./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi003_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/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_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi003_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/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_fb2733fb-e78d-4453-ae64-6915365edd97/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 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4 --- 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 14:12:11,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:12:11,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:12:11,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:12:11,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:12:11,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:12:11,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:12:11,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:12:11,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:12:11,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:12:11,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:12:11,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:12:11,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:12:11,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:12:11,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:12:11,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:12:11,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:12:11,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:12:11,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:12:11,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:12:11,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:12:11,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:12:11,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:12:11,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:12:11,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:12:11,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:12:11,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:12:11,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:12:11,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:12:11,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:12:11,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:12:11,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:12:11,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:12:11,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:12:11,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:12:11,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:12:11,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:12:11,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:12:11,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:12:11,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:12:11,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:12:11,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 14:12:11,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:12:11,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:12:11,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:12:11,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:12:11,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:12:11,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:12:11,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:12:11,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:12:11,643 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:12:11,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:12:11,643 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:12:11,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:12:11,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:12:11,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:12:11,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:12:11,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:12:11,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:12:11,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:12:11,644 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:12:11,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:12:11,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:12:11,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:12:11,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:12:11,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:12:11,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:12:11,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:12:11,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:12:11,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:12:11,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:12:11,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:12:11,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:12:11,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:12:11,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:12:11,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:12:11,647 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:12:11,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:12:11,647 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:12:11,648 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_fb2733fb-e78d-4453-ae64-6915365edd97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503cbc793fb2369a7e5308c15a611fe38888f935ec98bb5d473194a0a60e31e4 [2022-12-13 14:12:11,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:12:11,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:12:11,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:12:11,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:12:11,868 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:12:11,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/rfi003_tso.i [2022-12-13 14:12:14,352 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:12:14,547 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:12:14,547 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/sv-benchmarks/c/pthread-wmm/rfi003_tso.i [2022-12-13 14:12:14,557 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/data/0f1cd40a4/8cb1ebe4b35a491387f4fe1aa40e8d4d/FLAG2b2f0b5bf [2022-12-13 14:12:14,954 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/data/0f1cd40a4/8cb1ebe4b35a491387f4fe1aa40e8d4d [2022-12-13 14:12:14,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:12:14,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:12:14,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:12:14,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:12:14,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:12:14,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c60968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:14, skipping insertion in model container [2022-12-13 14:12:14,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:12:14" (1/1) ... [2022-12-13 14:12:14,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:12:15,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:12:15,124 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_fb2733fb-e78d-4453-ae64-6915365edd97/sv-benchmarks/c/pthread-wmm/rfi003_tso.i[944,957] [2022-12-13 14:12:15,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:12:15,265 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:12:15,274 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_fb2733fb-e78d-4453-ae64-6915365edd97/sv-benchmarks/c/pthread-wmm/rfi003_tso.i[944,957] [2022-12-13 14:12:15,287 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:12:15,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:12:15,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:12:15,328 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:12:15,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15 WrapperNode [2022-12-13 14:12:15,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:12:15,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:12:15,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:12:15,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:12:15,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,364 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 167 [2022-12-13 14:12:15,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:12:15,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:12:15,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:12:15,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:12:15,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:12:15,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:12:15,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:12:15,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:12:15,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (1/1) ... [2022-12-13 14:12:15,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:12:15,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:12:15,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:12:15,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:12:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:12:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 14:12:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:12:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:12:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:12:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 14:12:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 14:12:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 14:12:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 14:12:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:12:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 14:12:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:12:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:12:15,449 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 14:12:15,556 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:12:15,558 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:12:15,876 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:12:16,037 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:12:16,038 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:12:16,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:12:16 BoogieIcfgContainer [2022-12-13 14:12:16,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:12:16,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:12:16,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:12:16,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:12:16,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:12:14" (1/3) ... [2022-12-13 14:12:16,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6af17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:12:16, skipping insertion in model container [2022-12-13 14:12:16,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:12:15" (2/3) ... [2022-12-13 14:12:16,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6af17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:12:16, skipping insertion in model container [2022-12-13 14:12:16,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:12:16" (3/3) ... [2022-12-13 14:12:16,048 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi003_tso.i [2022-12-13 14:12:16,057 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 14:12:16,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:12:16,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 14:12:16,068 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 14:12:16,112 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 14:12:16,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 101 transitions, 212 flow [2022-12-13 14:12:16,189 INFO L130 PetriNetUnfolder]: 2/99 cut-off events. [2022-12-13 14:12:16,189 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 14:12:16,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-12-13 14:12:16,194 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 101 transitions, 212 flow [2022-12-13 14:12:16,198 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 99 transitions, 204 flow [2022-12-13 14:12:16,202 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 14:12:16,211 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 99 transitions, 204 flow [2022-12-13 14:12:16,213 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 99 transitions, 204 flow [2022-12-13 14:12:16,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 99 transitions, 204 flow [2022-12-13 14:12:16,230 INFO L130 PetriNetUnfolder]: 2/99 cut-off events. [2022-12-13 14:12:16,230 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 14:12:16,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-12-13 14:12:16,231 INFO L119 LiptonReduction]: Number of co-enabled transitions 1620 [2022-12-13 14:12:18,367 INFO L134 LiptonReduction]: Checked pairs total: 5807 [2022-12-13 14:12:18,367 INFO L136 LiptonReduction]: Total number of compositions: 85 [2022-12-13 14:12:18,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:12:18,382 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;@6dd09492, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:12:18,382 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 14:12:18,385 INFO L130 PetriNetUnfolder]: 1/14 cut-off events. [2022-12-13 14:12:18,386 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 14:12:18,386 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:12:18,386 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:18,386 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 14:12:18,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:18,390 INFO L85 PathProgramCache]: Analyzing trace with hash 980692974, now seen corresponding path program 1 times [2022-12-13 14:12:18,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:18,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650781668] [2022-12-13 14:12:18,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:18,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:18,596 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 14:12:18,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:12:18,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650781668] [2022-12-13 14:12:18,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650781668] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:12:18,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:12:18,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 14:12:18,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296857672] [2022-12-13 14:12:18,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:12:18,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:12:18,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:12:18,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:12:18,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:12:18,630 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 186 [2022-12-13 14:12:18,632 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 25 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 14:12:18,633 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:12:18,633 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 186 [2022-12-13 14:12:18,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:12:18,764 INFO L130 PetriNetUnfolder]: 150/302 cut-off events. [2022-12-13 14:12:18,764 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 14:12:18,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 302 events. 150/302 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1098 event pairs, 79 based on Foata normal form. 39/300 useless extension candidates. Maximal degree in co-relation 607. Up to 184 conditions per place. [2022-12-13 14:12:18,767 INFO L137 encePairwiseOnDemand]: 177/186 looper letters, 31 selfloop transitions, 3 changer transitions 2/37 dead transitions. [2022-12-13 14:12:18,768 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 37 transitions, 155 flow [2022-12-13 14:12:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:12:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:12:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2022-12-13 14:12:18,778 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5125448028673835 [2022-12-13 14:12:18,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 286 transitions. [2022-12-13 14:12:18,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 286 transitions. [2022-12-13 14:12:18,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:12:18,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 286 transitions. [2022-12-13 14:12:18,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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 14:12:18,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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 14:12:18,790 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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 14:12:18,791 INFO L175 Difference]: Start difference. First operand has 31 places, 25 transitions, 56 flow. Second operand 3 states and 286 transitions. [2022-12-13 14:12:18,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 37 transitions, 155 flow [2022-12-13 14:12:18,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 37 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 14:12:18,794 INFO L231 Difference]: Finished difference. Result has 32 places, 24 transitions, 71 flow [2022-12-13 14:12:18,796 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=71, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2022-12-13 14:12:18,799 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2022-12-13 14:12:18,799 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 71 flow [2022-12-13 14:12:18,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 14:12:18,799 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:12:18,799 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:18,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:12:18,800 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 14:12:18,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:18,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1296396221, now seen corresponding path program 1 times [2022-12-13 14:12:18,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:18,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65956979] [2022-12-13 14:12:18,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:18,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:18,989 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 14:12:18,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:12:18,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65956979] [2022-12-13 14:12:18,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65956979] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:12:18,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:12:18,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:12:18,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418338578] [2022-12-13 14:12:18,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:12:18,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:12:18,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:12:18,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:12:18,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:12:18,997 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 186 [2022-12-13 14:12:18,997 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 24 transitions, 71 flow. Second operand has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 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 14:12:18,998 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:12:18,998 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 186 [2022-12-13 14:12:18,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:12:19,111 INFO L130 PetriNetUnfolder]: 129/263 cut-off events. [2022-12-13 14:12:19,111 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-12-13 14:12:19,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 263 events. 129/263 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 935 event pairs, 67 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 597. Up to 144 conditions per place. [2022-12-13 14:12:19,113 INFO L137 encePairwiseOnDemand]: 181/186 looper letters, 29 selfloop transitions, 3 changer transitions 0/33 dead transitions. [2022-12-13 14:12:19,113 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 33 transitions, 151 flow [2022-12-13 14:12:19,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:12:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 14:12:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 358 transitions. [2022-12-13 14:12:19,115 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48118279569892475 [2022-12-13 14:12:19,115 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 358 transitions. [2022-12-13 14:12:19,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 358 transitions. [2022-12-13 14:12:19,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:12:19,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 358 transitions. [2022-12-13 14:12:19,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 89.5) internal successors, (358), 4 states have internal predecessors, (358), 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 14:12:19,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 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 14:12:19,117 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 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 14:12:19,117 INFO L175 Difference]: Start difference. First operand has 32 places, 24 transitions, 71 flow. Second operand 4 states and 358 transitions. [2022-12-13 14:12:19,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 33 transitions, 151 flow [2022-12-13 14:12:19,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 33 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 14:12:19,118 INFO L231 Difference]: Finished difference. Result has 32 places, 22 transitions, 66 flow [2022-12-13 14:12:19,118 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=66, PETRI_PLACES=32, PETRI_TRANSITIONS=22} [2022-12-13 14:12:19,119 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, 1 predicate places. [2022-12-13 14:12:19,119 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 66 flow [2022-12-13 14:12:19,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 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 14:12:19,119 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:12:19,119 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:12:19,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:12:19,120 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 14:12:19,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:12:19,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1296396222, now seen corresponding path program 1 times [2022-12-13 14:12:19,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:12:19,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268487416] [2022-12-13 14:12:19,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:12:19,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:12:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:12:19,195 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 14:12:19,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:12:19,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268487416] [2022-12-13 14:12:19,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268487416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:12:19,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:12:19,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:12:19,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30335772] [2022-12-13 14:12:19,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:12:19,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:12:19,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:12:19,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:12:19,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:12:19,205 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 186 [2022-12-13 14:12:19,205 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 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 14:12:19,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:12:19,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 186 [2022-12-13 14:12:19,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:12:19,282 INFO L130 PetriNetUnfolder]: 87/169 cut-off events. [2022-12-13 14:12:19,283 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-12-13 14:12:19,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 169 events. 87/169 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 545 event pairs, 59 based on Foata normal form. 14/181 useless extension candidates. Maximal degree in co-relation 385. Up to 116 conditions per place. [2022-12-13 14:12:19,284 INFO L137 encePairwiseOnDemand]: 180/186 looper letters, 0 selfloop transitions, 0 changer transitions 27/27 dead transitions. [2022-12-13 14:12:19,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 27 transitions, 124 flow [2022-12-13 14:12:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:12:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 14:12:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 353 transitions. [2022-12-13 14:12:19,287 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47446236559139787 [2022-12-13 14:12:19,287 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 353 transitions. [2022-12-13 14:12:19,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 353 transitions. [2022-12-13 14:12:19,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:12:19,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 353 transitions. [2022-12-13 14:12:19,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 88.25) internal successors, (353), 4 states have internal predecessors, (353), 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 14:12:19,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 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 14:12:19,291 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 186.0) internal successors, (930), 5 states have internal predecessors, (930), 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 14:12:19,291 INFO L175 Difference]: Start difference. First operand has 32 places, 22 transitions, 66 flow. Second operand 4 states and 353 transitions. [2022-12-13 14:12:19,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 27 transitions, 124 flow [2022-12-13 14:12:19,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 27 transitions, 117 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 14:12:19,292 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2022-12-13 14:12:19,292 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2022-12-13 14:12:19,292 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, -5 predicate places. [2022-12-13 14:12:19,293 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2022-12-13 14:12:19,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 4 states have internal predecessors, (338), 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 14:12:19,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-13 14:12:19,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-13 14:12:19,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-13 14:12:19,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-13 14:12:19,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-12-13 14:12:19,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-12-13 14:12:19,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-13 14:12:19,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-13 14:12:19,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-13 14:12:19,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-13 14:12:19,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:12:19,296 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 14:12:19,300 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 14:12:19,300 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:12:19,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:12:19 BasicIcfg [2022-12-13 14:12:19,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:12:19,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:12:19,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:12:19,303 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:12:19,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:12:16" (3/4) ... [2022-12-13 14:12:19,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:12:19,308 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 14:12:19,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 14:12:19,311 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-12-13 14:12:19,311 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-13 14:12:19,311 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 14:12:19,312 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:12:19,337 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:12:19,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:12:19,338 INFO L158 Benchmark]: Toolchain (without parser) took 4376.18ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 101.7MB in the beginning and 68.8MB in the end (delta: 32.9MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2022-12-13 14:12:19,338 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory was 109.4MB in the beginning and 109.4MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:12:19,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.23ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 73.5MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 14:12:19,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.37ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 70.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:12:19,340 INFO L158 Benchmark]: Boogie Preprocessor took 21.39ms. Allocated memory is still 138.4MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:12:19,340 INFO L158 Benchmark]: RCFGBuilder took 653.21ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 68.1MB in the beginning and 108.7MB in the end (delta: -40.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-12-13 14:12:19,341 INFO L158 Benchmark]: TraceAbstraction took 3260.36ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 71.9MB in the end (delta: 35.8MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2022-12-13 14:12:19,341 INFO L158 Benchmark]: Witness Printer took 34.45ms. Allocated memory is still 167.8MB. Free memory was 71.9MB in the beginning and 68.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:12:19,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory was 109.4MB in the beginning and 109.4MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.23ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 73.5MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.37ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 70.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.39ms. Allocated memory is still 138.4MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.21ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 68.1MB in the beginning and 108.7MB in the end (delta: -40.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3260.36ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 71.9MB in the end (delta: 35.8MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Witness Printer took 34.45ms. Allocated memory is still 167.8MB. Free memory was 71.9MB in the beginning and 68.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 104 PlacesBefore, 31 PlacesAfterwards, 99 TransitionsBefore, 25 TransitionsAfterwards, 1620 CoEnabledTransitionPairs, 6 FixpointIterations, 39 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 85 TotalNumberOfCompositions, 5807 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1847, independent: 1626, independent conditional: 0, independent unconditional: 1626, dependent: 221, dependent conditional: 0, dependent unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 882, independent: 854, independent conditional: 0, independent unconditional: 854, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1847, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 193, dependent conditional: 0, dependent unconditional: 193, unknown: 882, unknown conditional: 0, unknown unconditional: 882] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: 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, 125 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: 3.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 5 mSDtfsCounter, 149 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=71occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 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 14:12:19,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb2733fb-e78d-4453-ae64-6915365edd97/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