./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix023_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/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_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix023_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/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_44272087-7942-4f2b-9144-efa7886ef50b/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 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 --- 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 23:30:05,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:30:05,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:30:05,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:30:05,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:30:05,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:30:05,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:30:05,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:30:05,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:30:05,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:30:05,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:30:05,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:30:05,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:30:05,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:30:05,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:30:05,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:30:05,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:30:05,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:30:05,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:30:05,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:30:05,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:30:05,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:30:05,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:30:05,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:30:05,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:30:05,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:30:05,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:30:05,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:30:05,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:30:05,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:30:05,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:30:05,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:30:05,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:30:05,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:30:05,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:30:05,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:30:05,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:30:05,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:30:05,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:30:05,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:30:05,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:30:05,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:30:05,154 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:30:05,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:30:05,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:30:05,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:30:05,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:30:05,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:30:05,179 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:30:05,179 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:30:05,179 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:30:05,179 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:30:05,180 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:30:05,181 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:30:05,181 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:30:05,181 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:30:05,181 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:30:05,182 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:30:05,182 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:30:05,182 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:30:05,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:30:05,183 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:30:05,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:30:05,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:30:05,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:30:05,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:30:05,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:30:05,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:30:05,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:30:05,185 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:30:05,185 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:30:05,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:30:05,186 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:30:05,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:30:05,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:30:05,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:30:05,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:30:05,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:30:05,189 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:30:05,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:30:05,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:30:05,189 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:30:05,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:30:05,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:30:05,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:30:05,190 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_44272087-7942-4f2b-9144-efa7886ef50b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19245e5542f28ce8a07a1858e0d4c05190b543a3d82e804c6a4eebc044c13d81 [2022-11-25 23:30:05,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:30:05,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:30:05,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:30:05,504 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:30:05,504 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:30:05,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-wmm/mix023_tso.i [2022-11-25 23:30:08,636 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:30:08,899 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:30:08,899 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/sv-benchmarks/c/pthread-wmm/mix023_tso.i [2022-11-25 23:30:08,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/data/b897a3e9b/3fc82c0e3c9a4cd88e9eafaaf9b46e47/FLAG9e04c1ec7 [2022-11-25 23:30:08,949 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/data/b897a3e9b/3fc82c0e3c9a4cd88e9eafaaf9b46e47 [2022-11-25 23:30:08,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:30:08,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:30:08,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:30:08,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:30:08,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:30:08,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:30:08" (1/1) ... [2022-11-25 23:30:08,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252f879b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:08, skipping insertion in model container [2022-11-25 23:30:08,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:30:08" (1/1) ... [2022-11-25 23:30:08,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:30:09,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:30:09,229 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_44272087-7942-4f2b-9144-efa7886ef50b/sv-benchmarks/c/pthread-wmm/mix023_tso.i[944,957] [2022-11-25 23:30:09,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,498 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,498 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,553 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,553 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,573 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,574 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,590 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:30:09,657 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:30:09,674 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_44272087-7942-4f2b-9144-efa7886ef50b/sv-benchmarks/c/pthread-wmm/mix023_tso.i[944,957] [2022-11-25 23:30:09,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,728 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,728 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,732 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,734 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,773 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,779 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,779 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,782 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:30:09,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:30:09,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:30:09,850 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:30:09,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09 WrapperNode [2022-11-25 23:30:09,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:30:09,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:30:09,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:30:09,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:30:09,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:09,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:09,958 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 278 [2022-11-25 23:30:09,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:30:09,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:30:09,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:30:09,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:30:09,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:09,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:09,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:09,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:10,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:10,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:10,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:10,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:10,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:30:10,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:30:10,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:30:10,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:30:10,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (1/1) ... [2022-11-25 23:30:10,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:30:10,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:30:10,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:30:10,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:30:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:30:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 23:30:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:30:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:30:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:30:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 23:30:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 23:30:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 23:30:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 23:30:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 23:30:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 23:30:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-25 23:30:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-25 23:30:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:30:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 23:30:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:30:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:30:10,145 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 23:30:10,319 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:30:10,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:30:11,029 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:30:11,315 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:30:11,318 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:30:11,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:30:11 BoogieIcfgContainer [2022-11-25 23:30:11,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:30:11,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:30:11,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:30:11,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:30:11,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:30:08" (1/3) ... [2022-11-25 23:30:11,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca0a17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:30:11, skipping insertion in model container [2022-11-25 23:30:11,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:30:09" (2/3) ... [2022-11-25 23:30:11,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca0a17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:30:11, skipping insertion in model container [2022-11-25 23:30:11,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:30:11" (3/3) ... [2022-11-25 23:30:11,343 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_tso.i [2022-11-25 23:30:11,354 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:30:11,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:30:11,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 23:30:11,366 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 23:30:11,442 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 23:30:11,486 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:30:11,505 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 163 transitions, 346 flow [2022-11-25 23:30:11,514 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 163 transitions, 346 flow [2022-11-25 23:30:11,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 163 transitions, 346 flow [2022-11-25 23:30:11,616 INFO L130 PetriNetUnfolder]: 2/159 cut-off events. [2022-11-25 23:30:11,616 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 23:30:11,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 159 events. 2/159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 98 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2022-11-25 23:30:11,630 INFO L119 LiptonReduction]: Number of co-enabled transitions 4450 [2022-11-25 23:30:24,536 INFO L134 LiptonReduction]: Checked pairs total: 17656 [2022-11-25 23:30:24,537 INFO L136 LiptonReduction]: Total number of compositions: 136 [2022-11-25 23:30:24,546 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 42 transitions, 104 flow [2022-11-25 23:30:25,200 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13452 states, 13372 states have (on average 4.421776847143285) internal successors, (59128), 13451 states have internal predecessors, (59128), 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 23:30:25,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:30:25,240 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;@423a4bbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:30:25,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-25 23:30:25,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 13452 states, 13372 states have (on average 4.421776847143285) internal successors, (59128), 13451 states have internal predecessors, (59128), 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 23:30:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 23:30:25,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:25,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 23:30:25,311 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 23:30:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:25,321 INFO L85 PathProgramCache]: Analyzing trace with hash 792587546, now seen corresponding path program 1 times [2022-11-25 23:30:25,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:25,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492567766] [2022-11-25 23:30:25,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:25,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:25,728 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 23:30:25,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:25,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492567766] [2022-11-25 23:30:25,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492567766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:30:25,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:30:25,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:30:25,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758812326] [2022-11-25 23:30:25,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:30:25,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:30:25,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:25,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:30:25,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:30:25,799 INFO L87 Difference]: Start difference. First operand has 13452 states, 13372 states have (on average 4.421776847143285) internal successors, (59128), 13451 states have internal predecessors, (59128), 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 23:30:26,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:26,288 INFO L93 Difference]: Finished difference Result 7654 states and 31155 transitions. [2022-11-25 23:30:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:30:26,291 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 23:30:26,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:26,403 INFO L225 Difference]: With dead ends: 7654 [2022-11-25 23:30:26,404 INFO L226 Difference]: Without dead ends: 7654 [2022-11-25 23:30:26,405 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 23:30:26,411 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:26,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 4 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:30:26,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7654 states. [2022-11-25 23:30:26,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7654 to 7654. [2022-11-25 23:30:26,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7654 states, 7639 states have (on average 4.078413404895929) internal successors, (31155), 7653 states have internal predecessors, (31155), 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 23:30:26,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7654 states to 7654 states and 31155 transitions. [2022-11-25 23:30:26,945 INFO L78 Accepts]: Start accepts. Automaton has 7654 states and 31155 transitions. Word has length 5 [2022-11-25 23:30:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:26,947 INFO L495 AbstractCegarLoop]: Abstraction has 7654 states and 31155 transitions. [2022-11-25 23:30:26,951 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 23:30:26,951 INFO L276 IsEmpty]: Start isEmpty. Operand 7654 states and 31155 transitions. [2022-11-25 23:30:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:30:26,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:26,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:30:26,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:30:26,953 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-25 23:30:26,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:26,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1199591112, now seen corresponding path program 1 times [2022-11-25 23:30:26,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:26,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431278000] [2022-11-25 23:30:26,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:26,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:27,025 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 23:30:27,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:27,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431278000] [2022-11-25 23:30:27,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431278000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:30:27,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:30:27,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:30:27,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875552394] [2022-11-25 23:30:27,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:30:27,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:30:27,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:27,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:30:27,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:30:27,029 INFO L87 Difference]: Start difference. First operand 7654 states and 31155 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 23:30:27,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:27,347 INFO L93 Difference]: Finished difference Result 5492 states and 21031 transitions. [2022-11-25 23:30:27,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:30:27,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-11-25 23:30:27,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:27,397 INFO L225 Difference]: With dead ends: 5492 [2022-11-25 23:30:27,397 INFO L226 Difference]: Without dead ends: 5492 [2022-11-25 23:30:27,398 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 23:30:27,399 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 20 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:27,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 8 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:30:27,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2022-11-25 23:30:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 5492. [2022-11-25 23:30:27,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 5478 states have (on average 3.8391748813435562) internal successors, (21031), 5491 states have internal predecessors, (21031), 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 23:30:27,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 21031 transitions. [2022-11-25 23:30:27,658 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 21031 transitions. Word has length 6 [2022-11-25 23:30:27,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:27,659 INFO L495 AbstractCegarLoop]: Abstraction has 5492 states and 21031 transitions. [2022-11-25 23:30:27,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 23:30:27,659 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 21031 transitions. [2022-11-25 23:30:27,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:30:27,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:27,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:27,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:30:27,665 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-25 23:30:27,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:27,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2019404316, now seen corresponding path program 1 times [2022-11-25 23:30:27,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:27,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492052575] [2022-11-25 23:30:27,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:27,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:27,898 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 23:30:27,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:27,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492052575] [2022-11-25 23:30:27,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492052575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:30:27,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:30:27,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:30:27,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383657573] [2022-11-25 23:30:27,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:30:27,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:30:27,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:27,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:30:27,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:30:27,904 INFO L87 Difference]: Start difference. First operand 5492 states and 21031 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 23:30:28,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:28,174 INFO L93 Difference]: Finished difference Result 4230 states and 16349 transitions. [2022-11-25 23:30:28,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:30:28,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-11-25 23:30:28,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:28,199 INFO L225 Difference]: With dead ends: 4230 [2022-11-25 23:30:28,199 INFO L226 Difference]: Without dead ends: 4230 [2022-11-25 23:30:28,199 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 23:30:28,200 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 37 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:28,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 12 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:30:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4230 states. [2022-11-25 23:30:28,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4230 to 4230. [2022-11-25 23:30:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4230 states, 4220 states have (on average 3.874170616113744) internal successors, (16349), 4229 states have internal predecessors, (16349), 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 23:30:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4230 states to 4230 states and 16349 transitions. [2022-11-25 23:30:28,427 INFO L78 Accepts]: Start accepts. Automaton has 4230 states and 16349 transitions. Word has length 13 [2022-11-25 23:30:28,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:28,427 INFO L495 AbstractCegarLoop]: Abstraction has 4230 states and 16349 transitions. [2022-11-25 23:30:28,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 23:30:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 4230 states and 16349 transitions. [2022-11-25 23:30:28,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:30:28,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:28,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:30:28,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:30:28,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-25 23:30:28,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:28,441 INFO L85 PathProgramCache]: Analyzing trace with hash -446088596, now seen corresponding path program 1 times [2022-11-25 23:30:28,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:28,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134226808] [2022-11-25 23:30:28,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:28,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:28,663 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 23:30:28,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:28,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134226808] [2022-11-25 23:30:28,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134226808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:30:28,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:30:28,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:30:28,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252080856] [2022-11-25 23:30:28,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:30:28,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:30:28,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:28,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:30:28,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:30:28,672 INFO L87 Difference]: Start difference. First operand 4230 states and 16349 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 23:30:29,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:29,030 INFO L93 Difference]: Finished difference Result 3984 states and 15677 transitions. [2022-11-25 23:30:29,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:30:29,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2022-11-25 23:30:29,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:29,066 INFO L225 Difference]: With dead ends: 3984 [2022-11-25 23:30:29,066 INFO L226 Difference]: Without dead ends: 3984 [2022-11-25 23:30:29,066 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 23:30:29,070 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 53 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:29,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 16 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:30:29,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2022-11-25 23:30:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 3984. [2022-11-25 23:30:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3984 states, 3980 states have (on average 3.9389447236180906) internal successors, (15677), 3983 states have internal predecessors, (15677), 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 23:30:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3984 states and 15677 transitions. [2022-11-25 23:30:29,287 INFO L78 Accepts]: Start accepts. Automaton has 3984 states and 15677 transitions. Word has length 19 [2022-11-25 23:30:29,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:29,288 INFO L495 AbstractCegarLoop]: Abstraction has 3984 states and 15677 transitions. [2022-11-25 23:30:29,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 23:30:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3984 states and 15677 transitions. [2022-11-25 23:30:29,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 23:30:29,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:30:29,303 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, 1, 1] [2022-11-25 23:30:29,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:30:29,303 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-11-25 23:30:29,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:30:29,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1654047396, now seen corresponding path program 1 times [2022-11-25 23:30:29,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:30:29,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17444726] [2022-11-25 23:30:29,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:30:29,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:30:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:30:29,576 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 23:30:29,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:30:29,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17444726] [2022-11-25 23:30:29,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17444726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:30:29,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:30:29,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:30:29,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650640378] [2022-11-25 23:30:29,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:30:29,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:30:29,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:30:29,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:30:29,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:30:29,579 INFO L87 Difference]: Start difference. First operand 3984 states and 15677 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 23:30:29,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:30:29,957 INFO L93 Difference]: Finished difference Result 3968 states and 15649 transitions. [2022-11-25 23:30:29,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:30:29,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2022-11-25 23:30:29,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:30:29,958 INFO L225 Difference]: With dead ends: 3968 [2022-11-25 23:30:29,958 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:30:29,959 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 23:30:29,959 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 76 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:30:29,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 16 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:30:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:30:29,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:30:29,960 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 23:30:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:30:29,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-11-25 23:30:29,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:30:29,961 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:30:29,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 23:30:29,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:30:29,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:30:29,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-25 23:30:29,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-25 23:30:29,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-25 23:30:29,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-25 23:30:29,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-25 23:30:29,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-25 23:30:29,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-25 23:30:29,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-25 23:30:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-11-25 23:30:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-11-25 23:30:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-11-25 23:30:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-11-25 23:30:29,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-25 23:30:29,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-25 23:30:29,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-25 23:30:29,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-25 23:30:29,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-25 23:30:29,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-25 23:30:29,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-25 23:30:29,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-25 23:30:29,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:30:29,972 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-25 23:30:29,977 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 23:30:29,977 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:30:29,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:30:29 BasicIcfg [2022-11-25 23:30:29,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:30:29,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:30:29,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:30:29,981 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:30:29,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:30:11" (3/4) ... [2022-11-25 23:30:29,984 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:30:29,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-25 23:30:29,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-25 23:30:29,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-25 23:30:29,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2022-11-25 23:30:29,995 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-25 23:30:29,996 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-25 23:30:29,996 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 23:30:29,996 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:30:30,037 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:30:30,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:30:30,038 INFO L158 Benchmark]: Toolchain (without parser) took 21083.64ms. Allocated memory was 169.9MB in the beginning and 497.0MB in the end (delta: 327.2MB). Free memory was 122.7MB in the beginning and 240.4MB in the end (delta: -117.8MB). Peak memory consumption was 210.6MB. Max. memory is 16.1GB. [2022-11-25 23:30:30,039 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 169.9MB. Free memory was 139.5MB in the beginning and 139.4MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:30:30,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.76ms. Allocated memory is still 169.9MB. Free memory was 122.1MB in the beginning and 88.5MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-25 23:30:30,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.41ms. Allocated memory is still 169.9MB. Free memory was 88.5MB in the beginning and 84.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:30:30,040 INFO L158 Benchmark]: Boogie Preprocessor took 84.81ms. Allocated memory is still 169.9MB. Free memory was 84.3MB in the beginning and 82.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:30:30,040 INFO L158 Benchmark]: RCFGBuilder took 1276.37ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 82.0MB in the beginning and 146.0MB in the end (delta: -64.0MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-11-25 23:30:30,041 INFO L158 Benchmark]: TraceAbstraction took 18655.01ms. Allocated memory was 237.0MB in the beginning and 497.0MB in the end (delta: 260.0MB). Free memory was 145.0MB in the beginning and 244.6MB in the end (delta: -99.7MB). Peak memory consumption was 159.3MB. Max. memory is 16.1GB. [2022-11-25 23:30:30,041 INFO L158 Benchmark]: Witness Printer took 57.54ms. Allocated memory is still 497.0MB. Free memory was 244.6MB in the beginning and 240.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:30:30,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 169.9MB. Free memory was 139.5MB in the beginning and 139.4MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.76ms. Allocated memory is still 169.9MB. Free memory was 122.1MB in the beginning and 88.5MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.41ms. Allocated memory is still 169.9MB. Free memory was 88.5MB in the beginning and 84.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.81ms. Allocated memory is still 169.9MB. Free memory was 84.3MB in the beginning and 82.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1276.37ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 82.0MB in the beginning and 146.0MB in the end (delta: -64.0MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18655.01ms. Allocated memory was 237.0MB in the beginning and 497.0MB in the end (delta: 260.0MB). Free memory was 145.0MB in the beginning and 244.6MB in the end (delta: -99.7MB). Peak memory consumption was 159.3MB. Max. memory is 16.1GB. * Witness Printer took 57.54ms. Allocated memory is still 497.0MB. Free memory was 244.6MB in the beginning and 240.4MB in the end (delta: 4.2MB). 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: 13.0s, 174 PlacesBefore, 54 PlacesAfterwards, 163 TransitionsBefore, 42 TransitionsAfterwards, 4450 CoEnabledTransitionPairs, 8 FixpointIterations, 64 TrivialSequentialCompositions, 62 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 136 TotalNumberOfCompositions, 17656 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6259, independent: 5841, independent conditional: 0, independent unconditional: 5841, dependent: 418, dependent conditional: 0, dependent unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3053, independent: 2955, independent conditional: 0, independent unconditional: 2955, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3053, independent: 2868, independent conditional: 0, independent unconditional: 2868, dependent: 185, dependent conditional: 0, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 185, independent: 87, independent conditional: 0, independent unconditional: 87, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1643, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 1478, dependent conditional: 0, dependent unconditional: 1478, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6259, independent: 2886, independent conditional: 0, independent unconditional: 2886, dependent: 320, dependent conditional: 0, dependent unconditional: 320, unknown: 3053, unknown conditional: 0, unknown unconditional: 3053] , Statistics on independence cache: Total cache size (in pairs): 400, Positive cache size: 356, Positive conditional cache size: 0, Positive unconditional cache size: 356, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, 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: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 905]: 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, 208 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 18.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 211 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 211 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 358 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 20 mSDtfsCounter, 358 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=13452occurred 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: 1.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 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 23:30:30,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44272087-7942-4f2b-9144-efa7886ef50b/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