./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/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 64bit --witnessprinter.graph.data.programhash 082c74283cb4e90006a36b616f3f245c79d7cd549b9554e45e092a29b82fdccd --- 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 01:59:37,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:59:37,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:59:37,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:59:37,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:59:37,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:59:37,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:59:37,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:59:37,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:59:37,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:59:37,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:59:37,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:59:37,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:59:37,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:59:37,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:59:37,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:59:37,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:59:37,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:59:37,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:59:37,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:59:37,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:59:37,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:59:37,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:59:37,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:59:37,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:59:37,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:59:37,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:59:37,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:59:37,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:59:37,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:59:37,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:59:37,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:59:37,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:59:37,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:59:37,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:59:37,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:59:37,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:59:37,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:59:37,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:59:37,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:59:37,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:59:37,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:59:37,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:59:37,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:59:37,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:59:37,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:59:37,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:59:37,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:59:37,202 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:59:37,202 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:59:37,202 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:59:37,202 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:59:37,204 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:59:37,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:59:37,204 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:59:37,205 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:59:37,205 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:59:37,205 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:59:37,205 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:59:37,206 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:59:37,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:59:37,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:59:37,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:59:37,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:59:37,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:59:37,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:59:37,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:59:37,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:59:37,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:59:37,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:59:37,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:59:37,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:37,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:59:37,212 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:59:37,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:59:37,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:59:37,213 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:59:37,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:59:37,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:59:37,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:59:37,214 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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 082c74283cb4e90006a36b616f3f245c79d7cd549b9554e45e092a29b82fdccd [2022-11-03 01:59:37,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:59:37,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:59:37,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:59:37,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:59:37,586 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:59:37,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2022-11-03 01:59:37,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data/5a60fedaf/51e1b541a7b64f879b007e4059868350/FLAGfe254ea0d [2022-11-03 01:59:38,350 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:59:38,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2022-11-03 01:59:38,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data/5a60fedaf/51e1b541a7b64f879b007e4059868350/FLAGfe254ea0d [2022-11-03 01:59:38,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data/5a60fedaf/51e1b541a7b64f879b007e4059868350 [2022-11-03 01:59:38,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:59:38,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:59:38,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:38,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:59:38,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:59:38,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:38" (1/1) ... [2022-11-03 01:59:38,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b891edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:38, skipping insertion in model container [2022-11-03 01:59:38,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:38" (1/1) ... [2022-11-03 01:59:38,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:59:38,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:59:38,907 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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1107,1120] [2022-11-03 01:59:39,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:59:39,086 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:59:39,099 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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1107,1120] [2022-11-03 01:59:39,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:59:39,257 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:59:39,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39 WrapperNode [2022-11-03 01:59:39,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:39,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:59:39,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:59:39,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:59:39,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,395 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 575 [2022-11-03 01:59:39,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:59:39,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:59:39,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:59:39,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:59:39,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,468 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:59:39,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:59:39,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:59:39,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:59:39,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (1/1) ... [2022-11-03 01:59:39,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:39,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:59:39,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:59:39,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:59:39,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:59:39,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:59:39,932 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:59:39,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:59:51,368 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:59:51,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:59:51,390 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:59:51,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:59:51 BoogieIcfgContainer [2022-11-03 01:59:51,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:59:51,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:59:51,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:59:51,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:59:51,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:59:38" (1/3) ... [2022-11-03 01:59:51,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b08b736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:59:51, skipping insertion in model container [2022-11-03 01:59:51,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:39" (2/3) ... [2022-11-03 01:59:51,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b08b736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:59:51, skipping insertion in model container [2022-11-03 01:59:51,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:59:51" (3/3) ... [2022-11-03 01:59:51,405 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_ibuf.c [2022-11-03 01:59:51,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:59:51,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:59:51,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:59:51,533 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;@14c1db13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:59:51,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:59:51,547 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 01:59:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 01:59:51,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:51,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 01:59:51,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:59:51,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:51,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1797488, now seen corresponding path program 1 times [2022-11-03 01:59:51,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:51,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083630388] [2022-11-03 01:59:51,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:51,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:59:52,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:59:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:59:53,292 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 01:59:53,294 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:59:53,296 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:59:53,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:59:53,305 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 01:59:53,310 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:59:53,344 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 01:59:53,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:59:53 BoogieIcfgContainer [2022-11-03 01:59:53,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:59:53,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:59:53,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:59:53,363 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:59:53,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:59:51" (3/4) ... [2022-11-03 01:59:53,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:59:53,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:59:53,372 INFO L158 Benchmark]: Toolchain (without parser) took 14761.04ms. Allocated memory was 96.5MB in the beginning and 423.6MB in the end (delta: 327.2MB). Free memory was 55.0MB in the beginning and 357.7MB in the end (delta: -302.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-03 01:59:53,373 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:59:53,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.66ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 57.5MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 01:59:53,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.20ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 44.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 01:59:53,388 INFO L158 Benchmark]: Boogie Preprocessor took 158.02ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 44.5MB in the beginning and 106.2MB in the end (delta: -61.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-03 01:59:53,388 INFO L158 Benchmark]: RCFGBuilder took 11838.19ms. Allocated memory was 136.3MB in the beginning and 423.6MB in the end (delta: 287.3MB). Free memory was 105.6MB in the beginning and 268.9MB in the end (delta: -163.3MB). Peak memory consumption was 259.5MB. Max. memory is 16.1GB. [2022-11-03 01:59:53,390 INFO L158 Benchmark]: TraceAbstraction took 1965.10ms. Allocated memory is still 423.6MB. Free memory was 267.9MB in the beginning and 358.8MB in the end (delta: -90.9MB). Peak memory consumption was 134.6MB. Max. memory is 16.1GB. [2022-11-03 01:59:53,391 INFO L158 Benchmark]: Witness Printer took 7.18ms. Allocated memory is still 423.6MB. Free memory was 358.8MB in the beginning and 357.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:59:53,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.66ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 57.5MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.20ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 44.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.02ms. Allocated memory was 96.5MB in the beginning and 136.3MB in the end (delta: 39.8MB). Free memory was 44.5MB in the beginning and 106.2MB in the end (delta: -61.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * RCFGBuilder took 11838.19ms. Allocated memory was 136.3MB in the beginning and 423.6MB in the end (delta: 287.3MB). Free memory was 105.6MB in the beginning and 268.9MB in the end (delta: -163.3MB). Peak memory consumption was 259.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1965.10ms. Allocated memory is still 423.6MB. Free memory was 267.9MB in the beginning and 358.8MB in the end (delta: -90.9MB). Peak memory consumption was 134.6MB. Max. memory is 16.1GB. * Witness Printer took 7.18ms. Allocated memory is still 423.6MB. Free memory was 358.8MB in the beginning and 357.7MB in the end (delta: 1.1MB). 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 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 63, overapproximation of bitwiseOr at line 68, overapproximation of bitwiseAnd at line 86. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L34] const SORT_5 var_9 = 0; [L35] const SORT_1 var_54 = 1; [L36] const SORT_1 var_165 = 0; [L38] SORT_1 input_2; [L39] SORT_3 input_4; [L40] SORT_5 input_6; [L41] SORT_3 input_7; [L42] SORT_5 input_8; [L44] SORT_5 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L45] SORT_5 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L47] SORT_5 init_11_arg_1 = var_9; [L48] state_10 = init_11_arg_1 [L49] SORT_5 init_25_arg_1 = var_9; [L50] state_24 = init_25_arg_1 VAL [init_11_arg_1=0, init_25_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_5=4, state_10=0, state_24=0, var_165=0, var_54=1, var_9=0] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_4 = __VERIFIER_nondet_uchar() [L55] input_6 = __VERIFIER_nondet_uchar() [L56] input_7 = __VERIFIER_nondet_uchar() [L57] input_8 = __VERIFIER_nondet_uchar() [L60] SORT_5 var_12_arg_0 = state_10; [L61] SORT_1 var_12 = var_12_arg_0 >> 0; [L62] SORT_1 var_13_arg_0 = var_12; [L63] SORT_1 var_13 = ~var_13_arg_0; [L64] SORT_5 var_14_arg_0 = state_10; [L65] SORT_1 var_14 = var_14_arg_0 >> 1; [L66] SORT_1 var_15_arg_0 = var_13; [L67] SORT_1 var_15_arg_1 = var_14; [L68] SORT_1 var_15 = var_15_arg_0 | var_15_arg_1; [L69] SORT_5 var_16_arg_0 = state_10; [L70] SORT_1 var_16 = var_16_arg_0 >> 2; [L71] SORT_1 var_17_arg_0 = var_16; [L72] SORT_1 var_17 = ~var_17_arg_0; [L73] SORT_1 var_18_arg_0 = var_15; [L74] SORT_1 var_18_arg_1 = var_17; [L75] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L76] SORT_1 var_19_arg_0 = var_14; [L77] SORT_1 var_19 = ~var_19_arg_0; [L78] SORT_1 var_20_arg_0 = var_12; [L79] SORT_1 var_20_arg_1 = var_19; [L80] SORT_1 var_20 = var_20_arg_0 | var_20_arg_1; [L81] SORT_1 var_21_arg_0 = var_20; [L82] SORT_1 var_21_arg_1 = var_16; [L83] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L84] SORT_1 var_22_arg_0 = var_18; [L85] SORT_1 var_22_arg_1 = var_21; [L86] SORT_1 var_22 = var_22_arg_0 & var_22_arg_1; [L87] SORT_1 var_23_arg_0 = var_12; [L88] SORT_1 var_23 = ~var_23_arg_0; [L89] SORT_5 var_26_arg_0 = state_24; [L90] SORT_1 var_26 = var_26_arg_0 >> 0; [L91] SORT_1 var_27_arg_0 = var_23; [L92] SORT_1 var_27_arg_1 = var_26; [L93] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L94] SORT_1 var_28_arg_0 = var_22; [L95] SORT_1 var_28_arg_1 = var_27; [L96] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; [L97] SORT_1 var_29_arg_0 = var_14; [L98] SORT_1 var_29 = ~var_29_arg_0; [L99] SORT_1 var_30_arg_0 = var_29; [L100] SORT_1 var_30_arg_1 = var_26; [L101] SORT_1 var_30 = var_30_arg_0 | var_30_arg_1; [L102] SORT_1 var_31_arg_0 = var_28; [L103] SORT_1 var_31_arg_1 = var_30; [L104] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L105] SORT_1 var_32_arg_0 = var_16; [L106] SORT_1 var_32 = ~var_32_arg_0; [L107] SORT_5 var_33_arg_0 = state_24; [L108] SORT_1 var_33 = var_33_arg_0 >> 1; [L109] SORT_1 var_34_arg_0 = var_32; [L110] SORT_1 var_34_arg_1 = var_33; [L111] SORT_1 var_34 = var_34_arg_0 | var_34_arg_1; [L112] SORT_1 var_35_arg_0 = var_31; [L113] SORT_1 var_35_arg_1 = var_34; [L114] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L115] SORT_1 var_36_arg_0 = var_33; [L116] SORT_1 var_36 = ~var_36_arg_0; [L117] SORT_1 var_37_arg_0 = var_26; [L118] SORT_1 var_37_arg_1 = var_36; [L119] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L120] SORT_1 var_38_arg_0 = var_37; [L121] SORT_1 var_38 = ~var_38_arg_0; [L122] SORT_1 var_39_arg_0 = var_38; [L123] SORT_1 var_39_arg_1 = var_12; [L124] SORT_1 var_39 = var_39_arg_0 | var_39_arg_1; [L125] SORT_1 var_40_arg_0 = var_35; [L126] SORT_1 var_40_arg_1 = var_39; [L127] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L128] SORT_5 var_41_arg_0 = state_24; [L129] SORT_1 var_41 = var_41_arg_0 >> 2; [L130] SORT_1 var_42_arg_0 = var_41; [L131] SORT_1 var_42 = ~var_42_arg_0; [L132] SORT_1 var_43_arg_0 = var_26; [L133] SORT_1 var_43_arg_1 = var_42; [L134] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L135] SORT_1 var_44_arg_0 = var_43; [L136] SORT_1 var_44 = ~var_44_arg_0; [L137] SORT_1 var_45_arg_0 = var_44; [L138] SORT_1 var_45_arg_1 = var_14; [L139] SORT_1 var_45 = var_45_arg_0 | var_45_arg_1; [L140] SORT_1 var_46_arg_0 = var_40; [L141] SORT_1 var_46_arg_1 = var_45; [L142] SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; [L143] SORT_1 var_47_arg_0 = var_41; [L144] SORT_1 var_47 = ~var_47_arg_0; [L145] SORT_1 var_48_arg_0 = var_33; [L146] SORT_1 var_48_arg_1 = var_47; [L147] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L148] SORT_1 var_49_arg_0 = var_48; [L149] SORT_1 var_49 = ~var_49_arg_0; [L150] SORT_1 var_50_arg_0 = var_49; [L151] SORT_1 var_50_arg_1 = var_16; [L152] SORT_1 var_50 = var_50_arg_0 | var_50_arg_1; [L153] SORT_1 var_51_arg_0 = var_46; [L154] SORT_1 var_51_arg_1 = var_50; [L155] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L156] SORT_1 var_55_arg_0 = var_51; [L157] SORT_1 var_55 = ~var_55_arg_0; [L158] SORT_1 var_56_arg_0 = var_54; [L159] SORT_1 var_56_arg_1 = var_55; [L160] SORT_1 var_56 = var_56_arg_0 & var_56_arg_1; [L161] var_56 = var_56 & mask_SORT_1 [L162] SORT_1 bad_57_arg_0 = var_56; [L163] CALL __VERIFIER_assert(!(bad_57_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] 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: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 01:59:53,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/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 64bit --witnessprinter.graph.data.programhash 082c74283cb4e90006a36b616f3f245c79d7cd549b9554e45e092a29b82fdccd --- 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 01:59:56,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:59:56,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:59:56,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:59:56,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:59:56,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:59:56,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:59:56,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:59:56,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:59:56,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:59:56,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:59:56,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:59:56,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:59:56,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:59:56,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:59:56,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:59:56,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:59:56,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:59:56,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:59:56,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:59:56,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:59:56,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:59:56,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:59:56,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:59:56,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:59:56,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:59:56,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:59:56,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:59:56,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:59:56,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:59:56,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:59:56,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:59:56,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:59:56,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:59:56,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:59:56,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:59:56,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:59:56,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:59:56,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:59:56,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:59:56,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:59:56,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 01:59:56,459 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:59:56,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:59:56,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:59:56,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:59:56,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:59:56,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:59:56,466 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:59:56,466 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:59:56,467 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:59:56,467 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:59:56,468 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:59:56,469 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:59:56,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:59:56,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:59:56,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:59:56,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:59:56,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:59:56,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:59:56,472 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:59:56,472 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:59:56,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:59:56,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:59:56,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:59:56,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:59:56,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:59:56,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:59:56,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:56,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:59:56,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:59:56,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:59:56,476 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:59:56,476 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:59:56,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:59:56,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:59:56,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:59:56,477 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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 082c74283cb4e90006a36b616f3f245c79d7cd549b9554e45e092a29b82fdccd [2022-11-03 01:59:56,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:59:56,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:59:56,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:59:56,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:59:56,977 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:59:56,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2022-11-03 01:59:57,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data/892f062f0/c7148aab6c3540c2b23effe1dfb64ac8/FLAG43460f348 [2022-11-03 01:59:57,837 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:59:57,838 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c [2022-11-03 01:59:57,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data/892f062f0/c7148aab6c3540c2b23effe1dfb64ac8/FLAG43460f348 [2022-11-03 01:59:58,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/data/892f062f0/c7148aab6c3540c2b23effe1dfb64ac8 [2022-11-03 01:59:58,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:59:58,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:59:58,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:58,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:59:58,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:59:58,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b498534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58, skipping insertion in model container [2022-11-03 01:59:58,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:59:58,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:59:58,374 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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1107,1120] [2022-11-03 01:59:58,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:59:58,586 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:59:58,599 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_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_ibuf.c[1107,1120] [2022-11-03 01:59:58,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:59:58,769 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:59:58,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58 WrapperNode [2022-11-03 01:59:58,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:58,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:59:58,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:59:58,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:59:58,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,870 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 575 [2022-11-03 01:59:58,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:59:58,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:59:58,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:59:58,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:59:58,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:59:58,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:59:58,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:59:58,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:59:58,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (1/1) ... [2022-11-03 01:59:58,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:58,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:59:58,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:59:59,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:59:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:59:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:59:59,325 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:59:59,328 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:00:00,206 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:00:00,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:00:00,216 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:00:00,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:00:00 BoogieIcfgContainer [2022-11-03 02:00:00,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:00:00,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:00:00,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:00:00,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:00:00,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:59:58" (1/3) ... [2022-11-03 02:00:00,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175dd2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:00:00, skipping insertion in model container [2022-11-03 02:00:00,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:58" (2/3) ... [2022-11-03 02:00:00,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175dd2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:00:00, skipping insertion in model container [2022-11-03 02:00:00,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:00:00" (3/3) ... [2022-11-03 02:00:00,230 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_ibuf.c [2022-11-03 02:00:00,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:00:00,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:00:00,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:00:00,342 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;@571e497c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:00:00,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:00:00,356 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 02:00:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:00:00,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:00,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:00:00,367 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:00,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:00,374 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-03 02:00:00,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:00:00,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255551955] [2022-11-03 02:00:00,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:00,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:00:00,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:00:00,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:00:00,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:00:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:00,701 WARN L261 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 87 conjunts are in the unsatisfiable core [2022-11-03 02:00:00,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:00:01,324 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 02:00:01,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:00:01,325 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:00:01,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255551955] [2022-11-03 02:00:01,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255551955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:01,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:01,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:00:01,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318625465] [2022-11-03 02:00:01,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:01,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:00:01,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:00:01,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:00:01,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:00:01,376 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:00:01,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:01,508 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-03 02:00:01,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:00:01,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 02:00:01,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:01,521 INFO L225 Difference]: With dead ends: 20 [2022-11-03 02:00:01,521 INFO L226 Difference]: Without dead ends: 11 [2022-11-03 02:00:01,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:00:01,529 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:01,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:00:01,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-03 02:00:01,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-03 02:00:01,567 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 02:00:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-03 02:00:01,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-03 02:00:01,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:01,570 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-03 02:00:01,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:00:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-03 02:00:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:00:01,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:01,572 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-03 02:00:01,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:00:01,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:00:01,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:01,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:01,788 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-03 02:00:01,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:00:01,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331551483] [2022-11-03 02:00:01,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:01,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:00:01,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:00:01,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:00:01,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:00:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:02,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 149 conjunts are in the unsatisfiable core [2022-11-03 02:00:02,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:00:03,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:00:03,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:00:09,061 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_43_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_223_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_50_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_1~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_33~0#1|))) (let ((.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_3|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_3|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_26~0#1|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_3|)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse11))))))))))))))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_3|))))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_3|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse8 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse10)))))))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse1 (_ bv1 32)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_3|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_50_arg_1~0#1_3|)))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_223_arg_1~0#1_3|) .cse8))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_41~0#1|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_3|))))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse11))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_3|)))) .cse10))))))))))))))))) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv1 32))))) (.cse2 ((_ zero_extend 24) ((_ extract 7 0) .cse1)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) .cse7)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_3|))))))) .cse3))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv2 32))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_3|) .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse6))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse3))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_0~0#1_3|) .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse3)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 .cse5))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_3|) .cse2))))))))))))))))))))))))))))) (_ bv0 8))) is different from false [2022-11-03 02:00:14,287 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_43_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_223_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_50_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_1~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse11 (_ bv1 32)))))) (let ((.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_3|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse11)) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_3|))))))) .cse0)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse12))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_3|))))))))))))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_3|))))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_3|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse8 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse10)))))))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_223_arg_1~0#1_3|)))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse11 (_ bv2 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_3|))))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse12))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_3|))))))))))))))))))))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv1 32))))) (.cse2 ((_ zero_extend 24) ((_ extract 7 0) .cse7)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) .cse6)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_3|)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv2 32))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_3|)))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse5))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse1)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 .cse1)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_0~0#1_3|)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 .cse2))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_3|) .cse2)))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv1 32)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_50_arg_1~0#1_3|)))))))))))))))))))) (_ bv0 8))) is different from false [2022-11-03 02:00:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-03 02:00:14,374 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:00:14,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331551483] [2022-11-03 02:00:14,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331551483] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:00:14,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1111697469] [2022-11-03 02:00:14,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:14,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:00:14,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:00:14,395 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:00:14,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-03 02:00:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:15,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 149 conjunts are in the unsatisfiable core [2022-11-03 02:00:15,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:00:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:00:15,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:00:21,537 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_43_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_50_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_223_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_1~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse10 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_33~0#1|))) (let ((.cse7 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_5|)))) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_5|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_5|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_5|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_5|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_26~0#1|))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_5|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 .cse10)))))))))))))))) (let ((.cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_5|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse9))) (bvshl .cse11 (_ bv1 32))))))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse0 (_ bv1 32)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_50_arg_1~0#1_3|)))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_5|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_41~0#1|)))))))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_5|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse10)))))))))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_223_arg_1~0#1_5|)))) (_ bv2 32))))))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) .cse0))) (.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse6)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv2 32))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse5))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_0~0#1_3|) .cse3))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 .cse2))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))) .cse1)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_3|) .cse3))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_3|)))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_3|) .cse1)))))) .cse5)))))))))))))))))))) .cse9))) (_ bv0 8))) is different from false [2022-11-03 02:00:26,705 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_43_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_50_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_223_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_5| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_1~0#1_3| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|))) (let ((.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse11 (_ bv1 32)))))) (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_5|)))) (.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse10))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_5|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_5|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse11)) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_5|)))))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_5|) (_ bv1 32)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_5|)))))))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_5|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 .cse0))) (bvshl .cse12 (_ bv1 32))))))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse10))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_5|)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_5|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse11 (_ bv2 32)))))))))) .cse9))) (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_223_arg_1~0#1_5|) .cse12))) (_ bv2 32))))))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv1 32))))) (.cse1 ((_ zero_extend 24) ((_ extract 7 0) .cse7)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_3|) .cse1)))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse6)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv2 32))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_0~0#1_3|) .cse3))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 .cse5))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))) .cse1)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 .cse5))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_3|) .cse3))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_3|))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv1 32)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_50_arg_1~0#1_3|)))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_3|))))))) (_ bv0 8))) is different from false [2022-11-03 02:00:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-11-03 02:00:26,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1111697469] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:00:26,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349642424] [2022-11-03 02:00:26,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:26,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:00:26,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:00:26,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:00:26,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:00:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:27,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 152 conjunts are in the unsatisfiable core [2022-11-03 02:00:27,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:00:27,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:00:27,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:00:33,133 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_43_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_50_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_223_arg_1~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_33~0#1|))) (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_7|)))) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_7|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_7|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse9)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_7|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_7|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_7|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_26~0#1|))))))))))))))))))))))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse10))) (bvshl .cse11 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_7|) (_ bv2 32))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse9))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_7|)))) .cse10)))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_7|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_41~0#1|))))))) .cse10))) (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_223_arg_1~0#1_7|) .cse11))) (_ bv2 32))))))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) .cse7))) (.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) .cse6)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_3|))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv2 32))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse5))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse2))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_3|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_0~0#1_3|)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 .cse3))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_3|)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_3|) .cse1)))))) .cse5)))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv1 32)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_50_arg_1~0#1_3|))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_3|))))))) (_ bv0 8))) is different from false [2022-11-03 02:00:43,101 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_43_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_0~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_50_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_223_arg_1~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_7| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_34_arg_1~0#1_3| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_7| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse12 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|))) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse12 (_ bv1 32)))))) (let ((.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_7|)))) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_7|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse11))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_7|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_7|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_7|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_7|) ((_ zero_extend 24) ((_ extract 7 0) .cse12)))))))) .cse0)))))))))))))))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_7|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse10))) (bvshl .cse8 (_ bv1 32))))))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_223_arg_1~0#1_7|) .cse8))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse11))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_7|))))))) .cse0))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse12 (_ bv2 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_7|))))))) (_ bv1 32))))))))))))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) .cse7))) (.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse6)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv2 32))))))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_1~0#1_3|) .cse1))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse5))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 .cse3))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 .cse4)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_0~0#1_3|) .cse1)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))) .cse3)))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_3|)))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_3|) .cse3)))))) .cse5)))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_3|) ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv1 32)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_50_arg_1~0#1_3|)))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_3|))))))) (_ bv0 8))) is different from false [2022-11-03 02:00:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-03 02:00:43,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349642424] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:00:43,137 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 02:00:43,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 7, 7] total 16 [2022-11-03 02:00:43,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687696147] [2022-11-03 02:00:43,138 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 02:00:43,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-03 02:00:43,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:00:43,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-03 02:00:43,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=74, Unknown=6, NotChecked=126, Total=240 [2022-11-03 02:00:43,141 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:00:53,470 WARN L234 SmtUtils]: Spent 8.48s on a formula simplification. DAG size of input: 427 DAG size of output: 22 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:01:05,346 WARN L234 SmtUtils]: Spent 10.77s on a formula simplification. DAG size of input: 614 DAG size of output: 19 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:01:05,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:05,526 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-03 02:01:05,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:01:05,527 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-03 02:01:05,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:05,528 INFO L225 Difference]: With dead ends: 16 [2022-11-03 02:01:05,528 INFO L226 Difference]: Without dead ends: 14 [2022-11-03 02:01:05,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 58.2s TimeCoverageRelationStatistics Valid=58, Invalid=116, Unknown=6, NotChecked=162, Total=342 [2022-11-03 02:01:05,530 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:05,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 47 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 37 Unchecked, 0.1s Time] [2022-11-03 02:01:05,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-03 02:01:05,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-03 02:01:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 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 02:01:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-03 02:01:05,535 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-03 02:01:05,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:05,536 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-03 02:01:05,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:01:05,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-03 02:01:05,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:01:05,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:05,537 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-03 02:01:05,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-11-03 02:01:05,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:01:05,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:01:06,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:01:06,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:06,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:06,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-03 02:01:06,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:01:06,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137199344] [2022-11-03 02:01:06,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-03 02:01:06,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:01:06,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:01:06,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:01:06,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 02:01:06,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-03 02:01:06,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:01:06,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 191 conjunts are in the unsatisfiable core [2022-11-03 02:01:06,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:01:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:07,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:01:38,640 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_155_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_156_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_228_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_9| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse12 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_10|)))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_228_arg_0~0#1_9|))))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse13))) (bvshl .cse10 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_9|) (_ bv2 32)))))) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse15 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_26~0#1|))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_10|) .cse15))))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_10|) (_ bv1 32))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_33~0#1|)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_10|)))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_11|)))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_10|) .cse15))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_10|))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_10|) (_ bv1 32))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_41~0#1|))))))))))))))) (_ bv2 32)))))))) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse14 (_ bv2 32))))))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_9|) .cse11)))))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_9|) .cse11)))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse14 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_9|))))))))))))))))))))))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse8 (_ bv2 32))))) (.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse9))) (.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse8 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) .cse8)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse1))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse7))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse5))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_12|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse5)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse7))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_1~0#1_12|))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse4)))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_12|) .cse4))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_12|) .cse4)))))) .cse7))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_12|))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_12|))))))))) is different from false [2022-11-03 02:01:54,562 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_155_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_156_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_228_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_9| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse10 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_10|)))) (.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_228_arg_0~0#1_9|)))) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse16 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) .cse16)))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse15 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_10|)))))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_10|) (_ bv1 32))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse16 (_ bv1 32)))))))))))))))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_11|)))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse16 (_ bv2 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_10|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_10|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_10|) .cse15)))))))))))))))))))) (_ bv2 32))))))))) (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse14 (_ bv2 32))))))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_9|) .cse13))) .cse11))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_9|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse14 (_ bv1 32)))))))))) .cse11)))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_9|) .cse13)))))) (_ bv2 32)))))))) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 .cse11))) (bvshl .cse12 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_9|) (_ bv2 32))))))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse8 (_ bv1 32))))) (.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv2 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) .cse8))) (.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) ((_ extract 7 0) .cse7)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_12|) .cse1))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse3)))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse6))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse0))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse1))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse6))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_1~0#1_12|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_12|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse0 .cse4)))))))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_12|) .cse1)))))) .cse6))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_12|))))))) .cse3)))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_12|)))) .cse10))) (_ bv0 8))) is different from false [2022-11-03 02:01:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2022-11-03 02:01:54,607 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:01:54,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137199344] [2022-11-03 02:01:54,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137199344] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:01:54,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [173626264] [2022-11-03 02:01:54,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-03 02:01:54,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:01:54,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:01:54,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:01:54,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-03 02:01:55,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-03 02:01:55,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:01:55,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 198 conjunts are in the unsatisfiable core [2022-11-03 02:01:55,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:01:56,311 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:01:56,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:02:51,221 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_156_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_155_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_178_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_192_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_178_arg_0~0#1_12|)))) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_192_arg_0~0#1_12|)))) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse16 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_26~0#1|))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_15|))) .cse0))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_33~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_13|) .cse16))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_13|))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_13|) (_ bv1 32))))))))))))) (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_41~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_13|) .cse16))))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_13|) (_ bv1 32)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_13|)))))) (_ bv2 32)))))))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse14 (_ bv2 32))))))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse14 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_12|)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse15 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_12|))))))) (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_12|) .cse15)))))) (_ bv2 32)))))))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_12|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 .cse0))) (bvshl .cse13 (_ bv1 32))))))))))))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse10 (_ bv1 32))))) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv2 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) .cse10))) (.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_16|) .cse2))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse9)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse3))) .cse2)))))) .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse8))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse1))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse1)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse4))) .cse8)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse2))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse6))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_16|) .cse3)))))) .cse8)))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_16|))))))) (_ bv0 8))) is different from false [2022-11-03 02:03:13,243 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_156_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_155_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_178_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_192_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse13 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_178_arg_0~0#1_12|)))) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_192_arg_0~0#1_12|))))) (let ((.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_12|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 .cse0))) (bvshl .cse11 (_ bv1 32)))))))))))) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse17 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) .cse17)))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_13|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_13|))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse17 (_ bv2 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_13|)))))))))))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_15|))) .cse0))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_13|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_13|))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse17 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_13|)))))))))))) (_ bv1 32))))))))))))))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv2 32))))))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_12|) .cse12)))))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse12 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_12|))))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_12|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv1 32))))))))))))))))))))))))))))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv2 32))))) (.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse10 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_16|) .cse2))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv1 32))))) (.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse10)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_16|) .cse4))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) .cse9)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse1))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 .cse5))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse3))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse8))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse7)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse8))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse4))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2))) .cse4)))))) .cse8)))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_16|))))))) (_ bv0 8))) is different from false [2022-11-03 02:03:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2022-11-03 02:03:13,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [173626264] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:03:13,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331429988] [2022-11-03 02:03:13,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-03 02:03:13,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:03:13,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:03:13,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:03:13,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 02:03:13,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-03 02:03:13,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:03:13,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 202 conjunts are in the unsatisfiable core [2022-11-03 02:03:13,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:03:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:03:18,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:04:31,660 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_56_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_155_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_156_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_178_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_178_arg_0~0#1_15|)))) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_1~0#1_15|) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_16|))))))) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse16 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_26~0#1|))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_16|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_16|) .cse16))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_16|)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_41~0#1|)))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_16|)))))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_33~0#1|))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_16|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_16|) .cse16))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_16|))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_17|)))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_19|)))))))))))))))))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv2 32))))))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse14 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_15|)))) .cse12))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_15|)))) .cse12))) .cse0))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_15|) .cse14))) .cse13))) (_ bv2 32)))))))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse12))) (bvshl .cse13 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_15|) (_ bv2 32))))))) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse10 (_ bv1 32))))) (.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv2 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) .cse10))) (.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_16|))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) .cse9)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))) .cse1))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse7))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse3))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 .cse6))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse8 .cse3)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse2))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 .cse8))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_16|) .cse4)))))) .cse7)))))))))))))))))) (_ bv0 8))) is different from false [2022-11-03 02:05:18,667 WARN L234 SmtUtils]: Spent 23.80s on a formula simplification that was a NOOP. DAG size: 298 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:05:41,900 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~var_56_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_155_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_156_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_178_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_1~0#1_15|) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_16|))))))) (.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_178_arg_0~0#1_15|)))) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse17 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) .cse17)))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_16|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_16|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_16|)))) .cse0)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse17 (_ bv1 32)))))))))))))))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_19|)))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse17 (_ bv2 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_16|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_16|) .cse16))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_16|))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_16|) (_ bv1 32)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_16|)))))) (_ bv2 32))))))))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv2 32))))))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_15|) .cse14))) .cse13))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_15|)))) .cse12)))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse14 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_15|)))) .cse12))) (_ bv1 32)))))))))))))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse12))) (bvshl .cse13 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_15|) (_ bv2 32))))))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse10 (_ bv1 32))))) (.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv2 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_16|) .cse1)))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) .cse10))) (.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse9)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse1))) .cse3)))))) .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 .cse5))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse7))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse7))) .cse5))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse8 .cse4))) .cse2)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse3))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse8))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_16|))))))) .cse7)))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_16|))))))) (_ bv0 8))) is different from false [2022-11-03 02:05:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2022-11-03 02:05:41,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331429988] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:05:41,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 02:05:41,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 9, 9] total 26 [2022-11-03 02:05:41,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521119089] [2022-11-03 02:05:41,940 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 02:05:41,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-03 02:05:41,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:05:41,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-03 02:05:41,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=296, Unknown=31, NotChecked=246, Total=650 [2022-11-03 02:05:41,942 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 26 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:05:46,665 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse46 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|))) (let ((.cse13 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse46 (_ bv1 32)))))))) (.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse46 (_ bv2 32)))))))) (.cse16 ((_ zero_extend 24) ((_ extract 7 0) .cse46)))) (and (forall ((|v_ULTIMATE.start_main_~var_156_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_155_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_178_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_192_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_178_arg_0~0#1_12|)))) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_192_arg_0~0#1_12|))))) (let ((.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_12|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 .cse0))) (bvshl .cse11 (_ bv1 32)))))))))))) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_13|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_13|))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_13|)))))))))))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_15|))) .cse0))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_13|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_13|))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse18 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_13|)))))))))))) (_ bv1 32))))))))))))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv2 32))))))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_12|) .cse12)))))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse12 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_12|))))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_12|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv1 32))))))))))))))))))))))))))))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv2 32))))) (.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse10 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_16|) .cse2))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv1 32))))) (.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse10)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_16|) .cse4))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) .cse9)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse1))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse2 .cse5))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse3))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse8))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse7)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse8))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse4))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2))) .cse4)))))) .cse8)))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_16|)))))) (_ bv0 8))) (= |c_ULTIMATE.start_main_~mask_SORT_3~0#1| (_ bv3 8)) (forall ((|v_ULTIMATE.start_main_~var_155_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_156_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_228_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_9| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_10|)))) (.cse29 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_228_arg_0~0#1_9|))))) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_10|)))))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_10|) (_ bv1 32))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_10|) .cse18))))))))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_11|)))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_10|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_10|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_10|) .cse16)))))))))))))))))))) (_ bv2 32))))))) (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse31 (_ bv2 32))))))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_9|) .cse30))) .cse28))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_9|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse31 (_ bv1 32)))))))))) .cse28)))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_9|) .cse30)))))) (_ bv2 32)))))))) (.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse28))) (bvshl .cse29 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_9|) (_ bv2 32))))))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse27 (_ bv1 32))))) (.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse26 (_ bv2 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) .cse27))) (.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse26 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) .cse26)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_12|) .cse20))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse22)))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse25))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse20 .cse23))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse19))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 .cse20))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 .cse25))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_1~0#1_12|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_12|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse19 .cse23)))))))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_12|) .cse20)))))) .cse25))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse21 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_12|))))))) .cse22)))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_12|)))) .cse0)) (_ bv0 8))) (forall ((|v_ULTIMATE.start_main_~var_56_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_155_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_156_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_178_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse43 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_1~0#1_15|) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_16|))))))) (.cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_178_arg_0~0#1_15|))))) (let ((.cse40 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_17|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_16|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse16 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_16|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_16|)))) .cse0)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_16|) .cse18))))))))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_19|)))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse17 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_16|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_16|) .cse16))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_16|))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_16|) (_ bv1 32)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_16|)))))) (_ bv2 32))))))) (let ((.cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse45 (_ bv2 32))))))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_15|) .cse44))) .cse43))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse45 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_15|)))) .cse42)))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse44 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_15|)))) .cse42))) (_ bv1 32)))))))))))))) (.cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse42))) (bvshl .cse43 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_15|) (_ bv2 32))))))) (let ((.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv1 32))))) (.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse40 (_ bv2 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_16|) .cse32)))))) .cse33))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse34 ((_ zero_extend 24) ((_ extract 7 0) .cse41))) (.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse40 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) .cse40)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse32))) .cse34)))))) .cse35))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse33))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse32 .cse36))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse39 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse38))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse35))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse37 .cse38))) .cse36))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse39 .cse35))) .cse33)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse37 .cse34))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse34 .cse39))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse34 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_16|))))))) .cse38)))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_16|)))))) (_ bv0 8))) (= |c_ULTIMATE.start_main_~state_24~0#1| (_ bv0 8)) (= (_ bv1 8) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)))) is different from false [2022-11-03 02:05:49,710 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_33~0#1|))))) (.cse17 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_26~0#1|)) (.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_41~0#1|))))) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (and (= |c_ULTIMATE.start_main_~mask_SORT_3~0#1| (_ bv3 8)) (= |c_ULTIMATE.start_main_~var_26~0#1| (_ bv0 8)) (= (_ bv1 8) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|) (forall ((|v_ULTIMATE.start_main_~var_156_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_155_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_178_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_192_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_178_arg_0~0#1_12|)))) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_192_arg_0~0#1_12|))))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_15|))) .cse0))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_13|) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_13|) .cse17))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_13|))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_13|) (_ bv1 32))))))))))))) (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_13|) .cse18))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_13|) .cse17))))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_13|) (_ bv1 32)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_13|)))))) (_ bv2 32))))))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse14 (_ bv2 32))))))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse14 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_12|)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse15 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_12|))))))) (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_12|) .cse15)))))) (_ bv2 32)))))))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_12|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse12 .cse0))) (bvshl .cse13 (_ bv1 32))))))))))))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse10 (_ bv1 32))))) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv2 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) .cse10))) (.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_16|) .cse2))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) .cse9)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse3))) .cse2)))))) .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse8))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse1))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse1)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse4))) .cse8)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse2))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse6))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_16|) .cse3)))))) .cse8)))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_16|)))))) (_ bv0 8))) (= |c_ULTIMATE.start_main_~var_33~0#1| (_ bv0 8)) (forall ((|v_ULTIMATE.start_main_~var_155_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_156_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_228_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_9| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse30 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_10|)))) (.cse28 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_228_arg_0~0#1_9|))))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse30))) (bvshl .cse28 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_9|) (_ bv2 32)))))) (.cse26 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_10|) .cse17))))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_10|) (_ bv1 32))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_10|) .cse16)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_10|)))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_11|)))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_10|) .cse17))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_10|))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_10|) (_ bv1 32))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_10|) .cse18))))))))))) (_ bv2 32))))))) (let ((.cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse31 (_ bv2 32))))))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_9|) .cse29)))))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_9|) .cse29)))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse31 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_9|))))))))))))))))))))))) (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse26 (_ bv2 32))))) (.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse27 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) .cse27))) (.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse26 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) .cse26)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse19))) .cse20))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse25))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse21 .cse22))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse23))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_12|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse21 .cse23)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 .cse25))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_1~0#1_12|))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 .cse22)))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_12|) .cse22))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_12|) .cse22)))))) .cse25))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse20 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_12|))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_12|)))))))) (or (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (= |c_ULTIMATE.start_main_~var_41~0#1| (_ bv0 8))))) is different from false [2022-11-03 02:05:53,994 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_33~0#1|))))) (.cse16 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_26~0#1|)) (.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_41~0#1|))))) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_3~0#1|))) (and (forall ((|v_ULTIMATE.start_main_~var_56_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_19| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_155_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_17| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_156_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_1~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_178_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_16|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_178_arg_0~0#1_15|)))) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_1~0#1_15|) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_16|)))))))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_16|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_16|) .cse16))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_16|)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_16|) .cse17)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_16|)))))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_16|) .cse18))) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_16|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_16|) .cse16))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_16|))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_17|)))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_19|))))))))))))))))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv2 32))))))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse14 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_15|)))) .cse12))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_15|)))) .cse12))) .cse0))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_15|) .cse14))) .cse13))) (_ bv2 32)))))))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse12))) (bvshl .cse13 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_15|) (_ bv2 32))))))) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse10 (_ bv1 32))))) (.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv2 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) .cse10))) (.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse9 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_16|))))))) .cse2))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) .cse9)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))) .cse1))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse7))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse3))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 .cse6))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse8 .cse3)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse2))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse1 .cse8))))))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_16|) .cse4)))))) .cse7))))))))))))))))) (_ bv0 8))) (= |c_ULTIMATE.start_main_~mask_SORT_3~0#1| (_ bv3 8)) (= |c_ULTIMATE.start_main_~var_26~0#1| (_ bv0 8)) (= (_ bv1 8) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|) (forall ((|v_ULTIMATE.start_main_~var_156_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_15| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_155_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_16| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_178_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_192_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_16| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse29 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_178_arg_0~0#1_12|)))) (.cse30 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_192_arg_0~0#1_12|))))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_15|))) .cse0))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_13|) .cse18))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_13|) .cse16))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_13|))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_13|) (_ bv1 32))))))))))))) (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_13|) .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_13|) .cse16))))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_13|) (_ bv1 32)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_13|)))))) (_ bv2 32))))))) (let ((.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse31 (_ bv2 32))))))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse31 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_12|)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse32 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_12|))))))) (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_12|) .cse32)))))) (_ bv2 32)))))))) (.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_12|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse29 .cse0))) (bvshl .cse30 (_ bv1 32))))))))))))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse28 (_ bv1 32))))) (.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse27 (_ bv2 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) .cse28))) (.cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse27 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_16|) .cse20))))))))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) .cse27)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse21))) .cse20)))))) .cse22))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse26))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse19))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse22))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 .cse20))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse23 .cse19)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse25 .cse22))) .cse26)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse25 .cse20))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse21 .cse24))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_16|) .cse21)))))) .cse26)))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_16|)))))) (_ bv0 8))) (= |c_ULTIMATE.start_main_~var_33~0#1| (_ bv0 8)) (forall ((|v_ULTIMATE.start_main_~var_155_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_156_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_227_arg_0~0#1_11| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_18_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_21_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_231_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_144_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_189_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_222_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_48_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_212_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_205_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_145_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_56_arg_0~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_43_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_37_arg_1~0#1_12| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_203_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_188_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_202_arg_1~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_228_arg_0~0#1_9| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_191_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_217_arg_0~0#1_9| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse44 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_10|)))) (.cse42 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_228_arg_0~0#1_9|))))) (let ((.cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 .cse44))) (bvshl .cse42 (_ bv1 32)))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_231_arg_0~0#1_9|) (_ bv2 32)))))) (.cse40 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_145_arg_1~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_144_arg_0~0#1_10|) .cse16))))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_189_arg_0~0#1_10|) (_ bv1 32))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_188_arg_1~0#1_10|) .cse18)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_191_arg_0~0#1_10|)))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_227_arg_0~0#1_11|)))))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_205_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_155_arg_0~0#1_10|) .cse16))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_156_arg_1~0#1_10|))))))) (bvshl ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_203_arg_0~0#1_10|) (_ bv1 32))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_202_arg_1~0#1_10|) .cse17))))))))))) (_ bv2 32))))))) (let ((.cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse45 (_ bv2 32))))))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_222_arg_0~0#1_9|) .cse43)))))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_217_arg_0~0#1_9|) .cse43)))))) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse45 (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_212_arg_0~0#1_9|))))))))))))))))))))))) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse40 (_ bv2 32))))) (.cse34 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse36 ((_ zero_extend 24) ((_ extract 7 0) .cse41))) (.cse39 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse40 (_ bv1 32)))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse37 ((_ zero_extend 24) ((_ extract 7 0) .cse40)))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse33))) .cse34))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse39))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse35 .cse36))) ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse37))))) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_1~0#1_12|) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse35 .cse37)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse38 .cse39))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_18_arg_1~0#1_12|))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse38 .cse36)))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_37_arg_1~0#1_12|) .cse36))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_43_arg_1~0#1_12|) .cse36)))))) .cse39))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse34 ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_48_arg_1~0#1_12|))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_56_arg_0~0#1_12|)))))))) (= |c_ULTIMATE.start_main_~var_41~0#1| (_ bv0 8))))) is different from false [2022-11-03 02:06:02,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:02,262 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-03 02:06:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:06:02,263 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 02:06:02,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:02,264 INFO L225 Difference]: With dead ends: 19 [2022-11-03 02:06:02,264 INFO L226 Difference]: Without dead ends: 17 [2022-11-03 02:06:02,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 290.8s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=36, NotChecked=414, Total=870 [2022-11-03 02:06:02,267 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 85 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:02,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 68 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 85 Unchecked, 0.0s Time] [2022-11-03 02:06:02,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-03 02:06:02,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-03 02:06:02,276 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 02:06:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-03 02:06:02,277 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-03 02:06:02,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:02,278 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-03 02:06:02,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:06:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-03 02:06:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 02:06:02,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:02,279 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-03 02:06:02,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:02,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:02,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:06:02,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:06:02,904 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:06:02,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:02,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-03 02:06:02,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:06:02,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957307160] [2022-11-03 02:06:02,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:06:02,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:06:02,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:06:02,907 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:06:02,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 02:06:03,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 02:06:03,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:06:03,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 222 conjunts are in the unsatisfiable core [2022-11-03 02:06:03,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:04,309 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 02:06:04,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:06:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 02:06:37,209 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:06:37,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957307160] [2022-11-03 02:06:37,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957307160] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:06:37,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2011309632] [2022-11-03 02:06:37,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:06:37,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:06:37,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:06:37,213 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:06:37,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-11-03 02:06:38,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 02:06:38,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:06:38,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 222 conjunts are in the unsatisfiable core [2022-11-03 02:06:38,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:06:38,717 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 02:06:38,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:07:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 02:07:14,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2011309632] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:07:14,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270722300] [2022-11-03 02:07:14,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:07:14,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:07:14,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:07:14,056 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:07:14,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-03 02:07:14,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 02:07:14,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:07:14,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 223 conjunts are in the unsatisfiable core [2022-11-03 02:07:14,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:07:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 02:07:19,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:08:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 02:08:35,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270722300] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:08:35,100 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 02:08:35,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7, 7] total 17 [2022-11-03 02:08:35,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095982771] [2022-11-03 02:08:35,101 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 02:08:35,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-03 02:08:35,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:08:35,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-03 02:08:35,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=198, Unknown=29, NotChecked=0, Total=272 [2022-11-03 02:08:35,103 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 17 states, 17 states have (on average 2.0) internal successors, (34), 17 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:08:44,099 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-03 02:08:44,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:08:44,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 60 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 147.2s TimeCoverageRelationStatistics Valid=65, Invalid=248, Unknown=29, NotChecked=0, Total=342 [2022-11-03 02:08:44,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-11-03 02:08:44,101 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:44,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2022-11-03 02:08:44,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:08:44,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:08:44,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:08:44,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:08:44,704 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:894) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:768) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:353) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 48 more [2022-11-03 02:08:44,707 INFO L158 Benchmark]: Toolchain (without parser) took 526614.78ms. Allocated memory was 73.4MB in the beginning and 270.5MB in the end (delta: 197.1MB). Free memory was 53.2MB in the beginning and 102.4MB in the end (delta: -49.2MB). Peak memory consumption was 146.6MB. Max. memory is 16.1GB. [2022-11-03 02:08:44,707 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:08:44,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.32ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 43.8MB in the end (delta: 9.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:08:44,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.21ms. Allocated memory is still 73.4MB. Free memory was 43.8MB in the beginning and 39.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:08:44,708 INFO L158 Benchmark]: Boogie Preprocessor took 64.40ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 35.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:08:44,709 INFO L158 Benchmark]: RCFGBuilder took 1282.41ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 35.7MB in the beginning and 62.9MB in the end (delta: -27.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-11-03 02:08:44,709 INFO L158 Benchmark]: TraceAbstraction took 524485.30ms. Allocated memory was 94.4MB in the beginning and 270.5MB in the end (delta: 176.2MB). Free memory was 62.4MB in the beginning and 102.4MB in the end (delta: -40.0MB). Peak memory consumption was 135.1MB. Max. memory is 16.1GB. [2022-11-03 02:08:44,711 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 73.4MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.32ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 43.8MB in the end (delta: 9.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.21ms. Allocated memory is still 73.4MB. Free memory was 43.8MB in the beginning and 39.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.40ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 35.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1282.41ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 35.7MB in the beginning and 62.9MB in the end (delta: -27.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 524485.30ms. Allocated memory was 94.4MB in the beginning and 270.5MB in the end (delta: 176.2MB). Free memory was 62.4MB in the beginning and 102.4MB in the end (delta: -40.0MB). Peak memory consumption was 135.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6b2bcb-eaf0-4a5a-8300-853e5c7bd55d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")