./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix032.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/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_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix032.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/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_6e66eca0-a118-4468-9a50-227c0a42b8f5/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 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb --- 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 23:46:28,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:46:28,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:46:28,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:46:28,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:46:28,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:46:28,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:46:28,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:46:28,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:46:28,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:46:28,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:46:28,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:46:28,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:46:28,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:46:28,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:46:28,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:46:28,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:46:28,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:46:28,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:46:28,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:46:28,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:46:28,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:46:28,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:46:28,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:46:28,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:46:28,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:46:28,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:46:28,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:46:28,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:46:28,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:46:28,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:46:28,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:46:28,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:46:28,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:46:28,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:46:28,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:46:28,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:46:28,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:46:28,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:46:28,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:46:28,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:46:28,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:46:28,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:46:28,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:46:28,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:46:28,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:46:28,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:46:28,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:46:28,420 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:46:28,421 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:46:28,421 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:46:28,421 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:46:28,422 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:46:28,422 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:46:28,422 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:46:28,423 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:46:28,423 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:46:28,423 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:46:28,423 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:46:28,424 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:46:28,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:46:28,425 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:46:28,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:46:28,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:46:28,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:46:28,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:46:28,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:46:28,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:46:28,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:46:28,427 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:46:28,427 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:46:28,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:46:28,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:46:28,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:46:28,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:46:28,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:46:28,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:46:28,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:46:28,430 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:46:28,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:46:28,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:46:28,430 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:46:28,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:46:28,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:46:28,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:46:28,432 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_6e66eca0-a118-4468-9a50-227c0a42b8f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb [2022-11-25 23:46:28,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:46:28,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:46:28,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:46:28,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:46:28,837 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:46:28,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-wmm/mix032.opt.i [2022-11-25 23:46:32,163 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:46:32,527 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:46:32,528 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/sv-benchmarks/c/pthread-wmm/mix032.opt.i [2022-11-25 23:46:32,550 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/data/ddc4e21d7/4b312f8952d94ea18eff852dae963ed8/FLAGd0667d5b4 [2022-11-25 23:46:32,572 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/data/ddc4e21d7/4b312f8952d94ea18eff852dae963ed8 [2022-11-25 23:46:32,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:46:32,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:46:32,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:46:32,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:46:32,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:46:32,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:46:32" (1/1) ... [2022-11-25 23:46:32,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb39cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:32, skipping insertion in model container [2022-11-25 23:46:32,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:46:32" (1/1) ... [2022-11-25 23:46:32,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:46:32,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:46:32,892 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_6e66eca0-a118-4468-9a50-227c0a42b8f5/sv-benchmarks/c/pthread-wmm/mix032.opt.i[944,957] [2022-11-25 23:46:33,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,175 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,194 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,195 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,195 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,195 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,196 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,198 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:46:33,237 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:46:33,256 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_6e66eca0-a118-4468-9a50-227c0a42b8f5/sv-benchmarks/c/pthread-wmm/mix032.opt.i[944,957] [2022-11-25 23:46:33,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 23:46:33,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 23:46:33,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:46:33,382 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:46:33,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33 WrapperNode [2022-11-25 23:46:33,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:46:33,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:46:33,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:46:33,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:46:33,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,434 INFO L138 Inliner]: procedures = 176, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 141 [2022-11-25 23:46:33,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:46:33,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:46:33,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:46:33,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:46:33,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:46:33,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:46:33,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:46:33,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:46:33,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (1/1) ... [2022-11-25 23:46:33,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:46:33,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:46:33,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:46:33,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:46:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:46:33,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 23:46:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:46:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:46:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:46:33,559 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 23:46:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 23:46:33,561 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 23:46:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 23:46:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 23:46:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 23:46:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:46:33,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 23:46:33,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:46:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:46:33,564 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 23:46:33,782 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:46:33,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:46:34,150 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:46:34,375 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:46:34,375 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:46:34,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:46:34 BoogieIcfgContainer [2022-11-25 23:46:34,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:46:34,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:46:34,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:46:34,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:46:34,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:46:32" (1/3) ... [2022-11-25 23:46:34,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471097d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:46:34, skipping insertion in model container [2022-11-25 23:46:34,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:46:33" (2/3) ... [2022-11-25 23:46:34,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471097d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:46:34, skipping insertion in model container [2022-11-25 23:46:34,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:46:34" (3/3) ... [2022-11-25 23:46:34,389 INFO L112 eAbstractionObserver]: Analyzing ICFG mix032.opt.i [2022-11-25 23:46:34,398 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 23:46:34,417 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:46:34,417 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 23:46:34,418 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 23:46:34,504 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 23:46:34,543 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 23:46:34,560 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 126 transitions, 267 flow [2022-11-25 23:46:34,564 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 126 transitions, 267 flow [2022-11-25 23:46:34,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 126 transitions, 267 flow [2022-11-25 23:46:34,641 INFO L130 PetriNetUnfolder]: 2/123 cut-off events. [2022-11-25 23:46:34,641 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 23:46:34,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 123 events. 2/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2022-11-25 23:46:34,650 INFO L119 LiptonReduction]: Number of co-enabled transitions 2776 [2022-11-25 23:46:40,741 INFO L134 LiptonReduction]: Checked pairs total: 8492 [2022-11-25 23:46:40,742 INFO L136 LiptonReduction]: Total number of compositions: 110 [2022-11-25 23:46:40,756 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2022-11-25 23:46:40,901 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 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 23:46:40,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:46:40,941 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;@66a4cacc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:46:40,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-25 23:46:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 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 23:46:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 23:46:40,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:40,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 23:46:40,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 23:46:40,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:40,964 INFO L85 PathProgramCache]: Analyzing trace with hash 16300156, now seen corresponding path program 1 times [2022-11-25 23:46:40,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:40,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519653952] [2022-11-25 23:46:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:40,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:41,353 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 23:46:41,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:41,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519653952] [2022-11-25 23:46:41,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519653952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:41,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:41,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:46:41,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584390993] [2022-11-25 23:46:41,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:41,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:46:41,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:46:41,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:46:41,406 INFO L87 Difference]: Start difference. First operand has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:46:41,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:41,586 INFO L93 Difference]: Finished difference Result 702 states and 2017 transitions. [2022-11-25 23:46:41,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:46:41,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-25 23:46:41,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:41,618 INFO L225 Difference]: With dead ends: 702 [2022-11-25 23:46:41,618 INFO L226 Difference]: Without dead ends: 702 [2022-11-25 23:46:41,619 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 23:46:41,624 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 14 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:41,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:46:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2022-11-25 23:46:41,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2022-11-25 23:46:41,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 684 states have (on average 2.948830409356725) internal successors, (2017), 701 states have internal predecessors, (2017), 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 23:46:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 2017 transitions. [2022-11-25 23:46:41,753 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 2017 transitions. Word has length 4 [2022-11-25 23:46:41,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:41,754 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 2017 transitions. [2022-11-25 23:46:41,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:46:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2017 transitions. [2022-11-25 23:46:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 23:46:41,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:41,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:41,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:46:41,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 23:46:41,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:41,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1016567420, now seen corresponding path program 1 times [2022-11-25 23:46:41,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:41,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395873414] [2022-11-25 23:46:41,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:41,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:46:41,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:41,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395873414] [2022-11-25 23:46:41,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395873414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:41,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:41,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:46:41,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100989378] [2022-11-25 23:46:41,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:41,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:46:41,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:41,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:46:41,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:46:41,911 INFO L87 Difference]: Start difference. First operand 702 states and 2017 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:46:42,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:42,040 INFO L93 Difference]: Finished difference Result 562 states and 1647 transitions. [2022-11-25 23:46:42,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:46:42,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-25 23:46:42,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:42,060 INFO L225 Difference]: With dead ends: 562 [2022-11-25 23:46:42,063 INFO L226 Difference]: Without dead ends: 562 [2022-11-25 23:46:42,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:46:42,066 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:42,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 8 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:46:42,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2022-11-25 23:46:42,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2022-11-25 23:46:42,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 556 states have (on average 2.962230215827338) internal successors, (1647), 561 states have internal predecessors, (1647), 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 23:46:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1647 transitions. [2022-11-25 23:46:42,091 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1647 transitions. Word has length 10 [2022-11-25 23:46:42,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:42,092 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 1647 transitions. [2022-11-25 23:46:42,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:46:42,092 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1647 transitions. [2022-11-25 23:46:42,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:46:42,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:42,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:42,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:46:42,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 23:46:42,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:42,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1448820466, now seen corresponding path program 1 times [2022-11-25 23:46:42,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:42,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184858094] [2022-11-25 23:46:42,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:42,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:42,299 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 23:46:42,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:42,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184858094] [2022-11-25 23:46:42,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184858094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:42,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:42,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:46:42,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788225136] [2022-11-25 23:46:42,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:42,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:46:42,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:42,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:46:42,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:46:42,307 INFO L87 Difference]: Start difference. First operand 562 states and 1647 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:46:42,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:42,430 INFO L93 Difference]: Finished difference Result 458 states and 1364 transitions. [2022-11-25 23:46:42,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:46:42,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 23:46:42,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:42,434 INFO L225 Difference]: With dead ends: 458 [2022-11-25 23:46:42,435 INFO L226 Difference]: Without dead ends: 458 [2022-11-25 23:46:42,435 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 23:46:42,436 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 23 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:42,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 6 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:46:42,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-11-25 23:46:42,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2022-11-25 23:46:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 455 states have (on average 2.997802197802198) internal successors, (1364), 457 states have internal predecessors, (1364), 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 23:46:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1364 transitions. [2022-11-25 23:46:42,453 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1364 transitions. Word has length 11 [2022-11-25 23:46:42,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:42,453 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 1364 transitions. [2022-11-25 23:46:42,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:46:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1364 transitions. [2022-11-25 23:46:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:46:42,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:46:42,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:46:42,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:46:42,457 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 23:46:42,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:46:42,458 INFO L85 PathProgramCache]: Analyzing trace with hash 766370353, now seen corresponding path program 1 times [2022-11-25 23:46:42,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:46:42,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213048019] [2022-11-25 23:46:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:46:42,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:46:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:46:42,693 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 23:46:42,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:46:42,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213048019] [2022-11-25 23:46:42,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213048019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:46:42,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:46:42,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:46:42,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892082825] [2022-11-25 23:46:42,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:46:42,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:46:42,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:46:42,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:46:42,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:46:42,697 INFO L87 Difference]: Start difference. First operand 458 states and 1364 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 23:46:42,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:46:42,803 INFO L93 Difference]: Finished difference Result 446 states and 1343 transitions. [2022-11-25 23:46:42,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:46:42,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2022-11-25 23:46:42,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:46:42,805 INFO L225 Difference]: With dead ends: 446 [2022-11-25 23:46:42,805 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:46:42,805 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 23:46:42,806 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 41 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:46:42,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 6 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:46:42,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:46:42,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:46:42,808 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 23:46:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:46:42,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-11-25 23:46:42,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:46:42,809 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:46:42,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 23:46:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:46:42,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:46:42,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-25 23:46:42,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-25 23:46:42,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-25 23:46:42,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-25 23:46:42,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-25 23:46:42,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-25 23:46:42,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-25 23:46:42,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-25 23:46:42,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-25 23:46:42,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-25 23:46:42,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-25 23:46:42,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-25 23:46:42,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-25 23:46:42,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-25 23:46:42,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-25 23:46:42,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:46:42,820 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 23:46:42,825 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 23:46:42,825 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:46:42,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:46:42 BasicIcfg [2022-11-25 23:46:42,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:46:42,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:46:42,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:46:42,829 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:46:42,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:46:34" (3/4) ... [2022-11-25 23:46:42,833 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:46:42,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-25 23:46:42,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-25 23:46:42,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-25 23:46:42,844 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-25 23:46:42,844 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 23:46:42,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 23:46:42,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:46:42,883 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:46:42,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:46:42,884 INFO L158 Benchmark]: Toolchain (without parser) took 10306.79ms. Allocated memory was 140.5MB in the beginning and 218.1MB in the end (delta: 77.6MB). Free memory was 94.6MB in the beginning and 151.0MB in the end (delta: -56.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-11-25 23:46:42,884 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 87.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:46:42,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.36ms. Allocated memory is still 140.5MB. Free memory was 94.3MB in the beginning and 67.8MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 23:46:42,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.73ms. Allocated memory is still 140.5MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:42,885 INFO L158 Benchmark]: Boogie Preprocessor took 33.22ms. Allocated memory is still 140.5MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:42,886 INFO L158 Benchmark]: RCFGBuilder took 908.95ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 63.6MB in the beginning and 126.0MB in the end (delta: -62.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:42,886 INFO L158 Benchmark]: TraceAbstraction took 8447.11ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 125.1MB in the beginning and 154.2MB in the end (delta: -29.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 23:46:42,887 INFO L158 Benchmark]: Witness Printer took 54.10ms. Allocated memory is still 218.1MB. Free memory was 153.1MB in the beginning and 151.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:46:42,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 87.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.36ms. Allocated memory is still 140.5MB. Free memory was 94.3MB in the beginning and 67.8MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.73ms. Allocated memory is still 140.5MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.22ms. Allocated memory is still 140.5MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 908.95ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 63.6MB in the beginning and 126.0MB in the end (delta: -62.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8447.11ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 125.1MB in the beginning and 154.2MB in the end (delta: -29.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 54.10ms. Allocated memory is still 218.1MB. Free memory was 153.1MB in the beginning and 151.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.2s, 134 PlacesBefore, 39 PlacesAfterwards, 126 TransitionsBefore, 30 TransitionsAfterwards, 2776 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 1 ChoiceCompositions, 110 TotalNumberOfCompositions, 8492 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4224, independent: 3974, independent conditional: 0, independent unconditional: 3974, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1981, independent: 1926, independent conditional: 0, independent unconditional: 1926, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1981, independent: 1886, independent conditional: 0, independent unconditional: 1886, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 467, independent: 99, independent conditional: 0, independent unconditional: 99, dependent: 367, dependent conditional: 0, dependent unconditional: 367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4224, independent: 2048, independent conditional: 0, independent unconditional: 2048, dependent: 195, dependent conditional: 0, dependent unconditional: 195, unknown: 1981, unknown conditional: 0, unknown unconditional: 1981] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 200, Positive conditional cache size: 0, Positive unconditional cache size: 200, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, 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: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: 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 7 procedures, 160 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 225 IncrementalHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 10 mSDtfsCounter, 225 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1270occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 23:46:42,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e66eca0-a118-4468-9a50-227c0a42b8f5/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