./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd27604fe9b1767824ea9ccd6f7ecdb4d002f9be3c28c3385ab6133c7bd8f97d --- 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-6b4ec56 [2022-11-20 20:42:42,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:42:42,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:42:42,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:42:42,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:42:42,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:42:42,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:42:42,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:42:42,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:42:42,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:42:42,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:42:42,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:42:42,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:42:42,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:42:42,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:42:42,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:42:42,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:42:42,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:42:42,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:42:42,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:42:42,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:42:42,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:42:42,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:42:42,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:42:42,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:42:42,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:42:42,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:42:42,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:42:42,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:42:42,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:42:42,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:42:42,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:42:42,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:42:42,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:42:42,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:42:42,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:42:42,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:42:42,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:42:42,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:42:42,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:42:42,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:42:42,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 20:42:42,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:42:42,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:42:42,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:42:42,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:42:42,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:42:42,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:42:42,737 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:42:42,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:42:42,737 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:42:42,737 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:42:42,738 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:42:42,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:42:42,739 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:42:42,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:42:42,739 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:42:42,739 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:42:42,740 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:42:42,740 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:42:42,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:42:42,741 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:42:42,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:42:42,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:42:42,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:42:42,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:42:42,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:42:42,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:42:42,743 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:42:42,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:42:42,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:42:42,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:42:42,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:42:42,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:42:42,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:42:42,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:42:42,746 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:42:42,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:42:42,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:42:42,746 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:42:42,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:42:42,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:42:42,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:42:42,747 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd27604fe9b1767824ea9ccd6f7ecdb4d002f9be3c28c3385ab6133c7bd8f97d [2022-11-20 20:42:43,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:42:43,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:42:43,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:42:43,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:42:43,080 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:42:43,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/floats-cbmc-regression/float6.c [2022-11-20 20:42:46,068 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:42:46,328 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:42:46,328 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c [2022-11-20 20:42:46,335 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/data/fb5f75106/db2936febd2a499a90ec4231b469d845/FLAG2f29fbf6c [2022-11-20 20:42:46,349 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/data/fb5f75106/db2936febd2a499a90ec4231b469d845 [2022-11-20 20:42:46,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:42:46,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:42:46,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:42:46,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:42:46,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:42:46,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b83b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46, skipping insertion in model container [2022-11-20 20:42:46,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:42:46,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:42:46,527 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2022-11-20 20:42:46,530 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2022-11-20 20:42:46,531 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2022-11-20 20:42:46,532 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2022-11-20 20:42:46,533 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2022-11-20 20:42:46,533 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2022-11-20 20:42:46,534 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2022-11-20 20:42:46,535 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2022-11-20 20:42:46,535 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2022-11-20 20:42:46,536 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2022-11-20 20:42:46,536 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2022-11-20 20:42:46,537 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2022-11-20 20:42:46,538 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2022-11-20 20:42:46,538 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2022-11-20 20:42:46,539 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2022-11-20 20:42:46,540 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2022-11-20 20:42:46,540 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2022-11-20 20:42:46,541 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2022-11-20 20:42:46,546 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2022-11-20 20:42:46,547 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2022-11-20 20:42:46,547 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2022-11-20 20:42:46,548 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2022-11-20 20:42:46,549 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2022-11-20 20:42:46,550 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2022-11-20 20:42:46,551 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2022-11-20 20:42:46,551 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2022-11-20 20:42:46,552 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2022-11-20 20:42:46,553 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2022-11-20 20:42:46,554 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2022-11-20 20:42:46,554 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2022-11-20 20:42:46,555 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2022-11-20 20:42:46,556 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2022-11-20 20:42:46,556 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2022-11-20 20:42:46,557 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2022-11-20 20:42:46,558 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2022-11-20 20:42:46,559 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2022-11-20 20:42:46,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:42:46,584 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:42:46,597 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2022-11-20 20:42:46,598 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2022-11-20 20:42:46,598 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2022-11-20 20:42:46,599 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2022-11-20 20:42:46,600 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2022-11-20 20:42:46,600 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2022-11-20 20:42:46,601 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2022-11-20 20:42:46,601 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2022-11-20 20:42:46,602 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2022-11-20 20:42:46,603 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2022-11-20 20:42:46,603 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2022-11-20 20:42:46,604 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2022-11-20 20:42:46,604 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2022-11-20 20:42:46,605 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2022-11-20 20:42:46,605 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2022-11-20 20:42:46,606 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2022-11-20 20:42:46,607 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2022-11-20 20:42:46,607 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2022-11-20 20:42:46,609 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2022-11-20 20:42:46,609 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2022-11-20 20:42:46,610 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2022-11-20 20:42:46,610 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2022-11-20 20:42:46,611 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2022-11-20 20:42:46,612 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2022-11-20 20:42:46,612 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2022-11-20 20:42:46,613 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2022-11-20 20:42:46,618 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2022-11-20 20:42:46,619 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2022-11-20 20:42:46,622 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2022-11-20 20:42:46,623 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2022-11-20 20:42:46,625 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2022-11-20 20:42:46,626 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2022-11-20 20:42:46,629 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2022-11-20 20:42:46,631 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2022-11-20 20:42:46,633 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2022-11-20 20:42:46,634 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2022-11-20 20:42:46,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:42:46,654 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:42:46,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46 WrapperNode [2022-11-20 20:42:46,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:42:46,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:42:46,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:42:46,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:42:46,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,702 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 124 [2022-11-20 20:42:46,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:42:46,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:42:46,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:42:46,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:42:46,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:42:46,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:42:46,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:42:46,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:42:46,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (1/1) ... [2022-11-20 20:42:46,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:42:46,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:42:46,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:42:46,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:42:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:42:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:42:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:42:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:42:46,900 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:42:46,903 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:42:47,198 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:42:47,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:42:47,222 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:42:47,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:42:47 BoogieIcfgContainer [2022-11-20 20:42:47,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:42:47,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:42:47,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:42:47,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:42:47,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:42:46" (1/3) ... [2022-11-20 20:42:47,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d35e19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:42:47, skipping insertion in model container [2022-11-20 20:42:47,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:46" (2/3) ... [2022-11-20 20:42:47,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d35e19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:42:47, skipping insertion in model container [2022-11-20 20:42:47,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:42:47" (3/3) ... [2022-11-20 20:42:47,250 INFO L112 eAbstractionObserver]: Analyzing ICFG float6.c [2022-11-20 20:42:47,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:42:47,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-20 20:42:47,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:42:47,377 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;@33415274, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:42:47,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-20 20:42:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 75 states have (on average 1.96) internal successors, (147), 111 states have internal predecessors, (147), 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) [2022-11-20 20:42:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 20:42:47,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:47,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-20 20:42:47,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:47,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:47,402 INFO L85 PathProgramCache]: Analyzing trace with hash 318252, now seen corresponding path program 1 times [2022-11-20 20:42:47,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:42:47,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738349940] [2022-11-20 20:42:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:47,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:42:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:42:47,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 20:42:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 20:42:47,530 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 20:42:47,533 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 20:42:47,534 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2022-11-20 20:42:47,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (34 of 36 remaining) [2022-11-20 20:42:47,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (33 of 36 remaining) [2022-11-20 20:42:47,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (32 of 36 remaining) [2022-11-20 20:42:47,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (31 of 36 remaining) [2022-11-20 20:42:47,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (30 of 36 remaining) [2022-11-20 20:42:47,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (29 of 36 remaining) [2022-11-20 20:42:47,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (28 of 36 remaining) [2022-11-20 20:42:47,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (27 of 36 remaining) [2022-11-20 20:42:47,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 36 remaining) [2022-11-20 20:42:47,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (25 of 36 remaining) [2022-11-20 20:42:47,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (24 of 36 remaining) [2022-11-20 20:42:47,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (23 of 36 remaining) [2022-11-20 20:42:47,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (22 of 36 remaining) [2022-11-20 20:42:47,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (21 of 36 remaining) [2022-11-20 20:42:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (20 of 36 remaining) [2022-11-20 20:42:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (19 of 36 remaining) [2022-11-20 20:42:47,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (18 of 36 remaining) [2022-11-20 20:42:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (17 of 36 remaining) [2022-11-20 20:42:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (16 of 36 remaining) [2022-11-20 20:42:47,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (15 of 36 remaining) [2022-11-20 20:42:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (14 of 36 remaining) [2022-11-20 20:42:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (13 of 36 remaining) [2022-11-20 20:42:47,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (12 of 36 remaining) [2022-11-20 20:42:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (11 of 36 remaining) [2022-11-20 20:42:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (10 of 36 remaining) [2022-11-20 20:42:47,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (9 of 36 remaining) [2022-11-20 20:42:47,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (8 of 36 remaining) [2022-11-20 20:42:47,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (7 of 36 remaining) [2022-11-20 20:42:47,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (6 of 36 remaining) [2022-11-20 20:42:47,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (5 of 36 remaining) [2022-11-20 20:42:47,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (4 of 36 remaining) [2022-11-20 20:42:47,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (3 of 36 remaining) [2022-11-20 20:42:47,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (2 of 36 remaining) [2022-11-20 20:42:47,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (1 of 36 remaining) [2022-11-20 20:42:47,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (0 of 36 remaining) [2022-11-20 20:42:47,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:42:47,555 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 20:42:47,560 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:42:47,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:42:47 BoogieIcfgContainer [2022-11-20 20:42:47,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:42:47,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:42:47,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:42:47,578 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:42:47,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:42:47" (3/4) ... [2022-11-20 20:42:47,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 20:42:47,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:42:47,584 INFO L158 Benchmark]: Toolchain (without parser) took 1231.20ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 64.9MB in the end (delta: 49.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 20:42:47,585 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:42:47,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.88ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 99.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:42:47,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.15ms. Allocated memory is still 157.3MB. Free memory was 99.3MB in the beginning and 97.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:42:47,587 INFO L158 Benchmark]: Boogie Preprocessor took 26.60ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 95.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:42:47,587 INFO L158 Benchmark]: RCFGBuilder took 495.18ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 81.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:42:47,588 INFO L158 Benchmark]: TraceAbstraction took 349.55ms. Allocated memory is still 157.3MB. Free memory was 80.6MB in the beginning and 65.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 20:42:47,588 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 157.3MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 181.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:42:47,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.88ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 99.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.15ms. Allocated memory is still 157.3MB. Free memory was 99.3MB in the beginning and 97.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.60ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 95.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.18ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 81.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 349.55ms. Allocated memory is still 157.3MB. Free memory was 80.6MB in the beginning and 65.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 157.3MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 181.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - UnprovableResult [Line: 9]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9. Possible FailurePath: [L9] COND TRUE !(1.0!=2.0) [L9] reach_error() - UnprovableResult [Line: 10]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 16]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 17]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 23]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 38]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 20:42:47,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd27604fe9b1767824ea9ccd6f7ecdb4d002f9be3c28c3385ab6133c7bd8f97d --- 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-6b4ec56 [2022-11-20 20:42:50,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:42:50,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:42:50,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:42:50,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:42:50,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:42:50,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:42:50,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:42:50,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:42:50,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:42:50,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:42:50,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:42:50,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:42:50,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:42:50,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:42:50,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:42:50,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:42:50,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:42:50,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:42:50,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:42:50,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:42:50,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:42:50,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:42:50,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:42:50,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:42:50,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:42:50,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:42:50,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:42:50,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:42:50,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:42:50,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:42:50,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:42:50,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:42:50,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:42:50,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:42:50,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:42:50,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:42:50,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:42:50,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:42:50,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:42:50,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:42:50,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-20 20:42:50,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:42:50,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:42:50,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:42:50,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:42:50,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:42:50,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:42:50,545 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:42:50,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:42:50,545 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:42:50,545 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:42:50,547 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:42:50,547 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:42:50,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:42:50,548 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:42:50,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:42:50,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:42:50,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:42:50,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:42:50,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:42:50,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:42:50,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 20:42:50,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 20:42:50,550 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:42:50,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:42:50,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:42:50,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:42:50,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:42:50,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 20:42:50,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:42:50,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:42:50,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:42:50,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:42:50,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:42:50,554 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 20:42:50,554 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 20:42:50,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:42:50,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:42:50,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 20:42:50,555 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd27604fe9b1767824ea9ccd6f7ecdb4d002f9be3c28c3385ab6133c7bd8f97d [2022-11-20 20:42:50,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:42:50,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:42:50,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:42:50,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:42:50,983 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:42:50,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/floats-cbmc-regression/float6.c [2022-11-20 20:42:54,213 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:42:54,537 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:42:54,538 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c [2022-11-20 20:42:54,546 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/data/56843ee01/11bb397198034517871c016565cdcf68/FLAG082f582a5 [2022-11-20 20:42:54,562 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/data/56843ee01/11bb397198034517871c016565cdcf68 [2022-11-20 20:42:54,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:42:54,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:42:54,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:42:54,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:42:54,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:42:54,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:42:54" (1/1) ... [2022-11-20 20:42:54,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de3f6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:54, skipping insertion in model container [2022-11-20 20:42:54,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:42:54" (1/1) ... [2022-11-20 20:42:54,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:42:54,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:42:54,870 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2022-11-20 20:42:54,874 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2022-11-20 20:42:54,876 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2022-11-20 20:42:54,877 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2022-11-20 20:42:54,879 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2022-11-20 20:42:54,881 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2022-11-20 20:42:54,883 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2022-11-20 20:42:54,886 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2022-11-20 20:42:54,887 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2022-11-20 20:42:54,888 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2022-11-20 20:42:54,889 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2022-11-20 20:42:54,890 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2022-11-20 20:42:54,891 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2022-11-20 20:42:54,892 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2022-11-20 20:42:54,893 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2022-11-20 20:42:54,894 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2022-11-20 20:42:54,903 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2022-11-20 20:42:54,904 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2022-11-20 20:42:54,914 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2022-11-20 20:42:54,916 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2022-11-20 20:42:54,918 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2022-11-20 20:42:54,921 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2022-11-20 20:42:54,923 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2022-11-20 20:42:54,925 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2022-11-20 20:42:54,927 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2022-11-20 20:42:54,928 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2022-11-20 20:42:54,930 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2022-11-20 20:42:54,932 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2022-11-20 20:42:54,932 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2022-11-20 20:42:54,934 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2022-11-20 20:42:54,935 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2022-11-20 20:42:54,936 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2022-11-20 20:42:54,937 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2022-11-20 20:42:54,938 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2022-11-20 20:42:54,939 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2022-11-20 20:42:54,941 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2022-11-20 20:42:54,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:42:54,969 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:42:54,993 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[369,382] [2022-11-20 20:42:54,994 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[412,425] [2022-11-20 20:42:54,996 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[454,467] [2022-11-20 20:42:54,999 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[501,514] [2022-11-20 20:42:55,001 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[543,556] [2022-11-20 20:42:55,003 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[590,603] [2022-11-20 20:42:55,005 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[635,648] [2022-11-20 20:42:55,006 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[682,695] [2022-11-20 20:42:55,007 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[727,740] [2022-11-20 20:42:55,013 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[774,787] [2022-11-20 20:42:55,015 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[817,830] [2022-11-20 20:42:55,017 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[862,875] [2022-11-20 20:42:55,019 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[905,918] [2022-11-20 20:42:55,020 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[950,963] [2022-11-20 20:42:55,021 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[993,1006] [2022-11-20 20:42:55,023 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1041,1054] [2022-11-20 20:42:55,033 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1084,1097] [2022-11-20 20:42:55,033 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1132,1145] [2022-11-20 20:42:55,035 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1291,1304] [2022-11-20 20:42:55,036 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1330,1343] [2022-11-20 20:42:55,037 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1368,1381] [2022-11-20 20:42:55,038 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1411,1424] [2022-11-20 20:42:55,039 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1449,1462] [2022-11-20 20:42:55,040 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1492,1505] [2022-11-20 20:42:55,040 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1533,1546] [2022-11-20 20:42:55,041 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1576,1589] [2022-11-20 20:42:55,042 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1617,1630] [2022-11-20 20:42:55,043 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1660,1673] [2022-11-20 20:42:55,044 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1699,1712] [2022-11-20 20:42:55,045 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1740,1753] [2022-11-20 20:42:55,051 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1779,1792] [2022-11-20 20:42:55,052 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1820,1833] [2022-11-20 20:42:55,053 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1859,1872] [2022-11-20 20:42:55,055 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1903,1916] [2022-11-20 20:42:55,063 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1942,1955] [2022-11-20 20:42:55,064 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_0966e4b0-a48c-4cb1-b550-53480b457fb4/sv-benchmarks/c/floats-cbmc-regression/float6.c[1986,1999] [2022-11-20 20:42:55,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:42:55,087 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:42:55,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55 WrapperNode [2022-11-20 20:42:55,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:42:55,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:42:55,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:42:55,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:42:55,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,167 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 125 [2022-11-20 20:42:55,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:42:55,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:42:55,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:42:55,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:42:55,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,197 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:42:55,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:42:55,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:42:55,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:42:55,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (1/1) ... [2022-11-20 20:42:55,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:42:55,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:42:55,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:42:55,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:42:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:42:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:42:55,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:42:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 20:42:55,491 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:42:55,493 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:42:55,970 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:42:55,977 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:42:55,978 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:42:55,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:42:55 BoogieIcfgContainer [2022-11-20 20:42:55,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:42:55,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:42:55,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:42:56,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:42:56,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:42:54" (1/3) ... [2022-11-20 20:42:56,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe5bc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:42:56, skipping insertion in model container [2022-11-20 20:42:56,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:42:55" (2/3) ... [2022-11-20 20:42:56,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe5bc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:42:56, skipping insertion in model container [2022-11-20 20:42:56,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:42:55" (3/3) ... [2022-11-20 20:42:56,004 INFO L112 eAbstractionObserver]: Analyzing ICFG float6.c [2022-11-20 20:42:56,041 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:42:56,042 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-20 20:42:56,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:42:56,126 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;@3783bd34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:42:56,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-20 20:42:56,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 78 states have (on average 1.935897435897436) internal successors, (151), 114 states have internal predecessors, (151), 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) [2022-11-20 20:42:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 20:42:56,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:56,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 20:42:56,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:56,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:56,145 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-11-20 20:42:56,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:56,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925788423] [2022-11-20 20:42:56,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:56,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:56,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:56,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:56,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 20:42:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:56,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 20:42:56,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:42:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:42:56,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:42:56,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:42:56,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925788423] [2022-11-20 20:42:56,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [925788423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:56,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:56,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:42:56,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944635939] [2022-11-20 20:42:56,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:56,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 20:42:56,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:42:56,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 20:42:56,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:42:56,323 INFO L87 Difference]: Start difference. First operand has 115 states, 78 states have (on average 1.935897435897436) internal successors, (151), 114 states have internal predecessors, (151), 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 2 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) [2022-11-20 20:42:56,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:42:56,357 INFO L93 Difference]: Finished difference Result 183 states and 254 transitions. [2022-11-20 20:42:56,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 20:42:56,360 INFO L78 Accepts]: Start accepts. Automaton has has 2 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 [2022-11-20 20:42:56,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:42:56,387 INFO L225 Difference]: With dead ends: 183 [2022-11-20 20:42:56,387 INFO L226 Difference]: Without dead ends: 68 [2022-11-20 20:42:56,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:42:56,396 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:42:56,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:42:56,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-20 20:42:56,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-20 20:42:56,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 67 states have internal predecessors, (67), 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) [2022-11-20 20:42:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 67 transitions. [2022-11-20 20:42:56,443 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 67 transitions. Word has length 4 [2022-11-20 20:42:56,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:42:56,443 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 67 transitions. [2022-11-20 20:42:56,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 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) [2022-11-20 20:42:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 67 transitions. [2022-11-20 20:42:56,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 20:42:56,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:56,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:42:56,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:42:56,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:56,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:56,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:56,663 INFO L85 PathProgramCache]: Analyzing trace with hash 271685265, now seen corresponding path program 1 times [2022-11-20 20:42:56,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:56,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889094440] [2022-11-20 20:42:56,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:56,664 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:56,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:56,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:56,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 20:42:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:56,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:42:56,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:42:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:42:56,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:42:56,908 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:42:56,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889094440] [2022-11-20 20:42:56,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889094440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:56,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:56,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:42:56,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674422768] [2022-11-20 20:42:56,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:56,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:42:56,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:42:56,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:42:56,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:56,919 INFO L87 Difference]: Start difference. First operand 68 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:42:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:42:56,937 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2022-11-20 20:42:56,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:42:56,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-20 20:42:56,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:42:56,942 INFO L225 Difference]: With dead ends: 68 [2022-11-20 20:42:56,943 INFO L226 Difference]: Without dead ends: 66 [2022-11-20 20:42:56,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:56,945 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:42:56,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 32 Unchecked, 0.0s Time] [2022-11-20 20:42:56,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-20 20:42:56,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-20 20:42:56,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 65 states have internal predecessors, (65), 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) [2022-11-20 20:42:56,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 65 transitions. [2022-11-20 20:42:56,966 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 65 transitions. Word has length 24 [2022-11-20 20:42:56,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:42:56,967 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 65 transitions. [2022-11-20 20:42:56,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:42:56,967 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 65 transitions. [2022-11-20 20:42:56,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 20:42:56,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:56,969 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] [2022-11-20 20:42:56,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:42:57,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:57,184 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:57,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:57,185 INFO L85 PathProgramCache]: Analyzing trace with hash -167687151, now seen corresponding path program 1 times [2022-11-20 20:42:57,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:57,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256087422] [2022-11-20 20:42:57,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:57,186 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:57,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:57,191 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:57,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 20:42:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:57,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:42:57,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:42:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:42:57,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:42:57,269 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:42:57,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256087422] [2022-11-20 20:42:57,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256087422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:57,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:57,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:42:57,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469837039] [2022-11-20 20:42:57,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:57,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:42:57,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:42:57,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:42:57,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:57,271 INFO L87 Difference]: Start difference. First operand 66 states and 65 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-20 20:42:57,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:42:57,277 INFO L93 Difference]: Finished difference Result 66 states and 65 transitions. [2022-11-20 20:42:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:42:57,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2022-11-20 20:42:57,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:42:57,278 INFO L225 Difference]: With dead ends: 66 [2022-11-20 20:42:57,279 INFO L226 Difference]: Without dead ends: 64 [2022-11-20 20:42:57,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:57,280 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:42:57,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 19 Unchecked, 0.0s Time] [2022-11-20 20:42:57,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-20 20:42:57,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-20 20:42:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 63 states have internal predecessors, (63), 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) [2022-11-20 20:42:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 63 transitions. [2022-11-20 20:42:57,285 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 63 transitions. Word has length 25 [2022-11-20 20:42:57,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:42:57,286 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 63 transitions. [2022-11-20 20:42:57,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-20 20:42:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 63 transitions. [2022-11-20 20:42:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 20:42:57,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:57,287 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] [2022-11-20 20:42:57,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 20:42:57,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:57,500 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:57,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:57,501 INFO L85 PathProgramCache]: Analyzing trace with hash -903330151, now seen corresponding path program 1 times [2022-11-20 20:42:57,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:57,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558888213] [2022-11-20 20:42:57,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:57,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:57,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:57,509 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:57,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 20:42:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:57,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:42:57,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:42:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:42:57,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:42:57,674 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:42:57,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558888213] [2022-11-20 20:42:57,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558888213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:57,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:57,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:42:57,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741608542] [2022-11-20 20:42:57,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:57,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:42:57,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:42:57,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:42:57,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:57,677 INFO L87 Difference]: Start difference. First operand 64 states and 63 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2022-11-20 20:42:57,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:42:57,682 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2022-11-20 20:42:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:42:57,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 [2022-11-20 20:42:57,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:42:57,683 INFO L225 Difference]: With dead ends: 64 [2022-11-20 20:42:57,683 INFO L226 Difference]: Without dead ends: 62 [2022-11-20 20:42:57,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:57,684 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:42:57,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 30 Unchecked, 0.0s Time] [2022-11-20 20:42:57,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-20 20:42:57,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-20 20:42:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 51 states have (on average 1.196078431372549) internal successors, (61), 61 states have internal predecessors, (61), 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) [2022-11-20 20:42:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 61 transitions. [2022-11-20 20:42:57,706 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 61 transitions. Word has length 26 [2022-11-20 20:42:57,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:42:57,706 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 61 transitions. [2022-11-20 20:42:57,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2022-11-20 20:42:57,707 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 61 transitions. [2022-11-20 20:42:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 20:42:57,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:57,708 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, 1] [2022-11-20 20:42:57,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-20 20:42:57,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:57,923 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:57,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:57,924 INFO L85 PathProgramCache]: Analyzing trace with hash 2061540633, now seen corresponding path program 1 times [2022-11-20 20:42:57,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:57,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263862191] [2022-11-20 20:42:57,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:57,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:57,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:57,926 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:57,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 20:42:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:57,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:42:57,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:42:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:42:58,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:42:58,074 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:42:58,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263862191] [2022-11-20 20:42:58,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263862191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:58,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:58,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:42:58,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067634978] [2022-11-20 20:42:58,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:58,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:42:58,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:42:58,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:42:58,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:58,077 INFO L87 Difference]: Start difference. First operand 62 states and 61 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-11-20 20:42:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:42:58,082 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2022-11-20 20:42:58,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:42:58,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2022-11-20 20:42:58,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:42:58,083 INFO L225 Difference]: With dead ends: 62 [2022-11-20 20:42:58,084 INFO L226 Difference]: Without dead ends: 60 [2022-11-20 20:42:58,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:58,085 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:42:58,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 29 Unchecked, 0.0s Time] [2022-11-20 20:42:58,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-20 20:42:58,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-20 20:42:58,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 50 states have (on average 1.18) internal successors, (59), 59 states have internal predecessors, (59), 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) [2022-11-20 20:42:58,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 59 transitions. [2022-11-20 20:42:58,094 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 59 transitions. Word has length 27 [2022-11-20 20:42:58,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:42:58,095 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 59 transitions. [2022-11-20 20:42:58,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-11-20 20:42:58,095 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 59 transitions. [2022-11-20 20:42:58,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 20:42:58,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:58,096 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, 1, 1] [2022-11-20 20:42:58,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 20:42:58,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:58,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:58,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:58,311 INFO L85 PathProgramCache]: Analyzing trace with hash -516745567, now seen corresponding path program 1 times [2022-11-20 20:42:58,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:58,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590364446] [2022-11-20 20:42:58,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:58,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:58,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:58,313 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:58,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 20:42:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:58,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:42:58,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:42:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:42:58,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:42:58,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:42:58,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590364446] [2022-11-20 20:42:58,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590364446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:58,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:58,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:42:58,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555350547] [2022-11-20 20:42:58,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:58,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:42:58,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:42:58,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:42:58,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:58,506 INFO L87 Difference]: Start difference. First operand 60 states and 59 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-20 20:42:58,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:42:58,509 INFO L93 Difference]: Finished difference Result 60 states and 59 transitions. [2022-11-20 20:42:58,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:42:58,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2022-11-20 20:42:58,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:42:58,510 INFO L225 Difference]: With dead ends: 60 [2022-11-20 20:42:58,510 INFO L226 Difference]: Without dead ends: 58 [2022-11-20 20:42:58,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:58,511 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:42:58,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 28 Unchecked, 0.0s Time] [2022-11-20 20:42:58,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-20 20:42:58,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-20 20:42:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 49 states have (on average 1.163265306122449) internal successors, (57), 57 states have internal predecessors, (57), 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) [2022-11-20 20:42:58,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 57 transitions. [2022-11-20 20:42:58,522 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 57 transitions. Word has length 28 [2022-11-20 20:42:58,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:42:58,522 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 57 transitions. [2022-11-20 20:42:58,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-20 20:42:58,522 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 57 transitions. [2022-11-20 20:42:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 20:42:58,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:58,523 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, 1, 1, 1] [2022-11-20 20:42:58,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-11-20 20:42:58,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:58,735 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:58,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:58,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1160760865, now seen corresponding path program 1 times [2022-11-20 20:42:58,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:58,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026763394] [2022-11-20 20:42:58,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:58,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:58,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:58,737 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:58,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 20:42:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:58,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:42:58,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:42:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:42:58,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:42:58,876 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:42:58,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026763394] [2022-11-20 20:42:58,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026763394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:58,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:58,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:42:58,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47362395] [2022-11-20 20:42:58,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:58,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:42:58,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:42:58,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:42:58,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:58,878 INFO L87 Difference]: Start difference. First operand 58 states and 57 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-20 20:42:58,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:42:58,880 INFO L93 Difference]: Finished difference Result 58 states and 57 transitions. [2022-11-20 20:42:58,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:42:58,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2022-11-20 20:42:58,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:42:58,882 INFO L225 Difference]: With dead ends: 58 [2022-11-20 20:42:58,882 INFO L226 Difference]: Without dead ends: 56 [2022-11-20 20:42:58,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:58,883 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:42:58,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 27 Unchecked, 0.0s Time] [2022-11-20 20:42:58,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-20 20:42:58,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-20 20:42:58,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 55 states have internal predecessors, (55), 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) [2022-11-20 20:42:58,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 55 transitions. [2022-11-20 20:42:58,887 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 55 transitions. Word has length 29 [2022-11-20 20:42:58,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:42:58,887 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 55 transitions. [2022-11-20 20:42:58,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-20 20:42:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 55 transitions. [2022-11-20 20:42:58,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 20:42:58,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:58,889 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:42:58,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 20:42:59,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:59,115 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:59,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:59,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1367099065, now seen corresponding path program 1 times [2022-11-20 20:42:59,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:59,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25963093] [2022-11-20 20:42:59,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:59,116 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:59,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:59,117 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:59,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 20:42:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:59,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:42:59,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:42:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:42:59,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:42:59,271 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:42:59,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25963093] [2022-11-20 20:42:59,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25963093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:59,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:59,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:42:59,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697575348] [2022-11-20 20:42:59,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:59,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:42:59,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:42:59,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:42:59,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:59,274 INFO L87 Difference]: Start difference. First operand 56 states and 55 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-11-20 20:42:59,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:42:59,276 INFO L93 Difference]: Finished difference Result 56 states and 55 transitions. [2022-11-20 20:42:59,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:42:59,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2022-11-20 20:42:59,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:42:59,278 INFO L225 Difference]: With dead ends: 56 [2022-11-20 20:42:59,278 INFO L226 Difference]: Without dead ends: 54 [2022-11-20 20:42:59,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:59,279 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:42:59,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 25 Unchecked, 0.0s Time] [2022-11-20 20:42:59,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-20 20:42:59,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-20 20:42:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 47 states have (on average 1.127659574468085) internal successors, (53), 53 states have internal predecessors, (53), 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) [2022-11-20 20:42:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 53 transitions. [2022-11-20 20:42:59,283 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 53 transitions. Word has length 34 [2022-11-20 20:42:59,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:42:59,283 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 53 transitions. [2022-11-20 20:42:59,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-11-20 20:42:59,284 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 53 transitions. [2022-11-20 20:42:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 20:42:59,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:59,285 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:42:59,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 20:42:59,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:59,498 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:59,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:59,499 INFO L85 PathProgramCache]: Analyzing trace with hash -569597639, now seen corresponding path program 1 times [2022-11-20 20:42:59,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:59,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89592555] [2022-11-20 20:42:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:59,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:59,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:59,502 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:59,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 20:42:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:59,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:42:59,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:42:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:42:59,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:42:59,649 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:42:59,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89592555] [2022-11-20 20:42:59,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [89592555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:42:59,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:42:59,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:42:59,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527193975] [2022-11-20 20:42:59,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:42:59,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:42:59,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:42:59,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:42:59,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:59,651 INFO L87 Difference]: Start difference. First operand 54 states and 53 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-20 20:42:59,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:42:59,653 INFO L93 Difference]: Finished difference Result 54 states and 53 transitions. [2022-11-20 20:42:59,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:42:59,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2022-11-20 20:42:59,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:42:59,654 INFO L225 Difference]: With dead ends: 54 [2022-11-20 20:42:59,654 INFO L226 Difference]: Without dead ends: 52 [2022-11-20 20:42:59,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:42:59,655 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:42:59,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 24 Unchecked, 0.0s Time] [2022-11-20 20:42:59,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-20 20:42:59,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-20 20:42:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 46 states have (on average 1.108695652173913) internal successors, (51), 51 states have internal predecessors, (51), 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) [2022-11-20 20:42:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 51 transitions. [2022-11-20 20:42:59,668 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 51 transitions. Word has length 35 [2022-11-20 20:42:59,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:42:59,668 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 51 transitions. [2022-11-20 20:42:59,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-20 20:42:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 51 transitions. [2022-11-20 20:42:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 20:42:59,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:42:59,676 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:42:59,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 20:42:59,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:59,876 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:42:59,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:42:59,877 INFO L85 PathProgramCache]: Analyzing trace with hash -477653311, now seen corresponding path program 1 times [2022-11-20 20:42:59,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:42:59,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877801046] [2022-11-20 20:42:59,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:42:59,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:42:59,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:42:59,878 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:42:59,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 20:42:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:42:59,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:42:59,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:43:00,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:43:00,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:43:00,017 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:43:00,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877801046] [2022-11-20 20:43:00,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877801046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:00,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:00,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:43:00,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466643794] [2022-11-20 20:43:00,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:00,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:43:00,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:43:00,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:43:00,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:00,019 INFO L87 Difference]: Start difference. First operand 52 states and 51 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-11-20 20:43:00,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:00,021 INFO L93 Difference]: Finished difference Result 52 states and 51 transitions. [2022-11-20 20:43:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:43:00,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2022-11-20 20:43:00,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:00,022 INFO L225 Difference]: With dead ends: 52 [2022-11-20 20:43:00,023 INFO L226 Difference]: Without dead ends: 50 [2022-11-20 20:43:00,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:00,024 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:00,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 23 Unchecked, 0.0s Time] [2022-11-20 20:43:00,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-20 20:43:00,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-20 20:43:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 49 states have internal predecessors, (49), 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) [2022-11-20 20:43:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 49 transitions. [2022-11-20 20:43:00,031 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 49 transitions. Word has length 36 [2022-11-20 20:43:00,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:00,032 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 49 transitions. [2022-11-20 20:43:00,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-11-20 20:43:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 49 transitions. [2022-11-20 20:43:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 20:43:00,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:00,033 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:43:00,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 20:43:00,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:00,234 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:43:00,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:00,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1922346431, now seen corresponding path program 1 times [2022-11-20 20:43:00,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:43:00,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71883337] [2022-11-20 20:43:00,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:00,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:00,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:43:00,236 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:43:00,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 20:43:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:00,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 20:43:00,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:43:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:43:00,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:43:00,380 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:43:00,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71883337] [2022-11-20 20:43:00,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71883337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:00,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:00,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:43:00,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34242845] [2022-11-20 20:43:00,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:00,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:43:00,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:43:00,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:43:00,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:00,382 INFO L87 Difference]: Start difference. First operand 50 states and 49 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-11-20 20:43:00,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:00,383 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2022-11-20 20:43:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:43:00,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2022-11-20 20:43:00,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:00,384 INFO L225 Difference]: With dead ends: 50 [2022-11-20 20:43:00,384 INFO L226 Difference]: Without dead ends: 48 [2022-11-20 20:43:00,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:00,385 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:00,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 22 Unchecked, 0.0s Time] [2022-11-20 20:43:00,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-20 20:43:00,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-20 20:43:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 47 states have internal predecessors, (47), 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) [2022-11-20 20:43:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 47 transitions. [2022-11-20 20:43:00,388 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 47 transitions. Word has length 37 [2022-11-20 20:43:00,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:00,388 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 47 transitions. [2022-11-20 20:43:00,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-11-20 20:43:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 47 transitions. [2022-11-20 20:43:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 20:43:00,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:00,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:43:00,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 20:43:00,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:00,601 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:43:00,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:00,602 INFO L85 PathProgramCache]: Analyzing trace with hash 536807113, now seen corresponding path program 1 times [2022-11-20 20:43:00,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:43:00,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164449816] [2022-11-20 20:43:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:00,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:00,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:43:00,603 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:43:00,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 20:43:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:00,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:43:00,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:43:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:43:00,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:43:00,938 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:43:00,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164449816] [2022-11-20 20:43:00,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164449816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:00,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:00,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:43:00,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132492739] [2022-11-20 20:43:00,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:00,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:43:00,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:43:00,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:43:00,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:00,940 INFO L87 Difference]: Start difference. First operand 48 states and 47 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-20 20:43:00,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:00,941 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2022-11-20 20:43:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:43:00,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2022-11-20 20:43:00,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:00,942 INFO L225 Difference]: With dead ends: 48 [2022-11-20 20:43:00,943 INFO L226 Difference]: Without dead ends: 46 [2022-11-20 20:43:00,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:00,943 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:00,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 22 Unchecked, 0.0s Time] [2022-11-20 20:43:00,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-20 20:43:00,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-20 20:43:00,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 43 states have (on average 1.0465116279069768) internal successors, (45), 45 states have internal predecessors, (45), 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) [2022-11-20 20:43:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2022-11-20 20:43:00,948 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 38 [2022-11-20 20:43:00,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:00,948 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2022-11-20 20:43:00,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-20 20:43:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2022-11-20 20:43:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 20:43:00,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:00,949 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:43:00,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-20 20:43:01,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:01,170 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:43:01,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:01,170 INFO L85 PathProgramCache]: Analyzing trace with hash -538844343, now seen corresponding path program 1 times [2022-11-20 20:43:01,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:43:01,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057885556] [2022-11-20 20:43:01,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:01,171 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:01,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:43:01,172 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:43:01,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 20:43:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:01,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:43:01,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:43:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:43:01,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:43:01,463 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:43:01,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057885556] [2022-11-20 20:43:01,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057885556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:01,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:01,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:43:01,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653698594] [2022-11-20 20:43:01,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:01,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:43:01,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:43:01,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:43:01,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:01,465 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-20 20:43:01,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:01,467 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2022-11-20 20:43:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:43:01,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2022-11-20 20:43:01,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:01,468 INFO L225 Difference]: With dead ends: 46 [2022-11-20 20:43:01,468 INFO L226 Difference]: Without dead ends: 44 [2022-11-20 20:43:01,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:01,469 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:01,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 21 Unchecked, 0.0s Time] [2022-11-20 20:43:01,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-20 20:43:01,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-20 20:43:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 43 states have internal predecessors, (43), 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) [2022-11-20 20:43:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2022-11-20 20:43:01,473 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 39 [2022-11-20 20:43:01,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:01,473 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2022-11-20 20:43:01,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-20 20:43:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2022-11-20 20:43:01,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 20:43:01,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:01,474 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:43:01,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-20 20:43:01,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:01,675 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:43:01,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:01,676 INFO L85 PathProgramCache]: Analyzing trace with hash 475698897, now seen corresponding path program 1 times [2022-11-20 20:43:01,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:43:01,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677017783] [2022-11-20 20:43:01,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:01,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:01,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:43:01,678 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:43:01,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-20 20:43:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:01,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:43:01,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:43:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:43:01,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:43:01,983 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:43:01,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677017783] [2022-11-20 20:43:01,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677017783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:01,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:01,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:43:01,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191163030] [2022-11-20 20:43:01,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:01,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:43:01,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:43:01,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:43:01,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:01,985 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-20 20:43:01,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:01,986 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2022-11-20 20:43:01,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:43:01,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2022-11-20 20:43:01,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:01,987 INFO L225 Difference]: With dead ends: 44 [2022-11-20 20:43:01,987 INFO L226 Difference]: Without dead ends: 42 [2022-11-20 20:43:01,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:01,988 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:01,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2022-11-20 20:43:01,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-20 20:43:01,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-20 20:43:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.0) internal successors, (41), 41 states have internal predecessors, (41), 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) [2022-11-20 20:43:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2022-11-20 20:43:02,000 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 40 [2022-11-20 20:43:02,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:02,000 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2022-11-20 20:43:02,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-20 20:43:02,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2022-11-20 20:43:02,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 20:43:02,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:43:02,001 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:43:02,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-20 20:43:02,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:02,218 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-20 20:43:02,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:43:02,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1861768273, now seen corresponding path program 1 times [2022-11-20 20:43:02,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 20:43:02,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875136697] [2022-11-20 20:43:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:43:02,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:02,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 20:43:02,220 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 20:43:02,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-20 20:43:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:43:02,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 20:43:02,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:43:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:43:02,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:43:02,481 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 20:43:02,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875136697] [2022-11-20 20:43:02,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875136697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:43:02,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:43:02,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:43:02,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29683660] [2022-11-20 20:43:02,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:43:02,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:43:02,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 20:43:02,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:43:02,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:02,487 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-20 20:43:02,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:43:02,488 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2022-11-20 20:43:02,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:43:02,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2022-11-20 20:43:02,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:43:02,489 INFO L225 Difference]: With dead ends: 42 [2022-11-20 20:43:02,489 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:43:02,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:43:02,490 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:43:02,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 19 Unchecked, 0.0s Time] [2022-11-20 20:43:02,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:43:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:43:02,491 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) [2022-11-20 20:43:02,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:43:02,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2022-11-20 20:43:02,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:43:02,491 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:43:02,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-20 20:43:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:43:02,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:43:02,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (35 of 36 remaining) [2022-11-20 20:43:02,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (34 of 36 remaining) [2022-11-20 20:43:02,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (33 of 36 remaining) [2022-11-20 20:43:02,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (32 of 36 remaining) [2022-11-20 20:43:02,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (31 of 36 remaining) [2022-11-20 20:43:02,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (30 of 36 remaining) [2022-11-20 20:43:02,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (29 of 36 remaining) [2022-11-20 20:43:02,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (28 of 36 remaining) [2022-11-20 20:43:02,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (27 of 36 remaining) [2022-11-20 20:43:02,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 36 remaining) [2022-11-20 20:43:02,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (25 of 36 remaining) [2022-11-20 20:43:02,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (24 of 36 remaining) [2022-11-20 20:43:02,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (23 of 36 remaining) [2022-11-20 20:43:02,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (22 of 36 remaining) [2022-11-20 20:43:02,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (21 of 36 remaining) [2022-11-20 20:43:02,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (20 of 36 remaining) [2022-11-20 20:43:02,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (19 of 36 remaining) [2022-11-20 20:43:02,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (18 of 36 remaining) [2022-11-20 20:43:02,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (17 of 36 remaining) [2022-11-20 20:43:02,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (16 of 36 remaining) [2022-11-20 20:43:02,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (15 of 36 remaining) [2022-11-20 20:43:02,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (14 of 36 remaining) [2022-11-20 20:43:02,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (13 of 36 remaining) [2022-11-20 20:43:02,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (12 of 36 remaining) [2022-11-20 20:43:02,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (11 of 36 remaining) [2022-11-20 20:43:02,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (10 of 36 remaining) [2022-11-20 20:43:02,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (9 of 36 remaining) [2022-11-20 20:43:02,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (8 of 36 remaining) [2022-11-20 20:43:02,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (7 of 36 remaining) [2022-11-20 20:43:02,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (6 of 36 remaining) [2022-11-20 20:43:02,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (5 of 36 remaining) [2022-11-20 20:43:02,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (4 of 36 remaining) [2022-11-20 20:43:02,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (3 of 36 remaining) [2022-11-20 20:43:02,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (2 of 36 remaining) [2022-11-20 20:43:02,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (1 of 36 remaining) [2022-11-20 20:43:02,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (0 of 36 remaining) [2022-11-20 20:43:02,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-20 20:43:02,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 20:43:02,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 20:43:02,726 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2022-11-20 20:43:02,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2022-11-20 20:43:02,726 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-20 20:43:02,726 INFO L899 garLoopResultBuilder]: For program point L19-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2022-11-20 20:43:02,726 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-20 20:43:02,726 INFO L899 garLoopResultBuilder]: For program point L36-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,726 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 20:43:02,727 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-20 20:43:02,727 INFO L899 garLoopResultBuilder]: For program point L20-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2022-11-20 20:43:02,727 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-20 20:43:02,727 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-20 20:43:02,727 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2022-11-20 20:43:02,727 INFO L899 garLoopResultBuilder]: For program point L21-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2022-11-20 20:43:02,728 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-20 20:43:02,728 INFO L899 garLoopResultBuilder]: For program point L38-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2022-11-20 20:43:02,728 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2022-11-20 20:43:02,728 INFO L899 garLoopResultBuilder]: For program point L22-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,728 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2022-11-20 20:43:02,729 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-11-20 20:43:02,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2022-11-20 20:43:02,729 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 50) no Hoare annotation was computed. [2022-11-20 20:43:02,729 INFO L899 garLoopResultBuilder]: For program point L39-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,729 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-11-20 20:43:02,729 INFO L899 garLoopResultBuilder]: For program point L23-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,729 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-20 20:43:02,729 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2022-11-20 20:43:02,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2022-11-20 20:43:02,730 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-20 20:43:02,730 INFO L899 garLoopResultBuilder]: For program point L24-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2022-11-20 20:43:02,730 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-20 20:43:02,730 INFO L899 garLoopResultBuilder]: For program point L41-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 49) no Hoare annotation was computed. [2022-11-20 20:43:02,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 20:43:02,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2022-11-20 20:43:02,731 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-20 20:43:02,731 INFO L899 garLoopResultBuilder]: For program point L25-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2022-11-20 20:43:02,731 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2022-11-20 20:43:02,731 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2022-11-20 20:43:02,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 48) no Hoare annotation was computed. [2022-11-20 20:43:02,731 INFO L899 garLoopResultBuilder]: For program point L9-1(line 9) no Hoare annotation was computed. [2022-11-20 20:43:02,732 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,732 INFO L899 garLoopResultBuilder]: For program point L9-3(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2022-11-20 20:43:02,732 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-11-20 20:43:02,732 INFO L899 garLoopResultBuilder]: For program point L26-2(line 26) no Hoare annotation was computed. [2022-11-20 20:43:02,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2022-11-20 20:43:02,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2022-11-20 20:43:02,732 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-20 20:43:02,733 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-11-20 20:43:02,733 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,733 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2022-11-20 20:43:02,733 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-20 20:43:02,733 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2022-11-20 20:43:02,733 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,734 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2022-11-20 20:43:02,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2022-11-20 20:43:02,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 20:43:02,734 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-20 20:43:02,734 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-11-20 20:43:02,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2022-11-20 20:43:02,734 INFO L899 garLoopResultBuilder]: For program point L45-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,735 INFO L899 garLoopResultBuilder]: For program point L12-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2022-11-20 20:43:02,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2022-11-20 20:43:02,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2022-11-20 20:43:02,735 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-20 20:43:02,735 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-20 20:43:02,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2022-11-20 20:43:02,735 INFO L899 garLoopResultBuilder]: For program point L46-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point L13-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point L14-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2022-11-20 20:43:02,736 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-11-20 20:43:02,737 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-11-20 20:43:02,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2022-11-20 20:43:02,737 INFO L899 garLoopResultBuilder]: For program point L48-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,737 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2022-11-20 20:43:02,737 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-20 20:43:02,737 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 20:43:02,737 INFO L899 garLoopResultBuilder]: For program point L32-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2022-11-20 20:43:02,738 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-20 20:43:02,738 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-11-20 20:43:02,738 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2022-11-20 20:43:02,738 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-20 20:43:02,738 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,738 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-11-20 20:43:02,738 INFO L899 garLoopResultBuilder]: For program point L17-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,739 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-20 20:43:02,739 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2022-11-20 20:43:02,739 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,739 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2022-11-20 20:43:02,739 INFO L899 garLoopResultBuilder]: For program point L18(line 18) no Hoare annotation was computed. [2022-11-20 20:43:02,739 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 7 50) no Hoare annotation was computed. [2022-11-20 20:43:02,739 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2022-11-20 20:43:02,740 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-20 20:43:02,743 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:43:02,746 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:43:02,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:43:02 BoogieIcfgContainer [2022-11-20 20:43:02,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:43:02,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:43:02,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:43:02,755 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:43:02,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:42:55" (3/4) ... [2022-11-20 20:43:02,759 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:43:02,777 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 20:43:02,778 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 20:43:02,778 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 20:43:02,778 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:43:02,838 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:43:02,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:43:02,839 INFO L158 Benchmark]: Toolchain (without parser) took 8272.17ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 60.7MB in the beginning and 64.4MB in the end (delta: -3.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-11-20 20:43:02,839 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 35.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:43:02,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.69ms. Allocated memory is still 81.8MB. Free memory was 60.6MB in the beginning and 45.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 20:43:02,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.57ms. Allocated memory is still 81.8MB. Free memory was 45.1MB in the beginning and 43.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:43:02,840 INFO L158 Benchmark]: Boogie Preprocessor took 35.09ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 41.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:43:02,841 INFO L158 Benchmark]: RCFGBuilder took 747.25ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 49.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 20:43:02,841 INFO L158 Benchmark]: TraceAbstraction took 6770.63ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 48.7MB in the beginning and 68.6MB in the end (delta: -19.9MB). Peak memory consumption was 155.1kB. Max. memory is 16.1GB. [2022-11-20 20:43:02,841 INFO L158 Benchmark]: Witness Printer took 84.33ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 64.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:43:02,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 35.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.69ms. Allocated memory is still 81.8MB. Free memory was 60.6MB in the beginning and 45.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.57ms. Allocated memory is still 81.8MB. Free memory was 45.1MB in the beginning and 43.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.09ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 41.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 747.25ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 49.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6770.63ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 48.7MB in the beginning and 68.6MB in the end (delta: -19.9MB). Peak memory consumption was 155.1kB. Max. memory is 16.1GB. * Witness Printer took 84.33ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 64.4MB 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: 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: 9]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 10]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 11]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 22]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 23]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 24]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 25]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 26]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 32]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 34]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 35]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 36]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 37]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 38]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 39]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 40]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 41]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 42]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 43]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 44]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 45]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 47]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 48]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 49]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1035 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 341 IncrementalHoareTripleChecker+Unchecked, 369 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 666 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 44, 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, 15 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 448 ConstructedInterpolants, 137 QuantifiedInterpolants, 1643 SizeOfPredicates, 37 NumberOfNonLiveVariables, 701 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 20:43:02,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0966e4b0-a48c-4cb1-b550-53480b457fb4/bin/utaipan-6cKwYrpEi9/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