./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca --- 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-38b53e6 [2022-11-26 00:12:33,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:12:33,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:12:33,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:12:33,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:12:33,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:12:33,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:12:33,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:12:33,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:12:33,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:12:33,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:12:33,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:12:33,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:12:33,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:12:33,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:12:33,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:12:33,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:12:33,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:12:33,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:12:33,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:12:33,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:12:33,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:12:33,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:12:33,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:12:33,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:12:33,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:12:33,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:12:33,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:12:33,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:12:33,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:12:33,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:12:33,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:12:33,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:12:33,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:12:33,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:12:33,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:12:33,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:12:33,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:12:33,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:12:33,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:12:33,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:12:33,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:12:33,400 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:12:33,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:12:33,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:12:33,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:12:33,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:12:33,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:12:33,403 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:12:33,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:12:33,404 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:12:33,404 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:12:33,405 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:12:33,406 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:12:33,406 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:12:33,406 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:12:33,407 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:12:33,407 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:12:33,407 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:12:33,408 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:12:33,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:12:33,409 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:12:33,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:12:33,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:12:33,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:12:33,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:12:33,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:12:33,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:12:33,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:12:33,411 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:12:33,411 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:12:33,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:12:33,412 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:12:33,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:12:33,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:12:33,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:12:33,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:12:33,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:12:33,414 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:12:33,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:12:33,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:12:33,415 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:12:33,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:12:33,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:12:33,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:12:33,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca [2022-11-26 00:12:33,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:12:33,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:12:33,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:12:33,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:12:33,732 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:12:33,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2022-11-26 00:12:36,899 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:12:37,225 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:12:37,226 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2022-11-26 00:12:37,240 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/data/7838ce6ba/c259bfa8574a4e47952c948b9052d05e/FLAG1b3dc09e8 [2022-11-26 00:12:37,257 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/data/7838ce6ba/c259bfa8574a4e47952c948b9052d05e [2022-11-26 00:12:37,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:12:37,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:12:37,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:12:37,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:12:37,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:12:37,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:37,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2133b138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37, skipping insertion in model container [2022-11-26 00:12:37,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:37,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:12:37,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:12:37,482 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_5f9a7db8-e811-4cb4-80d3-665e97026dcc/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i[958,971] [2022-11-26 00:12:37,647 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,647 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,647 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:12:37,708 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:12:37,728 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_5f9a7db8-e811-4cb4-80d3-665e97026dcc/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i[958,971] [2022-11-26 00:12:37,768 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,793 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,801 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,803 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,803 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,803 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,833 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,836 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:12:37,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:12:37,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:12:37,881 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:12:37,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37 WrapperNode [2022-11-26 00:12:37,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:12:37,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:12:37,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:12:37,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:12:37,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:37,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:37,948 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149 [2022-11-26 00:12:37,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:12:37,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:12:37,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:12:37,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:12:37,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:37,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:37,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:37,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:38,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:38,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:38,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:38,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:38,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:12:38,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:12:38,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:12:38,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:12:38,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (1/1) ... [2022-11-26 00:12:38,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:12:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:38,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:12:38,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:12:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:12:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:12:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:12:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:12:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:12:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-26 00:12:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-26 00:12:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-26 00:12:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-26 00:12:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-26 00:12:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-26 00:12:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-26 00:12:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-26 00:12:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:12:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:12:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:12:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:12:38,106 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:12:38,355 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:12:38,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:12:38,820 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:12:38,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:12:38,992 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:12:38,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:38 BoogieIcfgContainer [2022-11-26 00:12:38,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:12:39,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:12:39,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:12:39,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:12:39,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:12:37" (1/3) ... [2022-11-26 00:12:39,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ff31eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:12:39, skipping insertion in model container [2022-11-26 00:12:39,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:12:37" (2/3) ... [2022-11-26 00:12:39,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ff31eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:12:39, skipping insertion in model container [2022-11-26 00:12:39,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:38" (3/3) ... [2022-11-26 00:12:39,012 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_power.opt_rmo.opt.i [2022-11-26 00:12:39,047 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 00:12:39,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:12:39,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-26 00:12:39,061 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:12:39,179 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 00:12:39,232 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:12:39,249 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 145 transitions, 310 flow [2022-11-26 00:12:39,252 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 145 transitions, 310 flow [2022-11-26 00:12:39,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 145 transitions, 310 flow [2022-11-26 00:12:39,391 INFO L130 PetriNetUnfolder]: 2/141 cut-off events. [2022-11-26 00:12:39,391 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-26 00:12:39,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 141 events. 2/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 91 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2022-11-26 00:12:39,403 INFO L119 LiptonReduction]: Number of co-enabled transitions 4100 [2022-11-26 00:12:46,147 INFO L134 LiptonReduction]: Checked pairs total: 14568 [2022-11-26 00:12:46,148 INFO L136 LiptonReduction]: Total number of compositions: 124 [2022-11-26 00:12:46,163 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 38 transitions, 96 flow [2022-11-26 00:12:46,555 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7642 states, 7562 states have (on average 4.348585030415234) internal successors, (32884), 7641 states have internal predecessors, (32884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:46,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:12:46,591 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5dcf3499, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:12:46,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-26 00:12:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 7642 states, 7562 states have (on average 4.348585030415234) internal successors, (32884), 7641 states have internal predecessors, (32884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:46,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:12:46,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:46,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:12:46,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-26 00:12:46,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:46,652 INFO L85 PathProgramCache]: Analyzing trace with hash 18534426, now seen corresponding path program 1 times [2022-11-26 00:12:46,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:46,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968301416] [2022-11-26 00:12:46,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:46,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:46,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:46,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968301416] [2022-11-26 00:12:46,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968301416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:46,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:46,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:12:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678960022] [2022-11-26 00:12:46,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:46,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:12:46,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:46,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:12:46,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:12:47,027 INFO L87 Difference]: Start difference. First operand has 7642 states, 7562 states have (on average 4.348585030415234) internal successors, (32884), 7641 states have internal predecessors, (32884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:47,243 INFO L93 Difference]: Finished difference Result 3958 states and 15621 transitions. [2022-11-26 00:12:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:12:47,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-26 00:12:47,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:47,312 INFO L225 Difference]: With dead ends: 3958 [2022-11-26 00:12:47,312 INFO L226 Difference]: Without dead ends: 3958 [2022-11-26 00:12:47,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:12:47,316 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:47,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:12:47,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2022-11-26 00:12:47,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3958. [2022-11-26 00:12:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3958 states, 3943 states have (on average 3.9617042860765914) internal successors, (15621), 3957 states have internal predecessors, (15621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 3958 states and 15621 transitions. [2022-11-26 00:12:47,683 INFO L78 Accepts]: Start accepts. Automaton has 3958 states and 15621 transitions. Word has length 4 [2022-11-26 00:12:47,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:47,686 INFO L495 AbstractCegarLoop]: Abstraction has 3958 states and 15621 transitions. [2022-11-26 00:12:47,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:47,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3958 states and 15621 transitions. [2022-11-26 00:12:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 00:12:47,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:47,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 00:12:47,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:12:47,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-26 00:12:47,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:47,694 INFO L85 PathProgramCache]: Analyzing trace with hash 574566256, now seen corresponding path program 1 times [2022-11-26 00:12:47,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:47,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838392848] [2022-11-26 00:12:47,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:47,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:47,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:47,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838392848] [2022-11-26 00:12:47,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838392848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:47,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:47,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:12:47,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988921534] [2022-11-26 00:12:47,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:47,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:12:47,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:47,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:12:47,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:12:47,910 INFO L87 Difference]: Start difference. First operand 3958 states and 15621 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:48,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:48,071 INFO L93 Difference]: Finished difference Result 2830 states and 10359 transitions. [2022-11-26 00:12:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:12:48,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-26 00:12:48,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:48,097 INFO L225 Difference]: With dead ends: 2830 [2022-11-26 00:12:48,097 INFO L226 Difference]: Without dead ends: 2830 [2022-11-26 00:12:48,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:12:48,100 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 17 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:48,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:12:48,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2022-11-26 00:12:48,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2830. [2022-11-26 00:12:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2816 states have (on average 3.678622159090909) internal successors, (10359), 2829 states have internal predecessors, (10359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:48,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 10359 transitions. [2022-11-26 00:12:48,229 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 10359 transitions. Word has length 5 [2022-11-26 00:12:48,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:48,229 INFO L495 AbstractCegarLoop]: Abstraction has 2830 states and 10359 transitions. [2022-11-26 00:12:48,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:48,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 10359 transitions. [2022-11-26 00:12:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:12:48,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:48,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:12:48,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:12:48,233 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-26 00:12:48,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:48,233 INFO L85 PathProgramCache]: Analyzing trace with hash -621390647, now seen corresponding path program 1 times [2022-11-26 00:12:48,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:48,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5574597] [2022-11-26 00:12:48,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:48,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:48,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:48,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5574597] [2022-11-26 00:12:48,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5574597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:48,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:48,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:12:48,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344892258] [2022-11-26 00:12:48,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:48,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:12:48,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:48,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:12:48,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:12:48,411 INFO L87 Difference]: Start difference. First operand 2830 states and 10359 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:48,571 INFO L93 Difference]: Finished difference Result 2012 states and 7333 transitions. [2022-11-26 00:12:48,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:12:48,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-26 00:12:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:48,587 INFO L225 Difference]: With dead ends: 2012 [2022-11-26 00:12:48,587 INFO L226 Difference]: Without dead ends: 2012 [2022-11-26 00:12:48,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:12:48,589 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 45 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:48,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 6 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:12:48,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2022-11-26 00:12:48,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 2012. [2022-11-26 00:12:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2012 states, 2002 states have (on average 3.662837162837163) internal successors, (7333), 2011 states have internal predecessors, (7333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 7333 transitions. [2022-11-26 00:12:48,725 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 7333 transitions. Word has length 10 [2022-11-26 00:12:48,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:48,726 INFO L495 AbstractCegarLoop]: Abstraction has 2012 states and 7333 transitions. [2022-11-26 00:12:48,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:48,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 7333 transitions. [2022-11-26 00:12:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:12:48,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:48,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:12:48,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:12:48,741 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-26 00:12:48,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:48,742 INFO L85 PathProgramCache]: Analyzing trace with hash -572994888, now seen corresponding path program 1 times [2022-11-26 00:12:48,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:48,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724829513] [2022-11-26 00:12:48,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:48,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:48,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:48,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724829513] [2022-11-26 00:12:48,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724829513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:48,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:48,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:12:48,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910137821] [2022-11-26 00:12:48,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:48,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:12:48,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:48,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:12:48,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:12:48,879 INFO L87 Difference]: Start difference. First operand 2012 states and 7333 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:49,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:49,080 INFO L93 Difference]: Finished difference Result 1814 states and 6793 transitions. [2022-11-26 00:12:49,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:12:49,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-26 00:12:49,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:49,094 INFO L225 Difference]: With dead ends: 1814 [2022-11-26 00:12:49,094 INFO L226 Difference]: Without dead ends: 1814 [2022-11-26 00:12:49,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:12:49,096 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 78 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:49,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 8 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:12:49,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2022-11-26 00:12:49,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1814. [2022-11-26 00:12:49,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1814 states, 1810 states have (on average 3.7530386740331494) internal successors, (6793), 1813 states have internal predecessors, (6793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 6793 transitions. [2022-11-26 00:12:49,229 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 6793 transitions. Word has length 16 [2022-11-26 00:12:49,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:49,230 INFO L495 AbstractCegarLoop]: Abstraction has 1814 states and 6793 transitions. [2022-11-26 00:12:49,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 6793 transitions. [2022-11-26 00:12:49,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:12:49,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:49,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:12:49,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:12:49,238 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-26 00:12:49,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:49,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1918239916, now seen corresponding path program 1 times [2022-11-26 00:12:49,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:12:49,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375743971] [2022-11-26 00:12:49,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:49,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:12:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:49,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:12:49,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375743971] [2022-11-26 00:12:49,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375743971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:49,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:49,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:12:49,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364193701] [2022-11-26 00:12:49,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:49,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:12:49,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:12:49,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:12:49,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:12:49,419 INFO L87 Difference]: Start difference. First operand 1814 states and 6793 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:49,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:49,594 INFO L93 Difference]: Finished difference Result 1798 states and 6765 transitions. [2022-11-26 00:12:49,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:12:49,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-26 00:12:49,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:49,595 INFO L225 Difference]: With dead ends: 1798 [2022-11-26 00:12:49,595 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:12:49,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:12:49,596 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 76 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:49,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 8 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:12:49,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:12:49,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:12:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:12:49,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-11-26 00:12:49,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:49,597 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:12:49,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:12:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:12:49,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:12:49,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-26 00:12:49,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-26 00:12:49,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-26 00:12:49,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-26 00:12:49,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-26 00:12:49,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-26 00:12:49,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-26 00:12:49,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-26 00:12:49,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-11-26 00:12:49,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-11-26 00:12:49,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-11-26 00:12:49,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-11-26 00:12:49,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-26 00:12:49,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-26 00:12:49,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-26 00:12:49,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-26 00:12:49,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-26 00:12:49,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-26 00:12:49,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-26 00:12:49,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-26 00:12:49,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:12:49,611 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-26 00:12:49,616 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-26 00:12:49,616 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:12:49,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:12:49 BasicIcfg [2022-11-26 00:12:49,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:12:49,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:12:49,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:12:49,620 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:12:49,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:38" (3/4) ... [2022-11-26 00:12:49,623 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:12:49,628 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-26 00:12:49,628 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-26 00:12:49,628 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-26 00:12:49,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-11-26 00:12:49,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-26 00:12:49,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-26 00:12:49,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 00:12:49,634 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:12:49,676 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:12:49,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:12:49,677 INFO L158 Benchmark]: Toolchain (without parser) took 12415.93ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 135.2MB in the beginning and 97.8MB in the end (delta: 37.3MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. [2022-11-26 00:12:49,677 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 176.2MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:12:49,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.43ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 106.9MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:12:49,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.03ms. Allocated memory is still 176.2MB. Free memory was 106.9MB in the beginning and 104.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:12:49,678 INFO L158 Benchmark]: Boogie Preprocessor took 67.00ms. Allocated memory is still 176.2MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:12:49,678 INFO L158 Benchmark]: RCFGBuilder took 980.23ms. Allocated memory is still 176.2MB. Free memory was 102.7MB in the beginning and 142.8MB in the end (delta: -40.1MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-11-26 00:12:49,678 INFO L158 Benchmark]: TraceAbstraction took 10619.07ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 142.1MB in the beginning and 101.0MB in the end (delta: 41.1MB). Peak memory consumption was 135.9MB. Max. memory is 16.1GB. [2022-11-26 00:12:49,680 INFO L158 Benchmark]: Witness Printer took 56.65ms. Allocated memory is still 270.5MB. Free memory was 101.0MB in the beginning and 97.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:12:49,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 176.2MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.43ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 106.9MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.03ms. Allocated memory is still 176.2MB. Free memory was 106.9MB in the beginning and 104.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.00ms. Allocated memory is still 176.2MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 980.23ms. Allocated memory is still 176.2MB. Free memory was 102.7MB in the beginning and 142.8MB in the end (delta: -40.1MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10619.07ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 142.1MB in the beginning and 101.0MB in the end (delta: 41.1MB). Peak memory consumption was 135.9MB. Max. memory is 16.1GB. * Witness Printer took 56.65ms. Allocated memory is still 270.5MB. Free memory was 101.0MB in the beginning and 97.8MB 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: 6.9s, 156 PlacesBefore, 50 PlacesAfterwards, 145 TransitionsBefore, 38 TransitionsAfterwards, 4100 CoEnabledTransitionPairs, 8 FixpointIterations, 48 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 124 TotalNumberOfCompositions, 14568 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6184, independent: 5832, independent conditional: 0, independent unconditional: 5832, dependent: 352, dependent conditional: 0, dependent unconditional: 352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2940, independent: 2856, independent conditional: 0, independent unconditional: 2856, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2940, independent: 2786, independent conditional: 0, independent unconditional: 2786, dependent: 154, dependent conditional: 0, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 154, independent: 70, independent conditional: 0, independent unconditional: 70, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 762, independent: 181, independent conditional: 0, independent unconditional: 181, dependent: 581, dependent conditional: 0, dependent unconditional: 581, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6184, independent: 2976, independent conditional: 0, independent unconditional: 2976, dependent: 268, dependent conditional: 0, dependent unconditional: 268, unknown: 2940, unknown conditional: 0, unknown unconditional: 2940] , Statistics on independence cache: Total cache size (in pairs): 336, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: 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 9 procedures, 188 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 238 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 238 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 318 IncrementalHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 10 mSDtfsCounter, 318 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7642occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-26 00:12:49,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9a7db8-e811-4cb4-80d3-665e97026dcc/bin/utaipan-ByfvJB40ur/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