./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba --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 738adda5587cc7db42a737880eb85db50323715a835f90df26e4ddab159c3369 --- 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-b5237d8 [2022-11-22 01:59:04,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:59:04,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:59:04,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:59:04,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:59:04,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:59:04,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:59:04,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:59:04,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:59:04,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:59:04,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:59:04,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:59:04,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:59:04,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:59:04,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:59:04,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:59:04,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:59:04,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:59:04,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:59:04,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:59:04,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:59:04,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:59:04,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:59:04,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:59:04,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:59:04,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:59:04,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:59:04,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:59:04,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:59:04,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:59:04,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:59:04,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:59:04,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:59:04,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:59:04,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:59:04,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:59:04,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:59:04,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:59:04,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:59:04,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:59:04,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:59:04,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:59:04,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:59:04,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:59:04,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:59:04,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:59:04,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:59:04,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:59:04,297 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:59:04,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:59:04,298 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:59:04,298 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:59:04,299 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:59:04,299 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:59:04,300 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:59:04,300 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:59:04,300 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:59:04,300 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:59:04,301 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:59:04,301 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:59:04,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:59:04,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:59:04,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:59:04,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:59:04,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:59:04,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:59:04,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:59:04,304 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:59:04,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:59:04,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:59:04,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:59:04,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:59:04,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:59:04,305 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:59:04,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:59:04,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:59:04,306 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:59:04,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:59:04,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:59:04,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:59:04,307 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_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 738adda5587cc7db42a737880eb85db50323715a835f90df26e4ddab159c3369 [2022-11-22 01:59:04,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:59:04,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:59:04,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:59:04,669 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:59:04,670 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:59:04,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-11-22 01:59:07,740 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:59:08,083 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:59:08,084 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-11-22 01:59:08,095 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/data/4ff50260b/ad9cb310c0bb47beaea78db134d1e1bb/FLAG5d9e39b82 [2022-11-22 01:59:08,109 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/data/4ff50260b/ad9cb310c0bb47beaea78db134d1e1bb [2022-11-22 01:59:08,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:59:08,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:59:08,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:59:08,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:59:08,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:59:08,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:08,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad9e849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08, skipping insertion in model container [2022-11-22 01:59:08,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:08,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:59:08,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:59:08,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-22 01:59:08,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:59:08,679 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:59:08,692 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-11-22 01:59:08,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:59:08,854 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:59:08,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08 WrapperNode [2022-11-22 01:59:08,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:59:08,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:59:08,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:59:08,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:59:08,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:08,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,010 INFO L138 Inliner]: procedures = 15, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 927 [2022-11-22 01:59:09,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:59:09,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:59:09,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:59:09,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:59:09,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,086 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:59:09,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:59:09,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:59:09,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:59:09,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (1/1) ... [2022-11-22 01:59:09,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:59:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:59:09,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:59:09,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:59:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:59:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:59:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:59:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:59:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:59:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:59:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:59:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:59:09,652 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:59:09,654 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:59:13,451 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:59:13,618 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:59:13,618 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-22 01:59:13,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:59:13 BoogieIcfgContainer [2022-11-22 01:59:13,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:59:13,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:59:13,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:59:13,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:59:13,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:59:08" (1/3) ... [2022-11-22 01:59:13,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e90f11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:59:13, skipping insertion in model container [2022-11-22 01:59:13,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:59:08" (2/3) ... [2022-11-22 01:59:13,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e90f11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:59:13, skipping insertion in model container [2022-11-22 01:59:13,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:59:13" (3/3) ... [2022-11-22 01:59:13,635 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2022-11-22 01:59:13,658 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:59:13,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:59:13,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:59:13,737 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;@5ddf1230, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:59:13,738 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:59:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:59:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-22 01:59:13,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:13,752 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:59:13,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:59:13,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:13,758 INFO L85 PathProgramCache]: Analyzing trace with hash -953116364, now seen corresponding path program 1 times [2022-11-22 01:59:13,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:13,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873579051] [2022-11-22 01:59:13,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:59:14,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:14,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873579051] [2022-11-22 01:59:14,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873579051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:59:14,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:59:14,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:59:14,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728162212] [2022-11-22 01:59:14,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:14,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:59:14,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:14,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:59:14,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:59:14,944 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:59:17,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:59:17,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:17,304 INFO L93 Difference]: Finished difference Result 48 states and 71 transitions. [2022-11-22 01:59:17,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:59:17,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 26 [2022-11-22 01:59:17,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:17,316 INFO L225 Difference]: With dead ends: 48 [2022-11-22 01:59:17,316 INFO L226 Difference]: Without dead ends: 25 [2022-11-22 01:59:17,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:59:17,327 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:17,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-22 01:59:17,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-22 01:59:17,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-22 01:59:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:59:17,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2022-11-22 01:59:17,367 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 26 [2022-11-22 01:59:17,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:17,367 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2022-11-22 01:59:17,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:59:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-11-22 01:59:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 01:59:17,369 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:17,370 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:59:17,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:59:17,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:59:17,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:17,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1717820294, now seen corresponding path program 1 times [2022-11-22 01:59:17,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:17,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844232598] [2022-11-22 01:59:17,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:17,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:17,962 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:59:17,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:17,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844232598] [2022-11-22 01:59:17,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844232598] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:59:17,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820293235] [2022-11-22 01:59:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:17,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:17,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:59:17,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:59:17,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:59:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:18,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:59:18,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:59:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 01:59:18,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:59:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:59:18,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820293235] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:59:18,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:59:18,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 6 [2022-11-22 01:59:18,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946783497] [2022-11-22 01:59:18,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:18,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:59:18,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:18,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:59:18,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:59:18,629 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:59:20,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:59:20,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:20,725 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2022-11-22 01:59:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:59:20,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 27 [2022-11-22 01:59:20,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:20,727 INFO L225 Difference]: With dead ends: 47 [2022-11-22 01:59:20,727 INFO L226 Difference]: Without dead ends: 26 [2022-11-22 01:59:20,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:59:20,729 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:20,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:59:20,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-22 01:59:20,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-22 01:59:20,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:59:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2022-11-22 01:59:20,737 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 27 [2022-11-22 01:59:20,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:20,738 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-11-22 01:59:20,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:59:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-11-22 01:59:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-22 01:59:20,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:20,740 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:59:20,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:59:20,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:20,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:59:20,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:20,951 INFO L85 PathProgramCache]: Analyzing trace with hash -104920270, now seen corresponding path program 1 times [2022-11-22 01:59:20,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:20,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354464649] [2022-11-22 01:59:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:20,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:59:21,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:21,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354464649] [2022-11-22 01:59:21,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354464649] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:59:21,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588005323] [2022-11-22 01:59:21,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:21,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:21,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:59:21,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:59:21,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:59:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:22,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-22 01:59:22,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:59:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:59:22,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:59:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:59:22,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588005323] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:59:22,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [75855831] [2022-11-22 01:59:22,623 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-22 01:59:22,623 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:59:22,633 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:59:22,641 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:59:22,642 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:59:22,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:59:22,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 01:59:22,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-22 01:59:23,075 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-22 01:59:23,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-22 01:59:23,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 01:59:23,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:59:23,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:59:23,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-22 01:59:24,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 01:59:24,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 01:59:28,884 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-11-22 01:59:28,908 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:59:42,314 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '590#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-22 01:59:42,315 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:59:42,315 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:59:42,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 8 [2022-11-22 01:59:42,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41360363] [2022-11-22 01:59:42,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:59:42,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:59:42,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:42,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:59:42,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2022-11-22 01:59:42,318 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:59:44,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:59:44,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:44,624 INFO L93 Difference]: Finished difference Result 52 states and 74 transitions. [2022-11-22 01:59:44,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:59:44,625 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 28 [2022-11-22 01:59:44,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:44,625 INFO L225 Difference]: With dead ends: 52 [2022-11-22 01:59:44,626 INFO L226 Difference]: Without dead ends: 29 [2022-11-22 01:59:44,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2022-11-22 01:59:44,628 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:44,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-22 01:59:44,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-22 01:59:44,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-22 01:59:44,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:59:44,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2022-11-22 01:59:44,635 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 28 [2022-11-22 01:59:44,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:44,635 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2022-11-22 01:59:44,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 01:59:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-11-22 01:59:44,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-22 01:59:44,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:44,638 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:59:44,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:59:44,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:44,853 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:59:44,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:44,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1535348420, now seen corresponding path program 2 times [2022-11-22 01:59:44,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:44,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904180547] [2022-11-22 01:59:44,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:44,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-22 01:59:45,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:45,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904180547] [2022-11-22 01:59:45,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904180547] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:59:45,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213441646] [2022-11-22 01:59:45,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:59:45,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:45,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:59:45,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:59:45,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:59:46,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-22 01:59:46,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:59:46,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-22 01:59:46,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:59:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-22 01:59:47,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:59:47,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213441646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:59:47,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:59:47,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-22 01:59:47,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61091301] [2022-11-22 01:59:47,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:47,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:59:47,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:47,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:59:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:59:47,927 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:59:50,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:50,297 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2022-11-22 01:59:50,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:59:50,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 31 [2022-11-22 01:59:50,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:50,299 INFO L225 Difference]: With dead ends: 59 [2022-11-22 01:59:50,300 INFO L226 Difference]: Without dead ends: 57 [2022-11-22 01:59:50,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:59:50,301 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 66 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:50,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 71 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-22 01:59:50,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-22 01:59:50,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2022-11-22 01:59:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:59:50,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2022-11-22 01:59:50,316 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 31 [2022-11-22 01:59:50,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:50,317 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2022-11-22 01:59:50,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-22 01:59:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-11-22 01:59:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-22 01:59:50,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:50,319 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:59:50,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:59:50,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:50,528 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:59:50,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1505121219, now seen corresponding path program 1 times [2022-11-22 01:59:50,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:50,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41388291] [2022-11-22 01:59:50,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:50,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-22 01:59:51,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:51,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41388291] [2022-11-22 01:59:51,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41388291] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:59:51,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66237239] [2022-11-22 01:59:51,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:51,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:51,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:59:51,999 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:59:52,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:59:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:52,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:59:52,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:59:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-22 01:59:52,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:59:52,940 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-22 01:59:52,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66237239] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:59:52,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:59:52,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-22 01:59:52,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974042482] [2022-11-22 01:59:52,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:52,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:59:52,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:52,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:59:52,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:59:52,945 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:59:55,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:59:55,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:55,044 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2022-11-22 01:59:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:59:55,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 58 [2022-11-22 01:59:55,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:55,046 INFO L225 Difference]: With dead ends: 63 [2022-11-22 01:59:55,046 INFO L226 Difference]: Without dead ends: 42 [2022-11-22 01:59:55,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:59:55,048 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:55,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:59:55,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-22 01:59:55,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-22 01:59:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:59:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2022-11-22 01:59:55,060 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 58 [2022-11-22 01:59:55,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:55,060 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2022-11-22 01:59:55,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:59:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-11-22 01:59:55,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-22 01:59:55,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:55,063 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:59:55,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:59:55,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:55,269 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:59:55,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:55,269 INFO L85 PathProgramCache]: Analyzing trace with hash -552639346, now seen corresponding path program 1 times [2022-11-22 01:59:55,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:55,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588850713] [2022-11-22 01:59:55,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:55,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:59:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-22 01:59:56,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:59:56,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588850713] [2022-11-22 01:59:56,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588850713] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:59:56,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616101572] [2022-11-22 01:59:56,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:56,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:59:56,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:59:56,649 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:59:56,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:59:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:59:57,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:59:57,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:59:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-22 01:59:57,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:59:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-22 01:59:57,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616101572] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:59:57,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:59:57,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-22 01:59:57,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833917833] [2022-11-22 01:59:57,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:59:57,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:59:57,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:59:57,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:59:57,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:59:57,608 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:59:59,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:59:59,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:59:59,673 INFO L93 Difference]: Finished difference Result 65 states and 89 transitions. [2022-11-22 01:59:59,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:59:59,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2022-11-22 01:59:59,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:59:59,675 INFO L225 Difference]: With dead ends: 65 [2022-11-22 01:59:59,676 INFO L226 Difference]: Without dead ends: 43 [2022-11-22 01:59:59,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:59:59,677 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:59:59,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:59:59,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-22 01:59:59,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-22 01:59:59,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 01:59:59,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-11-22 01:59:59,687 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 59 [2022-11-22 01:59:59,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:59:59,688 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-11-22 01:59:59,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:59:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-11-22 01:59:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-22 01:59:59,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:59:59,690 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:59:59,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-22 01:59:59,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-22 01:59:59,903 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:59:59,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:59:59,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1159343183, now seen corresponding path program 1 times [2022-11-22 01:59:59,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:59:59,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825904828] [2022-11-22 01:59:59,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:59:59,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:00:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:01,228 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-22 02:00:01,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:00:01,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825904828] [2022-11-22 02:00:01,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825904828] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:00:01,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43468968] [2022-11-22 02:00:01,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:00:01,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:00:01,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:00:01,237 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:00:01,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 02:00:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:02,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:00:02,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:00:02,153 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-22 02:00:02,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:00:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-22 02:00:02,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43468968] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 02:00:02,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 02:00:02,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-22 02:00:02,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456047582] [2022-11-22 02:00:02,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:00:02,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:00:02,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:00:02,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:00:02,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:00:02,207 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 02:00:03,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:00:03,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:00:03,921 INFO L93 Difference]: Finished difference Result 67 states and 91 transitions. [2022-11-22 02:00:03,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:00:03,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60 [2022-11-22 02:00:03,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:00:03,924 INFO L225 Difference]: With dead ends: 67 [2022-11-22 02:00:03,924 INFO L226 Difference]: Without dead ends: 44 [2022-11-22 02:00:03,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:00:03,925 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:00:03,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-22 02:00:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-22 02:00:03,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-22 02:00:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 02:00:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2022-11-22 02:00:03,936 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 60 [2022-11-22 02:00:03,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:00:03,937 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2022-11-22 02:00:03,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 02:00:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-11-22 02:00:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-22 02:00:03,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:00:03,939 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:00:03,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 02:00:04,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:00:04,154 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:00:04,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:00:04,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1097501890, now seen corresponding path program 1 times [2022-11-22 02:00:04,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:00:04,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286965329] [2022-11-22 02:00:04,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:00:04,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:00:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-22 02:00:05,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:00:05,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286965329] [2022-11-22 02:00:05,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286965329] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:00:05,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961065709] [2022-11-22 02:00:05,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:00:05,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:00:05,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:00:05,257 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:00:05,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 02:00:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:06,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 2082 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 02:00:06,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:00:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-22 02:00:06,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:00:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-22 02:00:06,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961065709] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 02:00:06,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 02:00:06,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-11-22 02:00:06,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874888048] [2022-11-22 02:00:06,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:00:06,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:00:06,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:00:06,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:00:06,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:00:06,130 INFO L87 Difference]: Start difference. First operand 44 states and 59 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 02:00:08,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:00:08,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:00:08,220 INFO L93 Difference]: Finished difference Result 69 states and 93 transitions. [2022-11-22 02:00:08,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:00:08,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2022-11-22 02:00:08,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:00:08,222 INFO L225 Difference]: With dead ends: 69 [2022-11-22 02:00:08,222 INFO L226 Difference]: Without dead ends: 45 [2022-11-22 02:00:08,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:00:08,223 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:00:08,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 02:00:08,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-22 02:00:08,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-22 02:00:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 02:00:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2022-11-22 02:00:08,234 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 61 [2022-11-22 02:00:08,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:00:08,234 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2022-11-22 02:00:08,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 02:00:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-11-22 02:00:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-22 02:00:08,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:00:08,236 INFO L195 NwaCegarLoop]: trace histogram [10, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:00:08,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 02:00:08,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:00:08,450 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:00:08,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:00:08,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1100613158, now seen corresponding path program 1 times [2022-11-22 02:00:08,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:00:08,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605629524] [2022-11-22 02:00:08,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:00:08,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:00:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-22 02:00:09,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:00:09,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605629524] [2022-11-22 02:00:09,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605629524] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:00:09,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181687395] [2022-11-22 02:00:09,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:00:09,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:00:09,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:00:09,544 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:00:09,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 02:00:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:00:10,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-22 02:00:10,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:00:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-22 02:00:10,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:00:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-22 02:00:10,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181687395] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:00:10,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1037541140] [2022-11-22 02:00:10,715 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 02:00:10,715 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:00:10,716 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:00:10,716 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:00:10,716 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:00:10,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 02:00:10,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:00:10,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:00:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:10,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 328 [2022-11-22 02:00:11,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:00:11,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:00:11,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:00:11,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-22 02:00:11,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:00:11,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:00:14,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:00:14,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:00:14,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:14,860 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:14,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:15,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:15,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:15,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:15,550 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:00:15,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:00:15,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:15,990 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:15,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:17,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:00:17,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:00:17,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:00:18,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:18,043 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:18,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:19,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:19,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:19,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:19,268 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:00:19,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:00:19,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:19,987 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:19,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:20,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:00:21,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:21,206 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:21,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:22,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:22,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:22,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:22,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:22,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:22,540 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:00:22,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:00:23,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:23,504 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:23,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:24,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:24,195 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:24,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:25,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:25,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:25,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:25,711 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:00:25,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 02:00:26,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:26,402 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:26,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:26,972 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:00:26,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:00:38,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:00:38,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:00:39,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:39,869 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:39,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:40,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:40,226 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:40,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:41,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:00:41,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:00:41,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:00:42,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:42,234 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:42,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:43,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:43,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:43,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:43,370 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:00:43,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:00:44,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:44,179 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:44,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:44,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:00:45,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:45,386 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:45,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:46,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:46,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:46,725 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:00:46,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:00:47,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:47,468 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:47,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:48,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:48,118 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:48,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:49,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:49,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:00:49,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:49,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:49,616 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:00:49,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 02:00:50,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:00:50,318 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:00:50,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:00:50,883 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:00:50,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:01:01,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:01:01,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:01:02,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:02,173 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:01:02,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:01:02,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:03,020 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:01:03,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:01:03,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:01:04,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:01:04,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:01:05,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:05,133 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:01:05,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:01:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:06,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:06,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:06,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:06,336 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:01:06,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:01:06,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:06,960 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:01:06,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:01:07,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:01:08,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:08,104 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:01:08,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:01:09,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:09,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:09,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:01:09,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:09,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:09,495 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:01:09,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:01:10,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:10,306 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:01:10,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:01:10,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:10,836 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 02:01:10,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 02:01:12,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:12,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:12,330 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-22 02:01:12,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-22 02:01:13,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:01:13,382 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:01:13,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:01:13,946 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:01:13,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:01:36,968 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-22 02:01:36,970 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:01:50,461 WARN L233 SmtUtils]: Spent 10.53s on a formula simplification. DAG size of input: 640 DAG size of output: 460 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:02:12,391 WARN L233 SmtUtils]: Spent 21.57s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:02:32,782 WARN L233 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:02:47,710 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3520#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-22 02:02:47,711 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:02:47,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:02:47,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 11 [2022-11-22 02:02:47,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749582444] [2022-11-22 02:02:47,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:02:47,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:02:47,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:47,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:02:47,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=897, Unknown=0, NotChecked=0, Total=1056 [2022-11-22 02:02:47,713 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 02:02:49,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:49,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:49,924 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-11-22 02:02:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 02:02:49,924 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 62 [2022-11-22 02:02:49,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:49,925 INFO L225 Difference]: With dead ends: 88 [2022-11-22 02:02:49,925 INFO L226 Difference]: Without dead ends: 49 [2022-11-22 02:02:49,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 70.8s TimeCoverageRelationStatistics Valid=165, Invalid=957, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 02:02:49,927 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:49,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 92 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-22 02:02:49,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-22 02:02:49,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-22 02:02:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 02:02:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2022-11-22 02:02:49,938 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 62 [2022-11-22 02:02:49,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:49,939 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2022-11-22 02:02:49,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 02:02:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-11-22 02:02:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-22 02:02:49,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:49,941 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:02:49,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 02:02:50,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:02:50,155 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:02:50,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash -85362012, now seen corresponding path program 2 times [2022-11-22 02:02:50,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:50,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600321057] [2022-11-22 02:02:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:50,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-22 02:02:51,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:51,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600321057] [2022-11-22 02:02:51,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600321057] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:02:51,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041622291] [2022-11-22 02:02:51,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:02:51,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:02:51,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:02:51,489 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:02:51,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 02:03:46,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-22 02:03:46,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:03:46,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-22 02:03:46,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:03:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-22 02:03:46,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:03:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-22 02:03:46,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041622291] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:03:46,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2109205359] [2022-11-22 02:03:46,639 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 02:03:46,639 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:03:46,639 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:03:46,639 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:03:46,640 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:03:46,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:03:46,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 02:03:46,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:03:46,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:03:46,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 328 [2022-11-22 02:03:46,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:03:47,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:03:47,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:03:47,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-22 02:03:47,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:03:47,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:03:49,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:03:49,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:03:50,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:50,230 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:03:50,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:03:50,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:03:50,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:03:50,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:50,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:50,868 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:03:50,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:03:51,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:51,249 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:03:51,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:03:52,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:03:52,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:03:52,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:03:53,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:53,453 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:03:53,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:03:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:03:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:03:54,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:54,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:54,565 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:03:54,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:03:55,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:55,183 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:03:55,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:03:55,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:03:56,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:56,516 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:03:56,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:03:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:03:57,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:03:57,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:03:57,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:57,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:57,910 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:03:57,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:03:58,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:58,697 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:03:58,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:03:59,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:03:59,447 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:03:59,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:00,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:00,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:00,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:00,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:00,924 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:04:00,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 02:04:01,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:01,711 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:01,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:02,134 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:04:02,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:04:12,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:04:12,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:04:14,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:14,047 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:14,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:14,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:14,455 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:14,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:15,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:04:15,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:04:16,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:04:16,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:16,827 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:16,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:17,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:17,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:17,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:17,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:17,863 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:04:17,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:04:18,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:18,502 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:18,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:19,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:04:19,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:19,801 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:19,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:21,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:21,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:21,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:21,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:21,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:21,096 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:04:21,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:04:21,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:21,920 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:21,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:22,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:22,583 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 02:04:22,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 02:04:23,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:23,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:23,975 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-22 02:04:23,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-22 02:04:24,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:24,896 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:24,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:25,427 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:04:25,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:04:35,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:04:36,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:04:36,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:36,822 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:36,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:37,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:37,675 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:37,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:38,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:04:39,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:04:39,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:04:39,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:39,835 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:39,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:40,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:40,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:40,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:40,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:41,004 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:04:41,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:04:41,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:41,658 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:41,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:42,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:04:42,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:43,017 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:43,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:44,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:04:44,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:44,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:44,419 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:04:44,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:04:45,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:45,231 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:45,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:45,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:45,960 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 02:04:45,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 02:04:47,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:47,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:47,324 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-22 02:04:47,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-22 02:04:48,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:04:48,159 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:04:48,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:04:48,657 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:04:48,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:05:11,243 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-22 02:05:11,244 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:05:27,105 WARN L233 SmtUtils]: Spent 12.56s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:05:43,528 WARN L233 SmtUtils]: Spent 16.06s on a formula simplification. DAG size of input: 556 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:06:04,922 WARN L233 SmtUtils]: Spent 10.28s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:06:20,009 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4170#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-22 02:06:20,009 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:06:20,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:06:20,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 4] total 12 [2022-11-22 02:06:20,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045283041] [2022-11-22 02:06:20,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:06:20,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 02:06:20,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:06:20,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 02:06:20,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 02:06:20,012 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 02:06:21,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:06:23,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:06:23,384 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions. [2022-11-22 02:06:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 02:06:23,385 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 66 [2022-11-22 02:06:23,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:06:23,385 INFO L225 Difference]: With dead ends: 95 [2022-11-22 02:06:23,386 INFO L226 Difference]: Without dead ends: 53 [2022-11-22 02:06:23,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 68.9s TimeCoverageRelationStatistics Valid=168, Invalid=1022, Unknown=0, NotChecked=0, Total=1190 [2022-11-22 02:06:23,388 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:06:23,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-22 02:06:23,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-22 02:06:23,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-22 02:06:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 02:06:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-22 02:06:23,400 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 66 [2022-11-22 02:06:23,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:06:23,400 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-22 02:06:23,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 02:06:23,401 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-22 02:06:23,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-22 02:06:23,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:06:23,402 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:06:23,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-22 02:06:23,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-22 02:06:23,617 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:06:23,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:06:23,617 INFO L85 PathProgramCache]: Analyzing trace with hash -452327161, now seen corresponding path program 3 times [2022-11-22 02:06:23,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:06:23,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788484186] [2022-11-22 02:06:23,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:06:23,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:06:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:06:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-22 02:06:25,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:06:25,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788484186] [2022-11-22 02:06:25,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788484186] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:06:25,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049101276] [2022-11-22 02:06:25,054 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 02:06:25,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:06:25,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:06:25,065 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:06:25,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-22 02:06:26,090 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 02:06:26,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:06:26,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 2145 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-22 02:06:26,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:06:26,201 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-22 02:06:26,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:06:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-22 02:06:26,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049101276] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:06:26,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1231227270] [2022-11-22 02:06:26,359 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 02:06:26,359 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:06:26,359 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:06:26,360 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:06:26,360 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:06:26,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 02:06:26,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:06:26,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-22 02:06:26,574 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-22 02:06:26,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-22 02:06:26,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:06:26,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:06:26,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:06:26,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-22 02:06:27,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:06:27,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:06:29,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:06:30,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:06:30,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:30,344 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:30,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:31,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:31,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:31,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:31,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:31,064 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:06:31,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:06:31,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:31,402 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:31,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:32,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:06:32,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:06:33,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:06:33,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:33,820 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:33,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:35,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:35,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:35,252 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:06:35,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:06:36,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:36,039 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:36,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:36,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:06:37,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:37,465 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:37,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:39,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:39,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:39,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:39,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:39,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:39,280 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:06:39,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:06:40,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:40,106 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:40,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:41,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:41,037 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:41,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:42,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:06:42,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:42,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:42,841 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:06:42,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 02:06:43,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:43,688 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:43,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:44,374 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:06:44,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:06:55,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:06:56,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:06:57,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:57,233 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:57,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:58,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:06:58,370 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:06:58,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:06:59,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:07:00,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:07:00,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:07:01,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:01,217 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:01,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:02,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:02,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:02,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:02,629 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:07:02,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:07:03,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:03,343 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:03,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:04,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:07:05,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:05,055 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:05,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:06,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:06,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:06,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:06,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:06,805 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:07:06,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:07:07,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:07,532 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:07,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:08,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:08,522 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 02:07:08,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 02:07:10,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:10,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:10,204 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-22 02:07:10,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-22 02:07:11,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:11,234 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:11,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:11,849 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:07:11,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:07:24,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:07:24,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:07:26,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:26,055 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:26,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:26,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:26,528 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:26,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:27,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:07:28,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:07:28,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:07:28,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:29,012 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:29,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:30,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:30,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:30,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:30,321 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:07:30,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:07:30,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:31,010 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:31,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:31,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:07:32,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:32,517 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:32,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:07:33,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:33,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:33,960 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:07:33,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:07:34,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:35,009 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:35,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:35,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:35,784 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 02:07:35,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 02:07:37,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:37,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:37,545 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-11-22 02:07:37,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 113 [2022-11-22 02:07:38,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:07:38,541 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:07:38,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:07:39,142 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:07:39,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:08:08,418 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-22 02:08:08,419 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:08:26,770 WARN L233 SmtUtils]: Spent 14.29s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:08:52,985 WARN L233 SmtUtils]: Spent 25.59s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:09:12,886 WARN L233 SmtUtils]: Spent 9.63s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:09:27,138 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4873#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-22 02:09:27,138 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:09:27,138 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:09:27,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 7] total 19 [2022-11-22 02:09:27,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621994981] [2022-11-22 02:09:27,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:09:27,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-22 02:09:27,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:09:27,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-22 02:09:27,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1443, Unknown=0, NotChecked=0, Total=1640 [2022-11-22 02:09:27,140 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 02:09:28,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:09:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:09:30,623 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2022-11-22 02:09:30,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-22 02:09:30,624 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2022-11-22 02:09:30,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:09:30,625 INFO L225 Difference]: With dead ends: 103 [2022-11-22 02:09:30,625 INFO L226 Difference]: Without dead ends: 58 [2022-11-22 02:09:30,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 79.0s TimeCoverageRelationStatistics Valid=217, Invalid=1589, Unknown=0, NotChecked=0, Total=1806 [2022-11-22 02:09:30,627 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:09:30,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-22 02:09:30,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-22 02:09:30,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-22 02:09:30,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 02:09:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-11-22 02:09:30,637 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 70 [2022-11-22 02:09:30,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:09:30,637 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-11-22 02:09:30,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 02:09:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-22 02:09:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-22 02:09:30,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:09:30,639 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:09:30,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-22 02:09:30,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-22 02:09:30,849 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:09:30,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:09:30,849 INFO L85 PathProgramCache]: Analyzing trace with hash 575030105, now seen corresponding path program 4 times [2022-11-22 02:09:30,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:09:30,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059311947] [2022-11-22 02:09:30,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:09:30,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:09:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-22 02:09:32,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:09:32,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059311947] [2022-11-22 02:09:32,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059311947] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:09:32,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453673629] [2022-11-22 02:09:32,117 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-22 02:09:32,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:09:32,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:32,133 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:09:32,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-22 02:09:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:09:33,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 2180 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-22 02:09:33,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:09:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-22 02:09:33,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:09:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-22 02:09:33,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453673629] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:09:33,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [94607259] [2022-11-22 02:09:33,625 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 02:09:33,625 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:09:33,626 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:09:33,626 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:09:33,626 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:09:33,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:09:33,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 02:09:33,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-22 02:09:33,798 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-22 02:09:33,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-22 02:09:34,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:09:34,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:09:34,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:09:34,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:09:34,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:09:34,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:09:36,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:09:36,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:09:36,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:37,010 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:09:37,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:09:37,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:37,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:37,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:37,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:37,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:37,636 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:09:37,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:09:37,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:37,961 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:09:37,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:09:39,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:09:39,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:09:39,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:09:40,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:40,032 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:09:40,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:09:41,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:41,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:41,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:41,168 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:09:41,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:09:41,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:41,807 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:09:41,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:09:42,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:09:43,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:43,136 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:09:43,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:09:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:44,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:44,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:44,421 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:09:44,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:09:45,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:45,137 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:09:45,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:09:45,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:45,881 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:09:45,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:09:47,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:47,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:09:47,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:47,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:47,259 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:09:47,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 02:09:47,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:47,903 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:09:47,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:09:48,517 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:09:48,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:09:58,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:09:58,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:09:59,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:09:59,206 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:09:59,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:09:59,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:00,018 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:00,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:01,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:10:01,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:10:01,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:10:02,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:02,027 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:02,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:03,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:03,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:03,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:03,134 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:10:03,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:10:03,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:03,775 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:03,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:04,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:10:04,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:04,936 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:04,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:06,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:06,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:06,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:06,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:06,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:06,368 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:10:06,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:10:07,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:07,098 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:07,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:07,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:07,707 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 02:10:07,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-22 02:10:09,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:09,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:09,215 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-11-22 02:10:09,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 103 [2022-11-22 02:10:09,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:09,930 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:09,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:10,506 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:10:10,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:10:20,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:10:20,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:10:21,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:21,527 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:21,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:22,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:22,391 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:22,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:23,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:10:23,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:10:23,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:10:24,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:24,362 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:24,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:25,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:25,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:25,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:25,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:25,513 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:10:25,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:10:26,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:26,064 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:26,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:26,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:10:27,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:27,340 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:27,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:28,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:28,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:28,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:28,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:28,722 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:10:28,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:10:29,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:29,631 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:29,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:30,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:30,208 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:30,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:31,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:31,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:31,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:10:31,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:31,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:31,680 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:10:31,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 02:10:32,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:10:32,385 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:10:32,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:10:32,880 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:10:32,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:10:54,071 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 14 for LOIs [2022-11-22 02:10:54,073 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:11:09,849 WARN L233 SmtUtils]: Spent 12.05s on a formula simplification. DAG size of input: 640 DAG size of output: 465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:11:32,356 WARN L233 SmtUtils]: Spent 21.78s on a formula simplification. DAG size of input: 556 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:11:53,740 WARN L233 SmtUtils]: Spent 9.78s on a formula simplification. DAG size of input: 437 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:12:08,691 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5642#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 0 |ULTIMATE.start_main_~var_142~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_40~0#1| 127) (<= 2 |ULTIMATE.start_main_~msb_SORT_5~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_36~0#1| 31) (<= |ULTIMATE.start_main_~msb_SORT_5~0#1| 2) (<= 0 |ULTIMATE.start_main_~var_23~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_3~0#1| 32768) (<= |ULTIMATE.start_main_~var_120_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_117_arg_0~0#1|) (<= 0 |#NULL.base|) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_101~0#1|) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= 0 |ULTIMATE.start_main_~var_52~0#1|) (<= |ULTIMATE.start_main_~var_50_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~msb_SORT_11~0#1| 128) (<= |ULTIMATE.start_main_~var_99~0#1| 0) (<= |ULTIMATE.start_main_~var_90~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_144_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= 1 |ULTIMATE.start_main_~var_132_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_91_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_110~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_91_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_82_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1)) (<= |ULTIMATE.start_main_~var_106~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= |ULTIMATE.start_main_~var_76~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_109~0#1|) (<= |ULTIMATE.start_main_~var_126_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_144_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_78~0#1| 1) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~init_112_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_123_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_102_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_30_arg_1~0#1|) (<= |ULTIMATE.start_main_~#state_44~0#1.offset| 0) (<= 127 |ULTIMATE.start_main_~mask_SORT_40~0#1|) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_142~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_117_arg_0~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_113_arg_2~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_81~0#1|) (<= |ULTIMATE.start_main_~var_77_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_230~0#1| 2) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= 0 |ULTIMATE.start_main_~var_82_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_107_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_229~0#1| 2147483648) (<= |ULTIMATE.start_main_~var_27~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_29~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_5~0#1| 3) (<= |ULTIMATE.start_main_~mask_SORT_15~0#1| 15) (<= |ULTIMATE.start_main_~var_100_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~state_111~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_143_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= |ULTIMATE.start_main_~var_113_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= |ULTIMATE.start_main_~var_410~0#1| 255) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_24_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~var_30_arg_1~0#1| 1) (<= 63 |ULTIMATE.start_main_~mask_SORT_38~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_139_arg_0~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_230~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 1 |ULTIMATE.start_main_~init_112_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_78~0#1|) (<= 1 |ULTIMATE.start_main_~var_139_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= |ULTIMATE.start_main_~var_113_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_107_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_106~0#1|) (or (and (<= 0 |ULTIMATE.start_main_~var_209_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_444_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_214_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_152_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_418~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_439_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_209_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~next_455_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_439_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_423_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.base|) (<= |ULTIMATE.start_main_~next_419_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_453_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_424_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_432_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_438~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_184_arg_1~0#1|) (<= |ULTIMATE.start_main_~state_111~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_412_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_412_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_184_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_430_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_208~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_208~0#1|) (<= |ULTIMATE.start_main_~var_423_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_201_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_435_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_438_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_408_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_418_arg_0~0#1| 1) (<= 255 |ULTIMATE.start_main_~var_417_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_405_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_438_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_418_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_417~0#1| 1) (<= |ULTIMATE.start_main_~var_218~0#1| 1) (<= |ULTIMATE.start_main_~var_411_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_418_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_447_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_439~0#1.offset|) (<= |ULTIMATE.start_main_~var_439_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_201_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_433_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_450_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_427_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_213~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~state_111~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~next_440_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_0~0#1|) (<= 255 |ULTIMATE.start_main_~var_435_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_421_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_447_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 255 |ULTIMATE.start_main_~var_433_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_214_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_417~0#1|) (<= 0 |ULTIMATE.start_main_~var_152_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_418_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_440_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_439~0#1.base|) (<= |ULTIMATE.start_main_~var_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_439~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_417_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_418~0#1.base|) (<= |ULTIMATE.start_main_~next_455_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_405_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_438~0#1|) (<= 0 |ULTIMATE.start_main_~var_411_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_450_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_444_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_430_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_427_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_113_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_432_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_218~0#1|) (<= 0 |ULTIMATE.start_main_~var_439_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_213~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_424_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_414_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_408_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= 0 |ULTIMATE.start_main_~next_419_arg_1~0#1.offset|)) (and (<= 1 |ULTIMATE.start_main_~state_111~0#1|) (<= 1 |ULTIMATE.start_main_~var_113_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_142_arg_0~0#1|))) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_82_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_123_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_110~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_1~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_73~0#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_126_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_143_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_77_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_73~0#1| 1) (<= 32768 |ULTIMATE.start_main_~msb_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.offset|) (<= 3 |ULTIMATE.start_main_~mask_SORT_5~0#1|) (<= 255 |ULTIMATE.start_main_~var_410~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= |ULTIMATE.start_main_~var_132_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_113_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_109~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_77_arg_1~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_183~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_82_arg_1~0#1|) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= 0 |ULTIMATE.start_main_~var_76~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= |ULTIMATE.start_main_~var_101~0#1| 1) (<= |ULTIMATE.start_main_~var_183~0#1| 0) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_90~0#1|) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_229~0#1|) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_81~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_102_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~mask_SORT_12~0#1| 7) (<= 0 |ULTIMATE.start_main_~#state_44~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_53_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_120_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_229~0#1| 1) 0))' at error location [2022-11-22 02:12:08,691 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 02:12:08,691 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:12:08,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 18] total 27 [2022-11-22 02:12:08,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416439832] [2022-11-22 02:12:08,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 02:12:08,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-22 02:12:08,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:12:08,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-22 02:12:08,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2124, Unknown=0, NotChecked=0, Total=2352 [2022-11-22 02:12:08,694 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 02:12:12,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:12,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:12:12,263 INFO L93 Difference]: Finished difference Result 114 states and 145 transitions. [2022-11-22 02:12:12,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-22 02:12:12,264 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75 [2022-11-22 02:12:12,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:12:12,264 INFO L225 Difference]: With dead ends: 114 [2022-11-22 02:12:12,265 INFO L226 Difference]: Without dead ends: 65 [2022-11-22 02:12:12,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 75.9s TimeCoverageRelationStatistics Valid=298, Invalid=2782, Unknown=0, NotChecked=0, Total=3080 [2022-11-22 02:12:12,267 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 80 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:12:12,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 385 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 414 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-22 02:12:12,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-22 02:12:12,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 59. [2022-11-22 02:12:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-22 02:12:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-11-22 02:12:12,279 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 75 [2022-11-22 02:12:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:12:12,280 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-11-22 02:12:12,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.8518518518518519) internal successors, (50), 27 states have internal predecessors, (50), 1 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-22 02:12:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-11-22 02:12:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-22 02:12:12,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:12:12,281 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:12:12,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-22 02:12:12,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:12:12,489 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:12:12,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:12:12,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1600227513, now seen corresponding path program 5 times [2022-11-22 02:12:12,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:12:12,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189405028] [2022-11-22 02:12:12,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:12:12,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:12:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:12:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-22 02:12:13,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:12:13,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189405028] [2022-11-22 02:12:13,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189405028] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:12:13,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232789271] [2022-11-22 02:12:13,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:12:13,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:12:13,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:12:13,417 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:12:13,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48033833-2106-4388-bdac-70651ef363f9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-22 02:12:35,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-22 02:12:35,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:12:35,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 1815 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-22 02:12:35,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:12:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-22 02:12:35,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:12:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-22 02:12:35,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232789271] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:12:35,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [112526951] [2022-11-22 02:12:35,334 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-22 02:12:35,334 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:12:35,334 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:12:35,334 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:12:35,334 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:12:35,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-22 02:12:35,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:12:35,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-11-22 02:12:35,549 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-22 02:12:35,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 316 treesize of output 323 [2022-11-22 02:12:35,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:12:35,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:12:35,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:12:35,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:12:35,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:12:36,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-22 02:12:38,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:12:38,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:12:38,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:38,737 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:12:38,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:12:39,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:39,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:39,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:39,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:39,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:39,309 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:12:39,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:12:39,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:39,671 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:12:39,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:12:40,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:12:40,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:12:41,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:12:41,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:41,709 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:12:41,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:12:42,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:42,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:42,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:42,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:42,892 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:12:42,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:12:43,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:43,453 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:12:43,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:12:44,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:12:44,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:44,733 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:12:44,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:12:46,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:46,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:46,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:46,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:46,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:46,262 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:12:46,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:12:46,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:46,891 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:12:46,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:12:47,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:47,665 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:12:47,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:12:48,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:48,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:12:48,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:48,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:48,981 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:12:48,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 106 [2022-11-22 02:12:49,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:12:49,743 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:12:49,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:12:50,391 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 02:12:50,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-22 02:13:00,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:13:00,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:13:01,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:01,394 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:13:01,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:13:02,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:02,293 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:13:02,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:13:03,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:13:03,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:13:03,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:13:04,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:04,353 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:13:04,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:13:05,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:13:05,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:13:05,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:05,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:05,525 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:13:05,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:13:06,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:06,206 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:13:06,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:13:06,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:13:07,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:07,364 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:13:07,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:13:08,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:13:08,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:13:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:13:08,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:08,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:08,764 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-11-22 02:13:08,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 74 [2022-11-22 02:13:09,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:09,504 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:13:09,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2022-11-22 02:13:10,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:13:10,179 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-11-22 02:13:10,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27