./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/interleave_bits.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/interleave_bits.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI --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 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb --- 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-5e519f3 [2022-11-03 01:53:49,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:53:49,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:53:49,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:53:49,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:53:49,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:53:49,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:53:49,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:53:49,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:53:49,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:53:49,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:53:49,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:53:49,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:53:49,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:53:49,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:53:49,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:53:49,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:53:49,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:53:49,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:53:49,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:53:49,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:53:49,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:53:49,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:53:49,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:53:49,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:53:49,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:53:49,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:53:49,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:53:49,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:53:49,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:53:49,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:53:49,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:53:49,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:53:49,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:53:49,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:53:49,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:53:49,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:53:49,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:53:49,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:53:49,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:53:49,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:53:49,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:53:49,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:53:49,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:53:49,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:53:49,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:53:49,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:53:49,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:53:49,707 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:53:49,707 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:53:49,707 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:53:49,708 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:53:49,709 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:53:49,709 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:53:49,710 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:53:49,710 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:53:49,710 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:53:49,711 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:53:49,711 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:53:49,711 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:53:49,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:53:49,713 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:53:49,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:53:49,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:53:49,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:53:49,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:53:49,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:53:49,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:53:49,715 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:53:49,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:53:49,717 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:53:49,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:53:49,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:53:49,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:53:49,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:53:49,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:53:49,719 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:53:49,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:53:49,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:53:49,720 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:53:49,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:53:49,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:53:49,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:53:49,721 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_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb [2022-11-03 01:53:50,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:53:50,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:53:50,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:53:50,124 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:53:50,125 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:53:50,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/bitvector/interleave_bits.i [2022-11-03 01:53:50,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data/f9c3cd86d/596a5a5288ee497aaef73a4714fefbc1/FLAG9daf291b3 [2022-11-03 01:53:50,802 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:53:50,803 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/sv-benchmarks/c/bitvector/interleave_bits.i [2022-11-03 01:53:50,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data/f9c3cd86d/596a5a5288ee497aaef73a4714fefbc1/FLAG9daf291b3 [2022-11-03 01:53:51,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data/f9c3cd86d/596a5a5288ee497aaef73a4714fefbc1 [2022-11-03 01:53:51,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:53:51,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:53:51,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:53:51,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:53:51,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:53:51,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c180dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51, skipping insertion in model container [2022-11-03 01:53:51,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:53:51,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:53:51,437 WARN L230 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_eefefb63-4e37-4794-8e5f-bc3d35b5099d/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-11-03 01:53:51,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:53:51,487 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:53:51,510 WARN L230 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_eefefb63-4e37-4794-8e5f-bc3d35b5099d/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-11-03 01:53:51,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:53:51,557 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:53:51,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51 WrapperNode [2022-11-03 01:53:51,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:53:51,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:53:51,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:53:51,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:53:51,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,693 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2022-11-03 01:53:51,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:53:51,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:53:51,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:53:51,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:53:51,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:53:51,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:53:51,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:53:51,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:53:51,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (1/1) ... [2022-11-03 01:53:51,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:53:51,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:53:51,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:53:51,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:53:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:53:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:53:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:53:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:53:52,031 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:53:52,034 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:53:52,601 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:53:52,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:53:52,684 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:53:52,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:52 BoogieIcfgContainer [2022-11-03 01:53:52,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:53:52,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:53:52,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:53:52,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:53:52,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:53:51" (1/3) ... [2022-11-03 01:53:52,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7600ab3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:52, skipping insertion in model container [2022-11-03 01:53:52,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:51" (2/3) ... [2022-11-03 01:53:52,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7600ab3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:52, skipping insertion in model container [2022-11-03 01:53:52,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:52" (3/3) ... [2022-11-03 01:53:52,719 INFO L112 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2022-11-03 01:53:52,744 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:53:52,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:53:52,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:53:52,846 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;@7ffa6e60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:53:52,846 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:53:52,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-11-03 01:53:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 01:53:52,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:52,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 01:53:52,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:52,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:52,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1850503, now seen corresponding path program 1 times [2022-11-03 01:53:52,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:52,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587633557] [2022-11-03 01:53:52,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:52,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:53,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:53,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587633557] [2022-11-03 01:53:53,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587633557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:53,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:53,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:53:53,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906225901] [2022-11-03 01:53:53,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:53,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:53,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:53,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:53,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:53,498 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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) [2022-11-03 01:53:53,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:53,575 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2022-11-03 01:53:53,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:53,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) 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 [2022-11-03 01:53:53,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:53,590 INFO L225 Difference]: With dead ends: 13 [2022-11-03 01:53:53,590 INFO L226 Difference]: Without dead ends: 6 [2022-11-03 01:53:53,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:53,601 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:53,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:53:53,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2022-11-03 01:53:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2022-11-03 01:53:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:53,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-11-03 01:53:53,659 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2022-11-03 01:53:53,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:53,660 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-11-03 01:53:53,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) 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) [2022-11-03 01:53:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-11-03 01:53:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 01:53:53,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:53,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 01:53:53,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:53:53,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:53,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:53,666 INFO L85 PathProgramCache]: Analyzing trace with hash 56695734, now seen corresponding path program 1 times [2022-11-03 01:53:53,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:53,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058168838] [2022-11-03 01:53:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:54,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:54,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058168838] [2022-11-03 01:53:54,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058168838] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:53:54,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089471350] [2022-11-03 01:53:54,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:54,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:53:54,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:53:54,086 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:53:54,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:53:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:54,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 01:53:54,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:53:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:54,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:53:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:54,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089471350] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:53:54,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [742272235] [2022-11-03 01:53:54,417 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-03 01:53:54,417 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:53:54,422 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:53:54,429 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:53:54,430 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:53:55,190 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:53:55,293 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '69#(and (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-03 01:53:55,293 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:53:55,294 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:53:55,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-03 01:53:55,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148619057] [2022-11-03 01:53:55,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:53:55,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:53:55,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:55,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:53:55,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:53:55,297 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:55,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:55,399 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-11-03 01:53:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:53:55,400 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 01:53:55,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:55,401 INFO L225 Difference]: With dead ends: 12 [2022-11-03 01:53:55,401 INFO L226 Difference]: Without dead ends: 9 [2022-11-03 01:53:55,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:53:55,403 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:55,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:53:55,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-03 01:53:55,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-03 01:53:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-03 01:53:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-03 01:53:55,408 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-03 01:53:55,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:55,408 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-03 01:53:55,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-03 01:53:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 01:53:55,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:55,409 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1] [2022-11-03 01:53:55,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:53:55,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:53:55,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:55,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:55,627 INFO L85 PathProgramCache]: Analyzing trace with hash 435294279, now seen corresponding path program 2 times [2022-11-03 01:53:55,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:55,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546876502] [2022-11-03 01:53:55,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:55,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:56,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:56,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546876502] [2022-11-03 01:53:56,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546876502] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:53:56,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392975539] [2022-11-03 01:53:56,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 01:53:56,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:53:56,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:53:56,347 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:53:56,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:53:56,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 01:53:56,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:53:56,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 01:53:56,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:53:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:56,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:53:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:53:56,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392975539] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:53:56,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1100539382] [2022-11-03 01:53:56,938 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-03 01:53:56,939 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:53:56,939 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:53:56,939 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:53:56,940 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:53:57,407 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:53:57,552 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '160#(and (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-03 01:53:57,552 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:53:57,552 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:53:57,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-03 01:53:57,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091095400] [2022-11-03 01:53:57,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:53:57,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 01:53:57,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:57,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 01:53:57,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:53:57,555 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:58,269 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-03 01:53:58,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:53:58,282 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-03 01:53:58,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:58,283 INFO L225 Difference]: With dead ends: 18 [2022-11-03 01:53:58,283 INFO L226 Difference]: Without dead ends: 15 [2022-11-03 01:53:58,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:53:58,285 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:58,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:53:58,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-03 01:53:58,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-03 01:53:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2022-11-03 01:53:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-03 01:53:58,292 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2022-11-03 01:53:58,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:58,292 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-03 01:53:58,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:53:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-03 01:53:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:53:58,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:58,297 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1] [2022-11-03 01:53:58,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:53:58,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:53:58,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:58,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:58,519 INFO L85 PathProgramCache]: Analyzing trace with hash 2046822887, now seen corresponding path program 3 times [2022-11-03 01:53:58,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:58,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41635854] [2022-11-03 01:53:58,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:58,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:00,085 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:00,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:00,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41635854] [2022-11-03 01:54:00,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41635854] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:54:00,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184663132] [2022-11-03 01:54:00,086 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 01:54:00,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:54:00,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:00,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:54:00,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:54:00,660 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 01:54:00,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:54:00,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 01:54:00,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:00,775 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:00,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:01,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184663132] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:01,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1217620047] [2022-11-03 01:54:01,177 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2022-11-03 01:54:01,178 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:54:01,178 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:54:01,178 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:54:01,179 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:54:01,573 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:54:01,742 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '329#(and (<= 0 |#NULL.base|) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|))' at error location [2022-11-03 01:54:01,742 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:54:01,743 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:54:01,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2022-11-03 01:54:01,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099107347] [2022-11-03 01:54:01,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:54:01,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-03 01:54:01,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:01,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-03 01:54:01,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2022-11-03 01:54:01,746 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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) [2022-11-03 01:54:02,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:02,628 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-11-03 01:54:02,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 01:54:02,629 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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 14 [2022-11-03 01:54:02,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:02,632 INFO L225 Difference]: With dead ends: 24 [2022-11-03 01:54:02,632 INFO L226 Difference]: Without dead ends: 21 [2022-11-03 01:54:02,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=255, Invalid=737, Unknown=0, NotChecked=0, Total=992 [2022-11-03 01:54:02,634 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:02,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:54:02,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-03 01:54:02,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-03 01:54:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 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) [2022-11-03 01:54:02,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-03 01:54:02,640 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2022-11-03 01:54:02,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:02,640 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-11-03 01:54:02,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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) [2022-11-03 01:54:02,641 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-03 01:54:02,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 01:54:02,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:02,641 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1] [2022-11-03 01:54:02,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:02,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:54:02,869 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:02,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:02,870 INFO L85 PathProgramCache]: Analyzing trace with hash -606844025, now seen corresponding path program 4 times [2022-11-03 01:54:02,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:02,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343112998] [2022-11-03 01:54:02,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:02,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:54:03,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:54:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:54:03,732 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 01:54:03,733 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:54:03,734 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:54:03,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:54:03,739 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1] [2022-11-03 01:54:03,743 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:54:03,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:54:03 BoogieIcfgContainer [2022-11-03 01:54:03,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:54:03,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:54:03,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:54:03,772 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:54:03,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:52" (3/4) ... [2022-11-03 01:54:03,776 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:54:03,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:54:03,777 INFO L158 Benchmark]: Toolchain (without parser) took 12590.39ms. Allocated memory was 98.6MB in the beginning and 264.2MB in the end (delta: 165.7MB). Free memory was 63.2MB in the beginning and 139.9MB in the end (delta: -76.6MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2022-11-03 01:54:03,777 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 69.4MB in the beginning and 69.4MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:54:03,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.84ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 63.0MB in the beginning and 103.3MB in the end (delta: -40.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 01:54:03,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.70ms. Allocated memory is still 130.0MB. Free memory was 103.3MB in the beginning and 92.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 01:54:03,778 INFO L158 Benchmark]: Boogie Preprocessor took 140.22ms. Allocated memory is still 130.0MB. Free memory was 92.1MB in the beginning and 84.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 01:54:03,779 INFO L158 Benchmark]: RCFGBuilder took 850.04ms. Allocated memory is still 130.0MB. Free memory was 84.4MB in the beginning and 81.9MB in the end (delta: 2.5MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-03 01:54:03,779 INFO L158 Benchmark]: TraceAbstraction took 11080.67ms. Allocated memory was 130.0MB in the beginning and 264.2MB in the end (delta: 134.2MB). Free memory was 81.3MB in the beginning and 139.9MB in the end (delta: -58.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2022-11-03 01:54:03,779 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 264.2MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:54:03,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 69.4MB in the beginning and 69.4MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.84ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 63.0MB in the beginning and 103.3MB in the end (delta: -40.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.70ms. Allocated memory is still 130.0MB. Free memory was 103.3MB in the beginning and 92.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.22ms. Allocated memory is still 130.0MB. Free memory was 92.1MB in the beginning and 84.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 850.04ms. Allocated memory is still 130.0MB. Free memory was 84.4MB in the beginning and 81.9MB in the end (delta: 2.5MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * TraceAbstraction took 11080.67ms. Allocated memory was 130.0MB in the beginning and 264.2MB in the end (delta: 134.2MB). Free memory was 81.3MB in the beginning and 139.9MB in the end (delta: -58.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 264.2MB. Free memory is still 139.9MB. 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: 25]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 50, overapproximation of bitwiseOr at line 55, overapproximation of bitwiseAnd at line 55. Possible FailurePath: [L42] unsigned short x = __VERIFIER_nondet_ushort(); [L43] unsigned short y = __VERIFIER_nondet_ushort(); [L44] unsigned int xx; [L45] unsigned int yy; [L46] unsigned int zz; [L47] unsigned int z = 0; [L48] unsigned int i = 0; VAL [i=0, z=0] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=1, z=1453] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=2, z=1453] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=3, z=1453] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=4, z=1453] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=5, z=1453] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=6, z=1453] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=7, z=1453] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=8, z=0] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=9, z=0] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=10, z=0] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=11, z=0] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=12, z=0] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=13, z=0] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=14, z=0] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=15, z=1] [L49] COND TRUE i < sizeof(x) * 8 [L50] z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1)) [L51] i += 1U VAL [i=16, z=1] [L49] COND FALSE !(i < sizeof(x) * 8) [L53] xx = x [L54] yy = y [L55] xx = (xx | (xx << 8u)) & 16711935U [L56] xx = (xx | (xx << 4u)) & 252645135U [L57] xx = (xx | (xx << 2u)) & 858993459U [L58] xx = (xx | (xx << 1u)) & 1431655765U [L59] yy = (yy | (yy << 8u)) & 16711935U [L60] yy = (yy | (yy << 4u)) & 252645135U [L61] yy = (yy | (yy << 2u)) & 858993459U [L62] yy = (yy | (yy << 1u)) & 1431655765U [L64] zz = xx | (yy << 1U) [L66] CALL __VERIFIER_assert(z == zz) [L24] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L25] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 5, TraceHistogramMax: 16, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 9 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=4, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 382 SizeOfPredicates, 3 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/198 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 [2022-11-03 01:54:03,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/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_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/interleave_bits.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI --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 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb --- 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-5e519f3 [2022-11-03 01:54:06,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:54:06,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:54:06,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:54:06,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:54:06,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:54:06,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:54:06,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:54:06,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:54:06,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:54:06,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:54:06,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:54:06,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:54:06,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:54:06,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:54:06,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:54:06,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:54:06,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:54:06,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:54:06,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:54:06,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:54:06,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:54:06,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:54:06,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:54:06,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:54:06,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:54:06,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:54:06,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:54:06,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:54:06,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:54:06,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:54:06,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:54:06,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:54:06,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:54:06,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:54:06,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:54:06,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:54:06,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:54:06,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:54:06,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:54:06,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:54:06,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 01:54:06,788 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:54:06,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:54:06,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:54:06,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:54:06,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:54:06,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:54:06,797 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:54:06,797 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:54:06,798 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:54:06,798 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:54:06,799 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:54:06,800 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:54:06,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:54:06,802 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:54:06,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:54:06,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:54:06,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:54:06,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:54:06,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:54:06,803 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:54:06,804 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:54:06,804 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:54:06,804 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:54:06,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:54:06,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:54:06,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:54:06,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:54:06,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:54:06,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:54:06,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:54:06,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:54:06,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:54:06,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:54:06,808 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:54:06,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:54:06,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:54:06,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:54:06,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:54:06,810 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_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb [2022-11-03 01:54:07,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:54:07,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:54:07,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:54:07,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:54:07,362 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:54:07,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/bitvector/interleave_bits.i [2022-11-03 01:54:07,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data/9868364f6/66611bf78928420888eff41acae12add/FLAGae37fb565 [2022-11-03 01:54:08,202 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:54:08,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/sv-benchmarks/c/bitvector/interleave_bits.i [2022-11-03 01:54:08,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data/9868364f6/66611bf78928420888eff41acae12add/FLAGae37fb565 [2022-11-03 01:54:08,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/data/9868364f6/66611bf78928420888eff41acae12add [2022-11-03 01:54:08,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:54:08,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:54:08,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:54:08,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:54:08,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:54:08,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c943a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08, skipping insertion in model container [2022-11-03 01:54:08,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:54:08,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:54:08,747 WARN L230 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_eefefb63-4e37-4794-8e5f-bc3d35b5099d/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-11-03 01:54:08,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:54:08,808 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:54:08,863 WARN L230 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_eefefb63-4e37-4794-8e5f-bc3d35b5099d/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-11-03 01:54:08,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:54:08,891 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:54:08,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08 WrapperNode [2022-11-03 01:54:08,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:54:08,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:54:08,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:54:08,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:54:08,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,933 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2022-11-03 01:54:08,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:54:08,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:54:08,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:54:08,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:54:08,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,978 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:08,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:54:08,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:54:08,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:54:08,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:54:08,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (1/1) ... [2022-11-03 01:54:09,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:54:09,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:09,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:54:09,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:54:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:54:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 01:54:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:54:09,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:54:09,204 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:54:09,207 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:54:09,464 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:54:09,471 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:54:09,471 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:54:09,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:09 BoogieIcfgContainer [2022-11-03 01:54:09,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:54:09,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:54:09,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:54:09,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:54:09,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:54:08" (1/3) ... [2022-11-03 01:54:09,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e60f591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:09, skipping insertion in model container [2022-11-03 01:54:09,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:08" (2/3) ... [2022-11-03 01:54:09,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e60f591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:09, skipping insertion in model container [2022-11-03 01:54:09,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:09" (3/3) ... [2022-11-03 01:54:09,484 INFO L112 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2022-11-03 01:54:09,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:54:09,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:54:09,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:54:09,676 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;@64579008, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:54:09,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:54:09,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:54:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 01:54:09,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:09,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-03 01:54:09,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:09,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:09,704 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2022-11-03 01:54:09,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:09,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807814881] [2022-11-03 01:54:09,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:09,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:09,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:09,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:09,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 01:54:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:09,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:54:09,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:09,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:09,943 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:09,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807814881] [2022-11-03 01:54:09,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807814881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:09,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:09,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:09,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726956257] [2022-11-03 01:54:09,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:09,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:09,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:10,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:10,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:10,011 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:54:10,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:10,053 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-11-03 01:54:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-03 01:54:10,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:10,067 INFO L225 Difference]: With dead ends: 20 [2022-11-03 01:54:10,068 INFO L226 Difference]: Without dead ends: 8 [2022-11-03 01:54:10,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:10,076 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:10,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:54:10,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-03 01:54:10,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-03 01:54:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2022-11-03 01:54:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-03 01:54:10,146 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2022-11-03 01:54:10,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:10,147 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-11-03 01:54:10,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:54:10,149 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-03 01:54:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 01:54:10,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:10,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:10,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-03 01:54:10,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:10,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:10,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:10,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1810510480, now seen corresponding path program 1 times [2022-11-03 01:54:10,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:10,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686009213] [2022-11-03 01:54:10,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:10,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:10,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:10,368 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:10,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 01:54:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:10,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 01:54:10,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:10,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:10,537 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:10,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686009213] [2022-11-03 01:54:10,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686009213] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:10,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1716011710] [2022-11-03 01:54:10,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:10,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:54:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:54:10,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:54:10,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-03 01:54:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:10,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 01:54:10,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:10,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:10,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1716011710] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:10,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316388693] [2022-11-03 01:54:10,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:10,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:54:10,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:10,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:54:10,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 01:54:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:10,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:54:10,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:10,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:10,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316388693] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:10,890 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 01:54:10,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 7 [2022-11-03 01:54:10,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068666534] [2022-11-03 01:54:10,892 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 01:54:10,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:54:10,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:10,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:54:10,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:54:10,895 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:54:10,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:10,978 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-11-03 01:54:10,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:54:10,979 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-03 01:54:10,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:10,981 INFO L225 Difference]: With dead ends: 15 [2022-11-03 01:54:10,981 INFO L226 Difference]: Without dead ends: 11 [2022-11-03 01:54:10,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:54:10,984 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:10,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 20 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:54:10,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-03 01:54:10,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-03 01:54:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:54:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-03 01:54:11,001 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2022-11-03 01:54:11,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:11,001 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2022-11-03 01:54:11,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:54:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-03 01:54:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:54:11,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:11,003 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:11,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:11,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:11,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:11,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 01:54:11,625 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:11,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:11,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1922847381, now seen corresponding path program 2 times [2022-11-03 01:54:11,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:11,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728402950] [2022-11-03 01:54:11,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-03 01:54:11,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:11,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:11,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:11,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 01:54:11,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-03 01:54:11,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:54:11,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 01:54:11,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:11,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:11,964 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:11,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728402950] [2022-11-03 01:54:11,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728402950] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:11,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1852563652] [2022-11-03 01:54:11,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-03 01:54:11,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:54:11,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:54:11,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:54:11,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-03 01:54:12,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-03 01:54:12,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:54:12,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 01:54:12,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:12,185 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:12,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:12,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1852563652] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:12,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100238738] [2022-11-03 01:54:12,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-03 01:54:12,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:54:12,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:12,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:54:12,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 01:54:12,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-03 01:54:12,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:54:12,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 01:54:12,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:12,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:12,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100238738] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:12,609 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 01:54:12,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7, 7] total 16 [2022-11-03 01:54:12,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675125133] [2022-11-03 01:54:12,610 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 01:54:12,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-03 01:54:12,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:12,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-03 01:54:12,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:54:12,613 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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) [2022-11-03 01:54:13,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:13,085 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2022-11-03 01:54:13,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:54:13,085 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 01:54:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:13,086 INFO L225 Difference]: With dead ends: 21 [2022-11-03 01:54:13,086 INFO L226 Difference]: Without dead ends: 17 [2022-11-03 01:54:13,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=155, Invalid=265, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:54:13,089 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:13,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 28 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:54:13,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-03 01:54:13,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-03 01:54:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:54:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-11-03 01:54:13,098 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2022-11-03 01:54:13,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:13,099 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-11-03 01:54:13,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 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) [2022-11-03 01:54:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-11-03 01:54:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 01:54:13,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:13,102 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:13,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:13,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:13,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:13,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:13,710 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:13,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:13,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1628318539, now seen corresponding path program 3 times [2022-11-03 01:54:13,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:13,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139740416] [2022-11-03 01:54:13,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 01:54:13,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:13,718 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:13,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 01:54:13,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-03 01:54:13,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:54:13,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 01:54:13,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:14,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:14,741 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:14,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139740416] [2022-11-03 01:54:14,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2139740416] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:14,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1983198801] [2022-11-03 01:54:14,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 01:54:14,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:54:14,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:54:14,746 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:54:14,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-11-03 01:54:14,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-03 01:54:14,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:54:14,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 01:54:14,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:15,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:15,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1983198801] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:15,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041355366] [2022-11-03 01:54:15,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 01:54:15,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:54:15,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:15,159 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:54:15,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-03 01:54:15,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-03 01:54:15,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:54:15,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 01:54:15,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:15,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:15,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041355366] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:15,462 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 01:54:15,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13, 13, 13, 13] total 24 [2022-11-03 01:54:15,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386752817] [2022-11-03 01:54:15,463 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 01:54:15,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-03 01:54:15,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:15,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-03 01:54:15,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2022-11-03 01:54:15,465 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 24 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 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) [2022-11-03 01:54:17,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:17,341 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2022-11-03 01:54:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-03 01:54:17,342 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 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 16 [2022-11-03 01:54:17,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:17,343 INFO L225 Difference]: With dead ends: 33 [2022-11-03 01:54:17,343 INFO L226 Difference]: Without dead ends: 29 [2022-11-03 01:54:17,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=370, Invalid=820, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 01:54:17,345 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 35 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:17,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 32 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:54:17,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-03 01:54:17,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-03 01:54:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 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) [2022-11-03 01:54:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2022-11-03 01:54:17,358 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 16 [2022-11-03 01:54:17,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:17,359 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-11-03 01:54:17,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 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) [2022-11-03 01:54:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-11-03 01:54:17,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 01:54:17,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:17,361 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:17,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:17,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:17,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:17,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:17,965 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:17,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:17,966 INFO L85 PathProgramCache]: Analyzing trace with hash 26919211, now seen corresponding path program 4 times [2022-11-03 01:54:17,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:17,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215940045] [2022-11-03 01:54:17,967 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 01:54:17,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:17,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:17,968 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:17,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 01:54:18,128 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 01:54:18,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:54:18,141 WARN L261 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-03 01:54:18,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:20,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:55:20,894 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~y~0#1| (_ BitVec 16))) (let ((.cse0 ((_ zero_extend 16) |ULTIMATE.start_main_~y~0#1|)) (.cse1 ((_ zero_extend 16) |ULTIMATE.start_main_~x~0#1|))) (= (bvor (bvor (bvor (bvshl (bvand .cse0 (_ bv16384 32)) (_ bv15 32)) (bvshl (bvand .cse1 (_ bv16384 32)) (_ bv14 32))) (bvor (bvor (bvor (bvor (bvshl (bvand .cse1 (_ bv2048 32)) (_ bv11 32)) (bvshl (bvand .cse0 (_ bv2048 32)) (_ bv12 32))) (bvor (bvor (bvshl (bvand .cse0 (_ bv1024 32)) (_ bv11 32)) (bvshl (bvand .cse1 (_ bv1024 32)) (_ bv10 32))) (bvor (bvor (bvor (bvor (bvshl (bvand .cse0 (_ bv128 32)) (_ bv8 32)) (bvshl (bvand .cse1 (_ bv128 32)) (_ bv7 32))) (bvor (bvor (bvor (bvor (bvshl (bvand (_ bv16 32) .cse1) (_ bv4 32)) (bvshl (bvand .cse0 (_ bv16 32)) (_ bv5 32))) (bvor (bvor (bvshl (bvand .cse0 (_ bv8 32)) (_ bv4 32)) (bvshl (bvand .cse1 (_ bv8 32)) (_ bv3 32))) (bvor (bvor (bvshl (bvand .cse0 (_ bv4 32)) (_ bv3 32)) (bvshl (bvand .cse1 (_ bv4 32)) (_ bv2 32))) (bvor (bvor (_ bv0 32) (bvor (bvshl (bvand .cse0 (_ bv1 32)) (_ bv1 32)) (bvshl (bvand .cse1 (_ bv1 32)) (_ bv0 32)))) (bvor (bvshl (bvand .cse1 (_ bv2 32)) (_ bv1 32)) (bvshl (bvand .cse0 (_ bv2 32)) (_ bv2 32))))))) (bvor (bvshl (bvand .cse0 (_ bv32 32)) (_ bv6 32)) (bvshl (bvand .cse1 (_ bv32 32)) (_ bv5 32)))) (bvor (bvshl (bvand .cse0 (_ bv64 32)) (_ bv7 32)) (bvshl (bvand .cse1 (_ bv64 32)) (_ bv6 32))))) (bvor (bvshl (bvand (_ bv256 32) .cse1) (_ bv8 32)) (bvshl (bvand .cse0 (_ bv256 32)) (_ bv9 32)))) (bvor (bvshl (bvand .cse1 (_ bv512 32)) (_ bv9 32)) (bvshl (bvand .cse0 (_ bv512 32)) (_ bv10 32)))))) (bvor (bvshl (bvand .cse1 (_ bv4096 32)) (_ bv12 32)) (bvshl (bvand .cse0 (_ bv4096 32)) (_ bv13 32)))) (bvor (bvshl (bvand .cse0 (_ bv8192 32)) (_ bv14 32)) (bvshl (bvand .cse1 (_ bv8192 32)) (_ bv13 32))))) (bvor (bvshl (bvand .cse0 (_ bv32768 32)) (_ bv16 32)) (bvshl (bvand .cse1 (_ bv32768 32)) (_ bv15 32)))) (let ((.cse31 (bvadd (_ bv15 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse29 (bvadd (_ bv14 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse4 (bvadd (_ bv13 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse3 (bvadd (_ bv12 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse2 (bvshl (_ bv1 32) .cse3))) (bvor (bvshl (bvand .cse1 .cse2) .cse3) (bvshl (bvand .cse0 .cse2) .cse4))) (let ((.cse6 (bvadd (_ bv11 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse5 (bvshl (_ bv1 32) .cse6))) (bvor (bvshl (bvand .cse0 .cse5) .cse3) (bvshl (bvand .cse1 .cse5) .cse6))) (let ((.cse8 (bvadd (_ bv10 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse7 (bvshl (_ bv1 32) .cse8))) (bvor (bvshl (bvand .cse1 .cse7) .cse8) (bvshl (bvand .cse0 .cse7) .cse6))) (let ((.cse26 (bvadd (_ bv9 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse10 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse11 (bvadd (_ bv7 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse9 (bvshl (_ bv1 32) .cse11))) (bvor (bvshl (bvand .cse0 .cse9) .cse10) (bvshl (bvand .cse1 .cse9) .cse11))) (let ((.cse13 (bvadd (_ bv6 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse14 (bvadd (_ bv5 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse12 (bvshl (_ bv1 32) .cse14))) (bvor (bvshl (bvand .cse0 .cse12) .cse13) (bvshl (bvand .cse1 .cse12) .cse14))) (let ((.cse16 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse15 (bvshl (_ bv1 32) .cse16))) (bvor (bvshl (bvand .cse0 .cse15) .cse14) (bvshl (bvand .cse1 .cse15) .cse16))) (let ((.cse18 (bvadd (_ bv3 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse17 (bvshl (_ bv1 32) .cse18))) (bvor (bvshl (bvand .cse0 .cse17) .cse16) (bvshl (bvand .cse1 .cse17) .cse18))) (let ((.cse22 (bvadd (_ bv2 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (let ((.cse20 (bvadd (_ bv1 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (bvor |c_ULTIMATE.start_main_~z~0#1| (let ((.cse19 (bvshl (_ bv1 32) |c_ULTIMATE.start_main_~i~0#1|))) (bvor (bvshl (bvand .cse0 .cse19) .cse20) (bvshl (bvand .cse1 .cse19) |c_ULTIMATE.start_main_~i~0#1|)))) (let ((.cse21 (bvshl (_ bv1 32) .cse20))) (bvor (bvshl (bvand .cse1 .cse21) .cse20) (bvshl (bvand .cse0 .cse21) .cse22))))) (let ((.cse23 (bvshl (_ bv1 32) .cse22))) (bvor (bvshl (bvand .cse1 .cse23) .cse22) (bvshl (bvand .cse0 .cse23) .cse18))))))))))) (let ((.cse24 (bvshl (_ bv1 32) .cse13))) (bvor (bvshl (bvand .cse0 .cse24) .cse11) (bvshl (bvand .cse1 .cse24) .cse13))))))) (let ((.cse25 (bvshl (_ bv1 32) .cse10))) (bvor (bvshl (bvand .cse1 .cse25) .cse10) (bvshl (bvand .cse0 .cse25) .cse26))))) (let ((.cse27 (bvshl (_ bv1 32) .cse26))) (bvor (bvshl (bvand .cse1 .cse27) .cse26) (bvshl (bvand .cse0 .cse27) .cse8))))))))))) (let ((.cse28 (bvshl (_ bv1 32) .cse4))) (bvor (bvshl (bvand .cse28 .cse1) .cse4) (bvshl (bvand .cse0 .cse28) .cse29))))) (let ((.cse30 (bvshl (_ bv1 32) .cse29))) (bvor (bvshl (bvand .cse1 .cse30) .cse29) (bvshl (bvand .cse0 .cse30) .cse31))))) (let ((.cse32 (bvshl (_ bv1 32) .cse31))) (bvor (bvshl (bvand .cse32 .cse0) (bvadd (_ bv16 32) |c_ULTIMATE.start_main_~i~0#1|)) (bvshl (bvand .cse32 .cse1) .cse31)))))))) is different from false [2022-11-03 01:55:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 16 not checked. [2022-11-03 01:55:20,962 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:55:20,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215940045] [2022-11-03 01:55:20,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215940045] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:55:20,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [244019192] [2022-11-03 01:55:20,963 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 01:55:20,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 01:55:20,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 01:55:20,987 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 01:55:20,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2022-11-03 01:55:21,254 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 01:55:21,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:55:21,256 WARN L261 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-03 01:55:21,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:55:22,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:55:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 16 not checked. [2022-11-03 01:55:23,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [244019192] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:55:23,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814481633] [2022-11-03 01:55:23,591 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 01:55:23,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:23,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:23,593 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:55:23,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-03 01:55:23,692 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 01:55:23,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 01:55:23,704 WARN L261 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-03 01:55:23,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:55:24,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:56:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 120 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:56:43,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814481633] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:56:43,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 01:56:43,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20, 20, 20, 20] total 53 [2022-11-03 01:56:43,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578339447] [2022-11-03 01:56:43,454 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 01:56:43,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-11-03 01:56:43,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:56:43,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-03 01:56:43,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=720, Invalid=1935, Unknown=1, NotChecked=100, Total=2756 [2022-11-03 01:56:43,457 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 53 states have internal predecessors, (58), 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) [2022-11-03 01:56:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:46,802 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2022-11-03 01:56:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-03 01:56:46,803 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 53 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-03 01:56:46,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:46,804 INFO L225 Difference]: With dead ends: 29 [2022-11-03 01:56:46,804 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:56:46,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 57 SyntacticMatches, 19 SemanticMatches, 52 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 139.5s TimeCoverageRelationStatistics Valid=755, Invalid=2004, Unknown=1, NotChecked=102, Total=2862 [2022-11-03 01:56:46,806 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:46,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 25 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 322 Invalid, 0 Unknown, 38 Unchecked, 3.0s Time] [2022-11-03 01:56:46,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:56:46,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:56:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:56:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:56:46,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-11-03 01:56:46,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:46,808 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:56:46,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 53 states have internal predecessors, (58), 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) [2022-11-03 01:56:46,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:56:46,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:56:46,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:56:46,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-03 01:56:47,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2022-11-03 01:56:47,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 01:56:47,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:56:47,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 01:56:49,093 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:56:49,093 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-03 01:56:49,094 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 67) no Hoare annotation was computed. [2022-11-03 01:56:49,094 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 01:56:49,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 01:56:49,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 01:56:49,094 INFO L899 garLoopResultBuilder]: For program point L24(lines 24 26) no Hoare annotation was computed. [2022-11-03 01:56:49,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed. [2022-11-03 01:56:49,095 INFO L902 garLoopResultBuilder]: At program point L24-2(lines 23 28) the Hoare annotation is: true [2022-11-03 01:56:49,096 INFO L895 garLoopResultBuilder]: At program point L49-2(lines 49 52) the Hoare annotation is: (let ((.cse9 ((_ zero_extend 16) |ULTIMATE.start_main_~x~0#1|)) (.cse6 ((_ zero_extend 16) |ULTIMATE.start_main_~y~0#1|))) (let ((.cse2 (bvor (bvor (bvshl (bvand .cse6 (_ bv4 32)) (_ bv3 32)) (bvshl (bvand .cse9 (_ bv4 32)) (_ bv2 32))) (bvor (bvor (_ bv0 32) (bvor (bvshl (bvand .cse6 (_ bv1 32)) (_ bv1 32)) (bvshl (bvand .cse9 (_ bv1 32)) (_ bv0 32)))) (bvor (bvshl (bvand .cse9 (_ bv2 32)) (_ bv1 32)) (bvshl (bvand .cse6 (_ bv2 32)) (_ bv2 32))))))) (let ((.cse1 (bvor (bvor (bvshl (bvand .cse6 (_ bv8 32)) (_ bv4 32)) (bvshl (bvand .cse9 (_ bv8 32)) (_ bv3 32))) .cse2))) (let ((.cse13 (bvadd (_ bv4294967295 32) |ULTIMATE.start_main_~i~0#1|)) (.cse11 (bvor (bvor (bvor (bvor (bvshl (bvand (_ bv16 32) .cse9) (_ bv4 32)) (bvshl (bvand .cse6 (_ bv16 32)) (_ bv5 32))) .cse1) (bvor (bvshl (bvand .cse6 (_ bv32 32)) (_ bv6 32)) (bvshl (bvand .cse9 (_ bv32 32)) (_ bv5 32)))) (bvor (bvshl (bvand .cse6 (_ bv64 32)) (_ bv7 32)) (bvshl (bvand .cse9 (_ bv64 32)) (_ bv6 32))))) (.cse15 (bvadd |ULTIMATE.start_main_~i~0#1| (_ bv4294967294 32))) (.cse8 (bvadd |ULTIMATE.start_main_~i~0#1| (_ bv4294967293 32)))) (let ((.cse5 (let ((.cse16 (bvshl (_ bv1 32) .cse8))) (bvor (bvshl (bvand .cse9 .cse16) .cse8) (bvshl (bvand .cse6 .cse16) .cse15)))) (.cse4 (bvor (bvor (bvshl (bvand .cse6 (_ bv1024 32)) (_ bv11 32)) (bvshl (bvand .cse9 (_ bv1024 32)) (_ bv10 32))) (bvor (bvor (bvor (bvor (bvshl (bvand .cse6 (_ bv128 32)) (_ bv8 32)) (bvshl (bvand .cse9 (_ bv128 32)) (_ bv7 32))) .cse11) (bvor (bvshl (bvand (_ bv256 32) .cse9) (_ bv8 32)) (bvshl (bvand .cse6 (_ bv256 32)) (_ bv9 32)))) (bvor (bvshl (bvand .cse9 (_ bv512 32)) (_ bv9 32)) (bvshl (bvand .cse6 (_ bv512 32)) (_ bv10 32)))))) (.cse3 (let ((.cse14 (bvshl (_ bv1 32) .cse15))) (bvor (bvshl (bvand .cse6 .cse14) .cse13) (bvshl (bvand .cse9 .cse14) .cse15)))) (.cse0 (let ((.cse12 (bvshl (_ bv1 32) .cse13))) (bvor (bvshl (bvand .cse9 .cse12) .cse13) (bvshl (bvand .cse6 .cse12) |ULTIMATE.start_main_~i~0#1|))))) (or (and (= |ULTIMATE.start_main_~z~0#1| (bvor .cse0 .cse1)) (= |ULTIMATE.start_main_~i~0#1| (_ bv5 32))) (and (= |ULTIMATE.start_main_~z~0#1| .cse2) (= |ULTIMATE.start_main_~i~0#1| (_ bv3 32))) (and (= (_ bv14 32) |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~z~0#1| (bvor .cse0 (bvor .cse3 (bvor .cse4 .cse5))))) (and (= |ULTIMATE.start_main_~z~0#1| .cse1) (= (_ bv4 32) |ULTIMATE.start_main_~i~0#1|)) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv12 32)) (= |ULTIMATE.start_main_~z~0#1| (bvor .cse0 .cse4))) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv15 32)) (= |ULTIMATE.start_main_~z~0#1| (bvor .cse0 (bvor .cse3 (bvor (bvor (let ((.cse10 (bvadd (_ bv4294967292 32) |ULTIMATE.start_main_~i~0#1|))) (let ((.cse7 (bvshl (_ bv1 32) .cse10))) (bvor (bvshl (bvand .cse6 .cse7) .cse8) (bvshl (bvand .cse9 .cse7) .cse10)))) .cse4) .cse5))))) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv13 32)) (= |ULTIMATE.start_main_~z~0#1| (bvor .cse0 (bvor .cse3 .cse4)))) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv1 32)) (= (bvor .cse0 (_ bv0 32)) |ULTIMATE.start_main_~z~0#1|)) (= |ULTIMATE.start_main_~z~0#1| (bvor (bvor (bvor (bvshl (bvand .cse6 (_ bv16384 32)) (_ bv15 32)) (bvshl (bvand .cse9 (_ bv16384 32)) (_ bv14 32))) (bvor (bvor (bvor (bvor (bvshl (bvand .cse9 (_ bv2048 32)) (_ bv11 32)) (bvshl (bvand .cse6 (_ bv2048 32)) (_ bv12 32))) .cse4) (bvor (bvshl (bvand .cse9 (_ bv4096 32)) (_ bv12 32)) (bvshl (bvand .cse6 (_ bv4096 32)) (_ bv13 32)))) (bvor (bvshl (bvand .cse6 (_ bv8192 32)) (_ bv14 32)) (bvshl (bvand .cse9 (_ bv8192 32)) (_ bv13 32))))) (bvor (bvshl (bvand .cse6 (_ bv32768 32)) (_ bv16 32)) (bvshl (bvand .cse9 (_ bv32768 32)) (_ bv15 32))))) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv10 32)) (= (bvor .cse0 (bvor .cse3 (bvor .cse11 .cse5))) |ULTIMATE.start_main_~z~0#1|)) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv9 32)) (= (bvor (bvor .cse3 .cse11) .cse0) |ULTIMATE.start_main_~z~0#1|)) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv6 32)) (= |ULTIMATE.start_main_~z~0#1| (bvor (bvor .cse3 .cse1) .cse0))) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv7 32)) (= |ULTIMATE.start_main_~z~0#1| .cse11)) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv11 32)) (= |ULTIMATE.start_main_~z~0#1| .cse4)) (and (= |ULTIMATE.start_main_~z~0#1| (bvor .cse0 (bvor .cse3 (_ bv0 32)))) (= |ULTIMATE.start_main_~i~0#1| (_ bv2 32))) (and (= (bvor .cse0 .cse11) |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~i~0#1| (_ bv8 32))) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv0 32)) (= |ULTIMATE.start_main_~z~0#1| (_ bv0 32))))))))) [2022-11-03 01:56:49,096 INFO L899 garLoopResultBuilder]: For program point L49-3(lines 49 52) no Hoare annotation was computed. [2022-11-03 01:56:49,100 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1] [2022-11-03 01:56:49,102 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:56:49,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:56:49 BoogieIcfgContainer [2022-11-03 01:56:49,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:56:49,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:56:49,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:56:49,141 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:56:49,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:09" (3/4) ... [2022-11-03 01:56:49,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:56:49,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-03 01:56:49,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 01:56:49,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:56:49,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:56:49,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:56:49,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:56:49,197 INFO L158 Benchmark]: Toolchain (without parser) took 160670.19ms. Allocated memory was 58.7MB in the beginning and 111.1MB in the end (delta: 52.4MB). Free memory was 36.0MB in the beginning and 35.9MB in the end (delta: 106.8kB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2022-11-03 01:56:49,197 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:56:49,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.80ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 40.3MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 01:56:49,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.36ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 38.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:56:49,198 INFO L158 Benchmark]: Boogie Preprocessor took 50.91ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 37.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:56:49,199 INFO L158 Benchmark]: RCFGBuilder took 487.48ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 27.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 01:56:49,199 INFO L158 Benchmark]: TraceAbstraction took 159664.22ms. Allocated memory was 58.7MB in the beginning and 111.1MB in the end (delta: 52.4MB). Free memory was 26.4MB in the beginning and 38.0MB in the end (delta: -11.6MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-11-03 01:56:49,200 INFO L158 Benchmark]: Witness Printer took 55.74ms. Allocated memory is still 111.1MB. Free memory was 38.0MB in the beginning and 35.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:56:49,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.80ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 40.3MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.36ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 38.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.91ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 37.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.48ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 27.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 159664.22ms. Allocated memory was 58.7MB in the beginning and 111.1MB in the end (delta: 52.4MB). Free memory was 26.4MB in the beginning and 38.0MB in the end (delta: -11.6MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Witness Printer took 55.74ms. Allocated memory is still 111.1MB. Free memory was 38.0MB in the beginning and 35.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: 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: 25]: 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 159.5s, OverallIterations: 5, TraceHistogramMax: 16, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 38 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 477 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 30 mSDtfsCounter, 477 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 200 SyntacticMatches, 19 SemanticMatches, 111 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 142.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=4, InterpolantAutomatonStates: 68, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 25 NumberOfFragments, 2263 HoareAnnotationTreeSize, 2 FomulaSimplifications, 1461 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 381 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 147.1s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 311 ConstructedInterpolants, 3 QuantifiedInterpolants, 30976 SizeOfPredicates, 37 NumberOfNonLiveVariables, 565 ConjunctsInSsa, 203 ConjunctsInUnsatCore, 25 InterpolantComputations, 1 PerfectInterpolantSequences, 360/1212 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 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((((((((((((z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))) && i == 5bv32) || (z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))) && i == 3bv32)) || (14bv32 == i && z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(i, 4294967294bv32))), ~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32)))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967293bv32))), ~bvadd64(i, 4294967293bv32)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967293bv32))), ~bvadd64(i, 4294967294bv32)))))))) || (z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32))))) && 4bv32 == i)) || (i == 12bv32 && z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32))))))) || (i == 15bv32 && z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(i, 4294967294bv32))), ~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967292bv32, i))), ~bvadd64(i, 4294967293bv32)), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967292bv32, i))), ~bvadd64(4294967292bv32, i))), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967293bv32))), ~bvadd64(i, 4294967293bv32)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967293bv32))), ~bvadd64(i, 4294967294bv32)))))))) || (i == 13bv32 && z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(i, 4294967294bv32))), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32)))))))) || (i == 1bv32 && ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), 0bv32) == z)) || z == ~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16384bv32), 15bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 16384bv32), 14bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2048bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2048bv32), 12bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4096bv32), 12bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4096bv32), 13bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8192bv32), 14bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8192bv32), 13bv32)))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32768bv32), 16bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32768bv32), 15bv32)))) || (i == 10bv32 && ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(i, 4294967294bv32))), ~bvor32(~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967293bv32))), ~bvadd64(i, 4294967293bv32)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967293bv32))), ~bvadd64(i, 4294967294bv32)))))) == z)) || (i == 9bv32 && ~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(i, 4294967294bv32))), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i))) == z)) || (i == 6bv32 && z == ~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(i, 4294967294bv32))), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i))))) || (i == 7bv32 && z == ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32))))) || (i == 11bv32 && z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1024bv32), 11bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1024bv32), 10bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 128bv32), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 128bv32), 7bv32)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))), ~bvor32(~bvshl32(~bvand32(256bv32, ~zero_extendFrom16To32(x)), 8bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 256bv32), 9bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 512bv32), 9bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 512bv32), 10bv32)))))) || (z == ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(i, 4294967294bv32))), ~bvadd64(i, 4294967294bv32))), 0bv32)) && i == 2bv32)) || (~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), ~bvadd64(4294967295bv32, i)), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), ~bvshl32(1bv32, ~bvadd64(4294967295bv32, i))), i)), ~bvor32(~bvor32(~bvor32(~bvor32(~bvshl32(~bvand32(16bv32, ~zero_extendFrom16To32(x)), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 16bv32), 5bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 8bv32), 4bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 8bv32), 3bv32)), ~bvor32(~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 4bv32), 3bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 4bv32), 2bv32)), ~bvor32(~bvor32(0bv32, ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 1bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 1bv32), 0bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(x), 2bv32), 1bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(y), 2bv32), 2bv32)))))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 32bv32), 6bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 32bv32), 5bv32))), ~bvor32(~bvshl32(~bvand32(~zero_extendFrom16To32(y), 64bv32), 7bv32), ~bvshl32(~bvand32(~zero_extendFrom16To32(x), 64bv32), 6bv32)))) == z && i == 8bv32)) || (i == 0bv32 && z == 0bv32) RESULT: Ultimate proved your program to be correct! [2022-11-03 01:56:49,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eefefb63-4e37-4794-8e5f-bc3d35b5099d/bin/utaipan-7li7fVZpFI/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