./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.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_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/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_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/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_d971f304-f475-4d71-a614-f25a7303aa9d/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 03b62196b25662d8efd4f9890b2a9ba3be7263fa8e2874a92734800e01910b00 --- 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 [2022-11-25 22:30:37,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:30:37,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:30:37,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:30:37,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:30:37,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:30:37,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:30:37,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:30:37,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:30:37,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:30:37,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:30:37,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:30:37,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:30:37,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:30:37,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:30:37,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:30:37,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:30:37,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:30:37,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:30:37,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:30:37,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:30:37,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:30:37,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:30:37,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:30:37,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:30:37,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:30:37,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:30:37,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:30:37,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:30:37,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:30:37,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:30:37,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:30:37,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:30:37,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:30:37,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:30:37,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:30:37,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:30:37,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:30:37,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:30:37,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:30:37,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:30:37,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 22:30:37,682 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:30:37,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:30:37,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:30:37,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:30:37,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:30:37,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:30:37,685 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:30:37,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:30:37,685 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:30:37,685 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:30:37,686 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:30:37,686 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:30:37,686 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:30:37,686 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:30:37,687 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:30:37,687 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:30:37,687 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:30:37,687 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:30:37,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:30:37,688 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:30:37,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:30:37,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:30:37,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:30:37,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:30:37,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:30:37,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:30:37,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:30:37,690 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:30:37,690 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:30:37,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:30:37,691 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:30:37,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:30:37,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:30:37,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:30:37,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:37,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:30:37,692 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:30:37,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:30:37,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:30:37,693 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:30:37,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:30:37,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:30:37,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:30:37,708 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_d971f304-f475-4d71-a614-f25a7303aa9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b62196b25662d8efd4f9890b2a9ba3be7263fa8e2874a92734800e01910b00 [2022-11-25 22:30:38,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:30:38,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:30:38,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:30:38,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:30:38,133 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:30:38,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i [2022-11-25 22:30:41,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:30:41,744 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:30:41,750 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i [2022-11-25 22:30:41,774 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/data/045c4e67e/8c932fc529b249dab2f3c00b0ed618f3/FLAG7f9d6a608 [2022-11-25 22:30:41,790 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/data/045c4e67e/8c932fc529b249dab2f3c00b0ed618f3 [2022-11-25 22:30:41,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:30:41,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:30:41,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:41,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:30:41,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:30:41,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:41" (1/1) ... [2022-11-25 22:30:41,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8b7da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:41, skipping insertion in model container [2022-11-25 22:30:41,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:41" (1/1) ... [2022-11-25 22:30:41,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:30:41,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:30:42,065 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_d971f304-f475-4d71-a614-f25a7303aa9d/sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-25 22:30:42,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,380 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,392 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,440 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:42,467 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:30:42,487 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_d971f304-f475-4d71-a614-f25a7303aa9d/sv-benchmarks/c/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-25 22:30:42,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,553 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,578 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,580 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,580 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,597 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,599 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 22:30:42,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 22:30:42,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:42,670 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:30:42,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42 WrapperNode [2022-11-25 22:30:42,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:42,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:42,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:30:42,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:30:42,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,763 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145 [2022-11-25 22:30:42,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:42,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:30:42,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:30:42,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:30:42,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:30:42,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:30:42,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:30:42,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:30:42,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (1/1) ... [2022-11-25 22:30:42,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:42,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:42,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:30:42,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:30:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:30:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 22:30:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:30:42,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:30:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:30:42,942 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 22:30:42,942 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 22:30:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 22:30:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 22:30:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 22:30:42,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 22:30:42,944 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-25 22:30:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-25 22:30:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:30:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 22:30:42,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:30:42,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:30:42,947 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 22:30:43,109 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:30:43,112 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:30:43,584 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:30:43,857 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:30:43,857 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:30:43,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:30:43 BoogieIcfgContainer [2022-11-25 22:30:43,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:30:43,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:30:43,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:30:43,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:30:43,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:30:41" (1/3) ... [2022-11-25 22:30:43,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784c4ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:30:43, skipping insertion in model container [2022-11-25 22:30:43,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:42" (2/3) ... [2022-11-25 22:30:43,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784c4ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:30:43, skipping insertion in model container [2022-11-25 22:30:43,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:30:43" (3/3) ... [2022-11-25 22:30:43,870 INFO L112 eAbstractionObserver]: Analyzing ICFG mix053_power.oepc_pso.oepc_rmo.oepc.i [2022-11-25 22:30:43,879 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 22:30:43,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:30:43,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 22:30:43,890 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 22:30:44,001 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 22:30:44,040 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 22:30:44,065 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 141 transitions, 302 flow [2022-11-25 22:30:44,075 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 141 transitions, 302 flow [2022-11-25 22:30:44,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 141 transitions, 302 flow [2022-11-25 22:30:44,203 INFO L130 PetriNetUnfolder]: 2/137 cut-off events. [2022-11-25 22:30:44,206 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 22:30:44,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 137 events. 2/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2022-11-25 22:30:44,221 INFO L119 LiptonReduction]: Number of co-enabled transitions 4176 [2022-11-25 22:30:51,012 INFO L134 LiptonReduction]: Checked pairs total: 13020 [2022-11-25 22:30:51,013 INFO L136 LiptonReduction]: Total number of compositions: 113 [2022-11-25 22:30:51,029 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 39 transitions, 98 flow [2022-11-25 22:30:51,583 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10400 states, 10320 states have (on average 4.152713178294573) internal successors, (42856), 10399 states have internal predecessors, (42856), 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) [2022-11-25 22:30:51,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:30:51,620 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;@7c01c7a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:30:51,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-25 22:30:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 10400 states, 10320 states have (on average 4.152713178294573) internal successors, (42856), 10399 states have internal predecessors, (42856), 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) [2022-11-25 22:30:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 22:30:51,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:51,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 22:30:51,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-25 22:30:51,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:51,691 INFO L85 PathProgramCache]: Analyzing trace with hash 572789693, now seen corresponding path program 1 times [2022-11-25 22:30:51,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:51,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909376871] [2022-11-25 22:30:51,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:51,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:30:52,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:52,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909376871] [2022-11-25 22:30:52,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909376871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:52,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:52,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 22:30:52,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342721230] [2022-11-25 22:30:52,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:52,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:30:52,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:52,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:30:52,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:30:52,183 INFO L87 Difference]: Start difference. First operand has 10400 states, 10320 states have (on average 4.152713178294573) internal successors, (42856), 10399 states have internal predecessors, (42856), 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 2.5) 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) [2022-11-25 22:30:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:52,582 INFO L93 Difference]: Finished difference Result 5892 states and 21752 transitions. [2022-11-25 22:30:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:30:52,585 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 [2022-11-25 22:30:52,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:52,668 INFO L225 Difference]: With dead ends: 5892 [2022-11-25 22:30:52,669 INFO L226 Difference]: Without dead ends: 5892 [2022-11-25 22:30:52,670 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 [2022-11-25 22:30:52,673 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 19 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:52,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 6 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:30:52,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5892 states. [2022-11-25 22:30:52,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5892 to 5892. [2022-11-25 22:30:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5892 states, 5828 states have (on average 3.7323266986959505) internal successors, (21752), 5891 states have internal predecessors, (21752), 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) [2022-11-25 22:30:53,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5892 states to 5892 states and 21752 transitions. [2022-11-25 22:30:53,038 INFO L78 Accepts]: Start accepts. Automaton has 5892 states and 21752 transitions. Word has length 5 [2022-11-25 22:30:53,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:53,039 INFO L495 AbstractCegarLoop]: Abstraction has 5892 states and 21752 transitions. [2022-11-25 22:30:53,040 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) [2022-11-25 22:30:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5892 states and 21752 transitions. [2022-11-25 22:30:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 22:30:53,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:53,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:53,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:30:53,043 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-25 22:30:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:53,043 INFO L85 PathProgramCache]: Analyzing trace with hash -66345827, now seen corresponding path program 1 times [2022-11-25 22:30:53,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:53,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285182724] [2022-11-25 22:30:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:53,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:30:53,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:53,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285182724] [2022-11-25 22:30:53,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285182724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:53,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:53,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:30:53,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935360929] [2022-11-25 22:30:53,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:53,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:53,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:53,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:53,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:53,337 INFO L87 Difference]: Start difference. First operand 5892 states and 21752 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:30:53,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:53,561 INFO L93 Difference]: Finished difference Result 4080 states and 15320 transitions. [2022-11-25 22:30:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:53,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 22:30:53,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:53,594 INFO L225 Difference]: With dead ends: 4080 [2022-11-25 22:30:53,594 INFO L226 Difference]: Without dead ends: 4080 [2022-11-25 22:30:53,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:53,598 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 39 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:53,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 12 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:30:53,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2022-11-25 22:30:53,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 4080. [2022-11-25 22:30:53,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4080 states, 4066 states have (on average 3.767830791933104) internal successors, (15320), 4079 states have internal predecessors, (15320), 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) [2022-11-25 22:30:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4080 states to 4080 states and 15320 transitions. [2022-11-25 22:30:53,832 INFO L78 Accepts]: Start accepts. Automaton has 4080 states and 15320 transitions. Word has length 11 [2022-11-25 22:30:53,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:53,834 INFO L495 AbstractCegarLoop]: Abstraction has 4080 states and 15320 transitions. [2022-11-25 22:30:53,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:30:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand 4080 states and 15320 transitions. [2022-11-25 22:30:53,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:30:53,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:53,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:53,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:30:53,847 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-25 22:30:53,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:53,848 INFO L85 PathProgramCache]: Analyzing trace with hash -2056722415, now seen corresponding path program 1 times [2022-11-25 22:30:53,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:53,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885918307] [2022-11-25 22:30:53,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:53,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:30:54,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:54,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885918307] [2022-11-25 22:30:54,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885918307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:54,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:54,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:30:54,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578033948] [2022-11-25 22:30:54,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:54,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:54,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:54,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:54,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:54,027 INFO L87 Difference]: Start difference. First operand 4080 states and 15320 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-25 22:30:54,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:54,215 INFO L93 Difference]: Finished difference Result 3046 states and 11490 transitions. [2022-11-25 22:30:54,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:54,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-11-25 22:30:54,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:54,240 INFO L225 Difference]: With dead ends: 3046 [2022-11-25 22:30:54,240 INFO L226 Difference]: Without dead ends: 3046 [2022-11-25 22:30:54,240 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 [2022-11-25 22:30:54,241 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 34 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:54,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 9 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:30:54,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2022-11-25 22:30:54,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 3046. [2022-11-25 22:30:54,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3046 states, 3036 states have (on average 3.7845849802371543) internal successors, (11490), 3045 states have internal predecessors, (11490), 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) [2022-11-25 22:30:54,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 11490 transitions. [2022-11-25 22:30:54,427 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 11490 transitions. Word has length 12 [2022-11-25 22:30:54,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:54,428 INFO L495 AbstractCegarLoop]: Abstraction has 3046 states and 11490 transitions. [2022-11-25 22:30:54,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-25 22:30:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 11490 transitions. [2022-11-25 22:30:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 22:30:54,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:54,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:54,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:30:54,436 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-25 22:30:54,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:54,436 INFO L85 PathProgramCache]: Analyzing trace with hash -233388599, now seen corresponding path program 1 times [2022-11-25 22:30:54,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:54,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715717630] [2022-11-25 22:30:54,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:54,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:30:54,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:54,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715717630] [2022-11-25 22:30:54,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715717630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:54,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:54,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:30:54,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699867717] [2022-11-25 22:30:54,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:54,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:30:54,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:54,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:30:54,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:54,594 INFO L87 Difference]: Start difference. First operand 3046 states and 11490 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-25 22:30:54,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:54,861 INFO L93 Difference]: Finished difference Result 2824 states and 10884 transitions. [2022-11-25 22:30:54,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:54,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2022-11-25 22:30:54,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:54,886 INFO L225 Difference]: With dead ends: 2824 [2022-11-25 22:30:54,886 INFO L226 Difference]: Without dead ends: 2824 [2022-11-25 22:30:54,886 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 [2022-11-25 22:30:54,887 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 66 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:54,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 12 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:30:54,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2022-11-25 22:30:54,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2824. [2022-11-25 22:30:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2820 states have (on average 3.8595744680851065) internal successors, (10884), 2823 states have internal predecessors, (10884), 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) [2022-11-25 22:30:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 10884 transitions. [2022-11-25 22:30:55,023 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 10884 transitions. Word has length 18 [2022-11-25 22:30:55,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:55,025 INFO L495 AbstractCegarLoop]: Abstraction has 2824 states and 10884 transitions. [2022-11-25 22:30:55,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-11-25 22:30:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 10884 transitions. [2022-11-25 22:30:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 22:30:55,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:55,040 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, 1, 1] [2022-11-25 22:30:55,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:30:55,040 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-25 22:30:55,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:55,041 INFO L85 PathProgramCache]: Analyzing trace with hash -960047486, now seen corresponding path program 1 times [2022-11-25 22:30:55,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:55,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473069280] [2022-11-25 22:30:55,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:55,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:30:55,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:55,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473069280] [2022-11-25 22:30:55,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473069280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:55,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:55,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:55,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652624991] [2022-11-25 22:30:55,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:55,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:30:55,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:55,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:30:55,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:30:55,248 INFO L87 Difference]: Start difference. First operand 2824 states and 10884 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-25 22:30:55,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:55,515 INFO L93 Difference]: Finished difference Result 2808 states and 10856 transitions. [2022-11-25 22:30:55,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:30:55,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2022-11-25 22:30:55,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:55,517 INFO L225 Difference]: With dead ends: 2808 [2022-11-25 22:30:55,517 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:30:55,517 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 [2022-11-25 22:30:55,518 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 106 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:55,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 12 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 22:30:55,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:30:55,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:30:55,519 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) [2022-11-25 22:30:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:30:55,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-11-25 22:30:55,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:55,520 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:30:55,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-25 22:30:55,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:30:55,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:30:55,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-25 22:30:55,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-25 22:30:55,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-25 22:30:55,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-25 22:30:55,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-25 22:30:55,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-25 22:30:55,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-25 22:30:55,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-25 22:30:55,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-11-25 22:30:55,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-11-25 22:30:55,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-11-25 22:30:55,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-11-25 22:30:55,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-25 22:30:55,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-25 22:30:55,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-25 22:30:55,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-25 22:30:55,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-25 22:30:55,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-25 22:30:55,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-25 22:30:55,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-25 22:30:55,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:30:55,531 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-25 22:30:55,536 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 22:30:55,536 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:30:55,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:30:55 BasicIcfg [2022-11-25 22:30:55,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:30:55,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:30:55,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:30:55,540 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:30:55,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:30:43" (3/4) ... [2022-11-25 22:30:55,543 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:30:55,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-25 22:30:55,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-25 22:30:55,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-25 22:30:55,549 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-11-25 22:30:55,554 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-25 22:30:55,555 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 22:30:55,555 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 22:30:55,555 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:30:55,591 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:30:55,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:30:55,592 INFO L158 Benchmark]: Toolchain (without parser) took 13797.58ms. Allocated memory was 172.0MB in the beginning and 377.5MB in the end (delta: 205.5MB). Free memory was 141.6MB in the beginning and 214.2MB in the end (delta: -72.6MB). Peak memory consumption was 133.5MB. Max. memory is 16.1GB. [2022-11-25 22:30:55,592 INFO L158 Benchmark]: CDTParser took 1.86ms. Allocated memory is still 130.0MB. Free memory was 96.3MB in the beginning and 96.2MB in the end (delta: 151.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:30:55,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 875.27ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 115.0MB in the end (delta: 26.5MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-11-25 22:30:55,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.53ms. Allocated memory is still 172.0MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:30:55,594 INFO L158 Benchmark]: Boogie Preprocessor took 77.59ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 110.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:30:55,594 INFO L158 Benchmark]: RCFGBuilder took 1017.83ms. Allocated memory is still 172.0MB. Free memory was 110.7MB in the beginning and 123.7MB in the end (delta: -13.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 22:30:55,594 INFO L158 Benchmark]: TraceAbstraction took 11676.54ms. Allocated memory was 172.0MB in the beginning and 377.5MB in the end (delta: 205.5MB). Free memory was 122.7MB in the beginning and 217.4MB in the end (delta: -94.7MB). Peak memory consumption was 112.9MB. Max. memory is 16.1GB. [2022-11-25 22:30:55,595 INFO L158 Benchmark]: Witness Printer took 51.90ms. Allocated memory is still 377.5MB. Free memory was 217.4MB in the beginning and 214.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:30:55,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.86ms. Allocated memory is still 130.0MB. Free memory was 96.3MB in the beginning and 96.2MB in the end (delta: 151.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 875.27ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 115.0MB in the end (delta: 26.5MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.53ms. Allocated memory is still 172.0MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.59ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 110.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1017.83ms. Allocated memory is still 172.0MB. Free memory was 110.7MB in the beginning and 123.7MB in the end (delta: -13.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 11676.54ms. Allocated memory was 172.0MB in the beginning and 377.5MB in the end (delta: 205.5MB). Free memory was 122.7MB in the beginning and 217.4MB in the end (delta: -94.7MB). Peak memory consumption was 112.9MB. Max. memory is 16.1GB. * Witness Printer took 51.90ms. Allocated memory is still 377.5MB. Free memory was 217.4MB in the beginning and 214.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9s, 152 PlacesBefore, 52 PlacesAfterwards, 141 TransitionsBefore, 39 TransitionsAfterwards, 4176 CoEnabledTransitionPairs, 6 FixpointIterations, 44 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 113 TotalNumberOfCompositions, 13020 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5698, independent: 5409, independent conditional: 0, independent unconditional: 5409, dependent: 289, dependent conditional: 0, dependent unconditional: 289, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2846, independent: 2733, independent conditional: 0, independent unconditional: 2733, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2846, independent: 2694, independent conditional: 0, independent unconditional: 2694, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 152, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1233, independent: 89, independent conditional: 0, independent unconditional: 89, dependent: 1144, dependent conditional: 0, dependent unconditional: 1144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5698, independent: 2676, independent conditional: 0, independent unconditional: 2676, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 2846, unknown conditional: 0, unknown unconditional: 2846] , Statistics on independence cache: Total cache size (in pairs): 332, Positive cache size: 298, Positive conditional cache size: 0, Positive unconditional cache size: 298, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, 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: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 811]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 811]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 844]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 844]: 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, 184 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 264 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 420 IncrementalHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 18 mSDtfsCounter, 420 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10400occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 195 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! [2022-11-25 22:30:55,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d971f304-f475-4d71-a614-f25a7303aa9d/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