:49,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:12:49,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:12:49,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:12:49,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:12:49,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:12:49,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:12:49,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:12:49,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:12:49,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:12:49,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:12:49,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:12:49,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:12:49,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:12:49,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:12:49,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:12:49,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:12:49,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:12:49,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:12:49,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:12:49,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:12:49,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:12:49,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:12:49,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:12:49,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:12:49,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:12:49,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:12:49,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:12:49,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:12:49,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:12:49,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:12:49,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:12:49,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:12:49,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 19:12:49,554 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:12:49,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:12:49,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:12:49,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:12:49,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:12:49,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:12:49,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:12:49,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:12:49,557 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:12:49,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:12:49,558 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:12:49,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:12:49,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:12:49,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:12:49,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:12:49,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:12:49,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:12:49,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:12:49,559 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:12:49,559 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:12:49,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:12:49,560 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:12:49,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:12:49,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:12:49,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:12:49,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:12:49,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:12:49,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:12:49,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:12:49,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:12:49,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:12:49,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:12:49,562 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:12:49,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:12:49,562 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:12:49,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:12:49,562 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:12:49,563 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e09f2995f610da86eeaa1f1ee03bc9ee01699bf21a2567d5a1129cd8929582 [2022-12-13 19:12:49,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:12:49,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:12:49,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:12:49,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:12:49,771 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:12:49,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/safe033_tso.i [2022-12-13 19:12:52,296 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:12:52,487 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:12:52,488 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/sv-benchmarks/c/pthread-wmm/safe033_tso.i [2022-12-13 19:12:52,496 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/data/dbec97523/e362be1160924fa7adba0a67db871890/FLAGd43ed1c9a [2022-12-13 19:12:52,878 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/data/dbec97523/e362be1160924fa7adba0a67db871890 [2022-12-13 19:12:52,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:12:52,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:12:52,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:12:52,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:12:52,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:12:52,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:12:52" (1/1) ... [2022-12-13 19:12:52,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a8011f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:52, skipping insertion in model container [2022-12-13 19:12:52,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:12:52" (1/1) ... [2022-12-13 19:12:52,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:12:52,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:12:53,035 WARN L237 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_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/sv-benchmarks/c/pthread-wmm/safe033_tso.i[945,958] [2022-12-13 19:12:53,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:12:53,138 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:12:53,147 WARN L237 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_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/sv-benchmarks/c/pthread-wmm/safe033_tso.i[945,958] [2022-12-13 19:12:53,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:12:53,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:12:53,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:12:53,192 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:12:53,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53 WrapperNode [2022-12-13 19:12:53,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:12:53,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:12:53,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:12:53,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:12:53,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,220 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-13 19:12:53,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:12:53,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:12:53,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:12:53,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:12:53,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:12:53,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:12:53,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:12:53,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:12:53,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (1/1) ... [2022-12-13 19:12:53,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:12:53,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:12:53,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:12:53,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:12:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:12:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 19:12:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:12:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:12:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:12:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 19:12:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 19:12:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 19:12:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 19:12:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:12:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 19:12:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:12:53,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:12:53,299 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 19:12:53,401 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:12:53,403 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:12:53,510 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:12:53,525 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:12:53,525 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:12:53,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:53 BoogieIcfgContainer [2022-12-13 19:12:53,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:12:53,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:12:53,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:12:53,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:12:53,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:12:52" (1/3) ... [2022-12-13 19:12:53,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b2aed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:12:53, skipping insertion in model container [2022-12-13 19:12:53,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:12:53" (2/3) ... [2022-12-13 19:12:53,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b2aed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:12:53, skipping insertion in model container [2022-12-13 19:12:53,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:53" (3/3) ... [2022-12-13 19:12:53,533 INFO L112 eAbstractionObserver]: Analyzing ICFG safe033_tso.i [2022-12-13 19:12:53,539 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 19:12:53,546 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:12:53,546 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 19:12:53,547 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 19:12:53,592 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 19:12:53,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 77 transitions, 164 flow [2022-12-13 19:12:53,649 INFO L130 PetriNetUnfolder]: 2/75 cut-off events. [2022-12-13 19:12:53,649 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:12:53,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 75 events. 2/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2022-12-13 19:12:53,654 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 77 transitions, 164 flow [2022-12-13 19:12:53,657 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 75 transitions, 156 flow [2022-12-13 19:12:53,659 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 19:12:53,667 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 75 transitions, 156 flow [2022-12-13 19:12:53,669 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 75 transitions, 156 flow [2022-12-13 19:12:53,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 75 transitions, 156 flow [2022-12-13 19:12:53,683 INFO L130 PetriNetUnfolder]: 2/75 cut-off events. [2022-12-13 19:12:53,683 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:12:53,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 75 events. 2/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2022-12-13 19:12:53,685 INFO L119 LiptonReduction]: Number of co-enabled transitions 1168 [2022-12-13 19:12:55,033 INFO L134 LiptonReduction]: Checked pairs total: 3146 [2022-12-13 19:12:55,033 INFO L136 LiptonReduction]: Total number of compositions: 71 [2022-12-13 19:12:55,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:12:55,049 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;@b7d7b6b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:12:55,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 19:12:55,053 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-13 19:12:55,053 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:12:55,053 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:12:55,053 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 19:12:55,054 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-13 19:12:55,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:55,058 INFO L85 PathProgramCache]: Analyzing trace with hash 272804639, now seen corresponding path program 1 times [2022-12-13 19:12:55,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:55,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115318470] [2022-12-13 19:12:55,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:55,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:55,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:55,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115318470] [2022-12-13 19:12:55,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115318470] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:55,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:55,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 19:12:55,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839136200] [2022-12-13 19:12:55,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:55,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:12:55,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:55,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:12:55,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:12:55,288 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 148 [2022-12-13 19:12:55,291 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 17 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2022-12-13 19:12:55,291 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:12:55,291 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 148 [2022-12-13 19:12:55,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:12:55,334 INFO L130 PetriNetUnfolder]: 24/66 cut-off events. [2022-12-13 19:12:55,334 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 19:12:55,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 66 events. 24/66 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 197 event pairs, 13 based on Foata normal form. 4/57 useless extension candidates. Maximal degree in co-relation 130. Up to 51 conditions per place. [2022-12-13 19:12:55,336 INFO L137 encePairwiseOnDemand]: 139/148 looper letters, 15 selfloop transitions, 3 changer transitions 2/22 dead transitions. [2022-12-13 19:12:55,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 22 transitions, 93 flow [2022-12-13 19:12:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:12:55,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:12:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2022-12-13 19:12:55,347 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-13 19:12:55,348 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 222 transitions. [2022-12-13 19:12:55,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 222 transitions. [2022-12-13 19:12:55,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:12:55,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 222 transitions. [2022-12-13 19:12:55,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2022-12-13 19:12:55,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2022-12-13 19:12:55,356 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2022-12-13 19:12:55,358 INFO L175 Difference]: Start difference. First operand has 23 places, 17 transitions, 40 flow. Second operand 3 states and 222 transitions. [2022-12-13 19:12:55,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 22 transitions, 93 flow [2022-12-13 19:12:55,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 22 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 19:12:55,361 INFO L231 Difference]: Finished difference. Result has 24 places, 16 transitions, 55 flow [2022-12-13 19:12:55,362 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=55, PETRI_PLACES=24, PETRI_TRANSITIONS=16} [2022-12-13 19:12:55,365 INFO L288 CegarLoopForPetriNet]: 23 programPoint places, 1 predicate places. [2022-12-13 19:12:55,365 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 16 transitions, 55 flow [2022-12-13 19:12:55,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2022-12-13 19:12:55,365 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:12:55,365 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:55,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:12:55,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-13 19:12:55,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:55,366 INFO L85 PathProgramCache]: Analyzing trace with hash -60746794, now seen corresponding path program 1 times [2022-12-13 19:12:55,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:55,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004372206] [2022-12-13 19:12:55,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:55,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:55,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:55,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:55,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004372206] [2022-12-13 19:12:55,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004372206] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:55,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:55,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:12:55,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479661852] [2022-12-13 19:12:55,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:55,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:12:55,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:55,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:12:55,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:12:55,454 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 148 [2022-12-13 19:12:55,455 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 55 flow. Second operand has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 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) [2022-12-13 19:12:55,455 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:12:55,455 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 148 [2022-12-13 19:12:55,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:12:55,485 INFO L130 PetriNetUnfolder]: 15/48 cut-off events. [2022-12-13 19:12:55,485 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 19:12:55,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 48 events. 15/48 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 109 event pairs, 7 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 118. Up to 32 conditions per place. [2022-12-13 19:12:55,486 INFO L137 encePairwiseOnDemand]: 143/148 looper letters, 13 selfloop transitions, 3 changer transitions 0/18 dead transitions. [2022-12-13 19:12:55,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 18 transitions, 89 flow [2022-12-13 19:12:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:12:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 19:12:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 278 transitions. [2022-12-13 19:12:55,489 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46959459459459457 [2022-12-13 19:12:55,489 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 278 transitions. [2022-12-13 19:12:55,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 278 transitions. [2022-12-13 19:12:55,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:12:55,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 278 transitions. [2022-12-13 19:12:55,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 69.5) internal successors, (278), 4 states have internal predecessors, (278), 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) [2022-12-13 19:12:55,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 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) [2022-12-13 19:12:55,492 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 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) [2022-12-13 19:12:55,492 INFO L175 Difference]: Start difference. First operand has 24 places, 16 transitions, 55 flow. Second operand 4 states and 278 transitions. [2022-12-13 19:12:55,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 18 transitions, 89 flow [2022-12-13 19:12:55,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 18 transitions, 86 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:12:55,492 INFO L231 Difference]: Finished difference. Result has 24 places, 14 transitions, 50 flow [2022-12-13 19:12:55,493 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=50, PETRI_PLACES=24, PETRI_TRANSITIONS=14} [2022-12-13 19:12:55,493 INFO L288 CegarLoopForPetriNet]: 23 programPoint places, 1 predicate places. [2022-12-13 19:12:55,493 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 14 transitions, 50 flow [2022-12-13 19:12:55,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 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) [2022-12-13 19:12:55,493 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:12:55,493 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:12:55,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:12:55,494 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-13 19:12:55,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:12:55,494 INFO L85 PathProgramCache]: Analyzing trace with hash -60568233, now seen corresponding path program 1 times [2022-12-13 19:12:55,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:12:55,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161997883] [2022-12-13 19:12:55,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:12:55,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:12:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:12:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:12:55,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:12:55,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161997883] [2022-12-13 19:12:55,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161997883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:12:55,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:12:55,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:12:55,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405018640] [2022-12-13 19:12:55,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:12:55,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:12:55,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:12:55,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:12:55,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:12:55,568 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 148 [2022-12-13 19:12:55,568 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 14 transitions, 50 flow. Second operand has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 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) [2022-12-13 19:12:55,568 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:12:55,568 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 148 [2022-12-13 19:12:55,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:12:55,590 INFO L130 PetriNetUnfolder]: 7/26 cut-off events. [2022-12-13 19:12:55,590 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-13 19:12:55,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 26 events. 7/26 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 48 event pairs, 3 based on Foata normal form. 6/31 useless extension candidates. Maximal degree in co-relation 62. Up to 12 conditions per place. [2022-12-13 19:12:55,591 INFO L137 encePairwiseOnDemand]: 142/148 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2022-12-13 19:12:55,591 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 14 transitions, 70 flow [2022-12-13 19:12:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:12:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 19:12:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 275 transitions. [2022-12-13 19:12:55,592 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46452702702702703 [2022-12-13 19:12:55,593 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 275 transitions. [2022-12-13 19:12:55,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 275 transitions. [2022-12-13 19:12:55,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:12:55,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 275 transitions. [2022-12-13 19:12:55,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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) [2022-12-13 19:12:55,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 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) [2022-12-13 19:12:55,595 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 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) [2022-12-13 19:12:55,595 INFO L175 Difference]: Start difference. First operand has 24 places, 14 transitions, 50 flow. Second operand 4 states and 275 transitions. [2022-12-13 19:12:55,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 14 transitions, 70 flow [2022-12-13 19:12:55,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 14 transitions, 63 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 19:12:55,596 INFO L231 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2022-12-13 19:12:55,596 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2022-12-13 19:12:55,597 INFO L288 CegarLoopForPetriNet]: 23 programPoint places, -3 predicate places. [2022-12-13 19:12:55,597 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 0 transitions, 0 flow [2022-12-13 19:12:55,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.0) internal successors, (268), 4 states have internal predecessors, (268), 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) [2022-12-13 19:12:55,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-13 19:12:55,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-13 19:12:55,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-13 19:12:55,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-13 19:12:55,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-12-13 19:12:55,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-12-13 19:12:55,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-13 19:12:55,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-13 19:12:55,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-13 19:12:55,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-13 19:12:55,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:12:55,603 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 19:12:55,608 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 19:12:55,608 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:12:55,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:12:55 BasicIcfg [2022-12-13 19:12:55,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:12:55,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:12:55,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:12:55,611 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:12:55,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:12:53" (3/4) ... [2022-12-13 19:12:55,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:12:55,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 19:12:55,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 19:12:55,621 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 19:12:55,621 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 19:12:55,621 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:12:55,621 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:12:55,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:12:55,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:12:55,653 INFO L158 Benchmark]: Toolchain (without parser) took 2768.41ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 60.2MB in the end (delta: 46.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-12-13 19:12:55,653 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 92.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:12:55,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.35ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 84.5MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 19:12:55,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.41ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:55,654 INFO L158 Benchmark]: Boogie Preprocessor took 15.34ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 80.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:55,655 INFO L158 Benchmark]: RCFGBuilder took 290.78ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 67.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 19:12:55,655 INFO L158 Benchmark]: TraceAbstraction took 2081.94ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 63.3MB in the end (delta: 2.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:55,656 INFO L158 Benchmark]: Witness Printer took 41.56ms. Allocated memory is still 142.6MB. Free memory was 63.3MB in the beginning and 60.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:12:55,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 92.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.35ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 84.5MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.41ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.34ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 80.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.78ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 67.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2081.94ms. Allocated memory is still 142.6MB. Free memory was 66.2MB in the beginning and 63.3MB in the end (delta: 2.9MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 41.56ms. Allocated memory is still 142.6MB. Free memory was 63.3MB in the beginning and 60.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.4s, 80 PlacesBefore, 23 PlacesAfterwards, 75 TransitionsBefore, 17 TransitionsAfterwards, 1168 CoEnabledTransitionPairs, 6 FixpointIterations, 21 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 71 TotalNumberOfCompositions, 3146 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2007, independent: 1882, independent conditional: 0, independent unconditional: 1882, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 668, independent: 639, independent conditional: 0, independent unconditional: 639, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2007, independent: 1243, independent conditional: 0, independent unconditional: 1243, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 668, unknown conditional: 0, unknown unconditional: 668] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 730]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 730]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 745]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 745]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 96 locations, 10 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: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 9 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=1, InterpolantAutomatonStates: 11, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 19:12:55,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596ff2cf-3f1a-49a6-aeb1-e76ec2a9e054/bin/uautomizer-uyxdKDjOR8/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