./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh --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 8d7ac4e991594d98a551c4a6bcf4f5a84930a621689511bd6ecf242e7dc37495 --- 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-2329fc7 [2022-12-14 11:07:01,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:07:01,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:07:01,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:07:01,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:07:01,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:07:01,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:07:01,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:07:01,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:07:01,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:07:01,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:07:01,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:07:01,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:07:01,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:07:01,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:07:01,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:07:01,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:07:01,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:07:01,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:07:01,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:07:01,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:07:01,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:07:01,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:07:01,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:07:01,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:07:01,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:07:01,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:07:01,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:07:01,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:07:01,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:07:01,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:07:01,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:07:01,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:07:01,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:07:01,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:07:01,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:07:01,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:07:01,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:07:01,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:07:01,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:07:01,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:07:01,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 11:07:01,713 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:07:01,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:07:01,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:07:01,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:07:01,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:07:01,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:07:01,721 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:07:01,721 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:07:01,721 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:07:01,721 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:07:01,721 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:07:01,721 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:07:01,721 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:07:01,722 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:07:01,722 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:07:01,722 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:07:01,722 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:07:01,722 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:07:01,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:07:01,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:07:01,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:07:01,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:07:01,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:07:01,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:07:01,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:07:01,724 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:07:01,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:07:01,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:07:01,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:07:01,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:07:01,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:07:01,725 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:07:01,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:07:01,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:07:01,725 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:07:01,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:07:01,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:07:01,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:07:01,726 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_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d7ac4e991594d98a551c4a6bcf4f5a84930a621689511bd6ecf242e7dc37495 [2022-12-14 11:07:01,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:07:01,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:07:01,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:07:01,909 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:07:01,909 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:07:01,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2022-12-14 11:07:04,390 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:07:04,574 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:07:04,575 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2022-12-14 11:07:04,582 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/data/02cd3cc05/71b03d1f964f4ed28145e6d7391b0fec/FLAG060831ec6 [2022-12-14 11:07:04,970 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/data/02cd3cc05/71b03d1f964f4ed28145e6d7391b0fec [2022-12-14 11:07:04,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:07:04,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:07:04,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:07:04,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:07:04,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:07:04,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:07:04" (1/1) ... [2022-12-14 11:07:04,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797b52a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:04, skipping insertion in model container [2022-12-14 11:07:04,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:07:04" (1/1) ... [2022-12-14 11:07:04,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:07:05,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:07:05,153 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_829506a9-4739-4b17-81d5-f9b9c502a4a7/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-12-14 11:07:05,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:07:05,326 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:07:05,336 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_829506a9-4739-4b17-81d5-f9b9c502a4a7/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1107,1120] [2022-12-14 11:07:05,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:07:05,421 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:07:05,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05 WrapperNode [2022-12-14 11:07:05,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:07:05,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:07:05,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:07:05,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:07:05,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,510 INFO L138 Inliner]: procedures = 15, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 921 [2022-12-14 11:07:05,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:07:05,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:07:05,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:07:05,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:07:05,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:07:05,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:07:05,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:07:05,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:07:05,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (1/1) ... [2022-12-14 11:07:05,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:07:05,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:07:05,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:07:05,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:07:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 11:07:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 11:07:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:07:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:07:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:07:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:07:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:07:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:07:05,804 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:07:05,806 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:07:09,083 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:07:09,173 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:07:09,173 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-14 11:07:09,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:07:09 BoogieIcfgContainer [2022-12-14 11:07:09,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:07:09,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:07:09,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:07:09,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:07:09,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:07:04" (1/3) ... [2022-12-14 11:07:09,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a6d399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:07:09, skipping insertion in model container [2022-12-14 11:07:09,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:07:05" (2/3) ... [2022-12-14 11:07:09,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a6d399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:07:09, skipping insertion in model container [2022-12-14 11:07:09,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:07:09" (3/3) ... [2022-12-14 11:07:09,182 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2022-12-14 11:07:09,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:07:09,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 11:07:09,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:07:09,238 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;@5c2ce3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:07:09,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 11:07:09,242 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) [2022-12-14 11:07:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 11:07:09,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:07:09,248 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] [2022-12-14 11:07:09,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:07:09,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:07:09,253 INFO L85 PathProgramCache]: Analyzing trace with hash -860056943, now seen corresponding path program 1 times [2022-12-14 11:07:09,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:07:09,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819608673] [2022-12-14 11:07:09,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:09,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:07:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 11:07:09,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:07:09,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819608673] [2022-12-14 11:07:09,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819608673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:07:09,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:07:09,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 11:07:09,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780762262] [2022-12-14 11:07:09,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:07:09,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:07:09,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:07:09,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:07:09,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:07:09,917 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) [2022-12-14 11:07:10,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:07:10,085 INFO L93 Difference]: Finished difference Result 48 states and 71 transitions. [2022-12-14 11:07:10,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:07:10,087 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 [2022-12-14 11:07:10,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:07:10,091 INFO L225 Difference]: With dead ends: 48 [2022-12-14 11:07:10,092 INFO L226 Difference]: Without dead ends: 25 [2022-12-14 11:07:10,094 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 [2022-12-14 11:07:10,097 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:07:10,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:07:10,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-14 11:07:10,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-14 11:07:10,124 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) [2022-12-14 11:07:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2022-12-14 11:07:10,126 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 26 [2022-12-14 11:07:10,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:07:10,126 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2022-12-14 11:07:10,126 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) [2022-12-14 11:07:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-12-14 11:07:10,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 11:07:10,128 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:07:10,128 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] [2022-12-14 11:07:10,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:07:10,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:07:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:07:10,129 INFO L85 PathProgramCache]: Analyzing trace with hash 400754470, now seen corresponding path program 1 times [2022-12-14 11:07:10,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:07:10,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091319485] [2022-12-14 11:07:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:10,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:07:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 11:07:10,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:07:10,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091319485] [2022-12-14 11:07:10,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091319485] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:10,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464582119] [2022-12-14 11:07:10,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:10,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:10,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:07:10,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:07:10,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:07:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:10,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 11:07:10,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:07:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 11:07:10,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:07:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 11:07:10,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464582119] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:10,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 11:07:10,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 6 [2022-12-14 11:07:10,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347609394] [2022-12-14 11:07:10,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:07:10,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:07:10,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:07:10,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:07:10,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:07:10,774 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) [2022-12-14 11:07:12,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:07:12,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:07:12,222 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2022-12-14 11:07:12,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:07:12,223 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 [2022-12-14 11:07:12,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:07:12,223 INFO L225 Difference]: With dead ends: 47 [2022-12-14 11:07:12,223 INFO L226 Difference]: Without dead ends: 26 [2022-12-14 11:07:12,224 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 [2022-12-14 11:07:12,224 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:07:12,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 11:07:12,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-14 11:07:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-14 11:07:12,228 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) [2022-12-14 11:07:12,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2022-12-14 11:07:12,228 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 27 [2022-12-14 11:07:12,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:07:12,229 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-12-14 11:07:12,229 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) [2022-12-14 11:07:12,229 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-12-14 11:07:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 11:07:12,229 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:07:12,229 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] [2022-12-14 11:07:12,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:07:12,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 11:07:12,432 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:07:12,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:07:12,434 INFO L85 PathProgramCache]: Analyzing trace with hash -61497197, now seen corresponding path program 1 times [2022-12-14 11:07:12,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:07:12,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545942531] [2022-12-14 11:07:12,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:12,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:07:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 11:07:12,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:07:12,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545942531] [2022-12-14 11:07:12,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545942531] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:12,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36030060] [2022-12-14 11:07:12,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:12,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:12,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:07:12,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:07:12,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:07:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:13,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 11:07:13,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:07:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 11:07:13,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:07:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 11:07:13,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36030060] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:07:13,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2091306522] [2022-12-14 11:07:13,511 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 11:07:13,511 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:07:13,514 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:07:13,518 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:07:13,519 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:07:13,584 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 [2022-12-14 11:07:13,600 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 [2022-12-14 11:07:13,642 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 [2022-12-14 11:07:13,897 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 11:07:13,897 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 [2022-12-14 11:07:14,288 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 [2022-12-14 11:07:14,441 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 [2022-12-14 11:07:14,468 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 [2022-12-14 11:07:14,622 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 [2022-12-14 11:07:14,682 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 [2022-12-14 11:07:17,421 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 11:07:17,422 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:07:25,343 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '590#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#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_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#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_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 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|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |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_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#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|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#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|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#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|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-12-14 11:07:25,344 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:07:25,344 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:07:25,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 8 [2022-12-14 11:07:25,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413710397] [2022-12-14 11:07:25,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:07:25,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:07:25,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:07:25,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:07:25,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2022-12-14 11:07:25,346 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) [2022-12-14 11:07:27,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:07:27,527 INFO L93 Difference]: Finished difference Result 52 states and 74 transitions. [2022-12-14 11:07:27,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:07:27,527 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 [2022-12-14 11:07:27,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:07:27,528 INFO L225 Difference]: With dead ends: 52 [2022-12-14 11:07:27,528 INFO L226 Difference]: Without dead ends: 29 [2022-12-14 11:07:27,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2022-12-14 11:07:27,530 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:07:27,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-14 11:07:27,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-14 11:07:27,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-14 11:07:27,534 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) [2022-12-14 11:07:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2022-12-14 11:07:27,535 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 28 [2022-12-14 11:07:27,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:07:27,536 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2022-12-14 11:07:27,536 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) [2022-12-14 11:07:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-12-14 11:07:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 11:07:27,537 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:07:27,537 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] [2022-12-14 11:07:27,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:07:27,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:27,739 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:07:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:07:27,740 INFO L85 PathProgramCache]: Analyzing trace with hash 449457480, now seen corresponding path program 2 times [2022-12-14 11:07:27,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:07:27,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65175544] [2022-12-14 11:07:27,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:27,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:07:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 11:07:28,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:07:28,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65175544] [2022-12-14 11:07:28,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65175544] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:28,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523881764] [2022-12-14 11:07:28,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:07:28,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:28,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:07:28,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:07:28,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:07:28,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 11:07:28,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:07:28,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 11:07:28,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:07:28,890 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 11:07:28,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:07:28,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523881764] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:07:28,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 11:07:28,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-12-14 11:07:28,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878759368] [2022-12-14 11:07:28,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:07:28,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:07:28,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:07:28,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:07:28,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-14 11:07:28,892 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) [2022-12-14 11:07:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:07:30,905 INFO L93 Difference]: Finished difference Result 59 states and 83 transitions. [2022-12-14 11:07:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:07:30,906 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 [2022-12-14 11:07:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:07:30,907 INFO L225 Difference]: With dead ends: 59 [2022-12-14 11:07:30,907 INFO L226 Difference]: Without dead ends: 57 [2022-12-14 11:07:30,907 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 [2022-12-14 11:07:30,907 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 66 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:07:30,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 71 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 11:07:30,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-14 11:07:30,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2022-12-14 11:07:30,914 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) [2022-12-14 11:07:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2022-12-14 11:07:30,914 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 31 [2022-12-14 11:07:30,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:07:30,915 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2022-12-14 11:07:30,915 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) [2022-12-14 11:07:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-12-14 11:07:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 11:07:30,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:07:30,916 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] [2022-12-14 11:07:30,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 11:07:31,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:31,117 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:07:31,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:07:31,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1480142713, now seen corresponding path program 1 times [2022-12-14 11:07:31,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:07:31,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208073324] [2022-12-14 11:07:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:31,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:07:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-12-14 11:07:31,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:07:31,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208073324] [2022-12-14 11:07:31,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208073324] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:31,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704175157] [2022-12-14 11:07:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:31,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:31,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:07:31,882 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:07:31,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 11:07:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:32,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 11:07:32,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:07:32,354 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 11:07:32,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:07:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-12-14 11:07:32,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704175157] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:32,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 11:07:32,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-12-14 11:07:32,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114647589] [2022-12-14 11:07:32,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:07:32,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:07:32,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:07:32,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:07:32,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:07:32,386 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) [2022-12-14 11:07:33,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:07:33,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:07:33,939 INFO L93 Difference]: Finished difference Result 63 states and 87 transitions. [2022-12-14 11:07:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:07:33,940 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 [2022-12-14 11:07:33,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:07:33,940 INFO L225 Difference]: With dead ends: 63 [2022-12-14 11:07:33,940 INFO L226 Difference]: Without dead ends: 42 [2022-12-14 11:07:33,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:07:33,941 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:07:33,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 11:07:33,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-14 11:07:33,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-14 11:07:33,946 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) [2022-12-14 11:07:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2022-12-14 11:07:33,946 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 58 [2022-12-14 11:07:33,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:07:33,947 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2022-12-14 11:07:33,947 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) [2022-12-14 11:07:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-12-14 11:07:33,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 11:07:33,948 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:07:33,948 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] [2022-12-14 11:07:33,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 11:07:34,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:34,149 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:07:34,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:07:34,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2128043558, now seen corresponding path program 1 times [2022-12-14 11:07:34,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:07:34,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957637667] [2022-12-14 11:07:34,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:34,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:07:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-14 11:07:34,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:07:34,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957637667] [2022-12-14 11:07:34,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957637667] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:34,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27665796] [2022-12-14 11:07:34,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:34,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:34,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:07:34,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:07:34,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 11:07:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:35,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 11:07:35,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:07:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-14 11:07:35,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:07:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-12-14 11:07:35,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27665796] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:35,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 11:07:35,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-12-14 11:07:35,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695689804] [2022-12-14 11:07:35,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:07:35,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:07:35,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:07:35,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:07:35,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:07:35,319 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) [2022-12-14 11:07:35,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:07:35,416 INFO L93 Difference]: Finished difference Result 65 states and 89 transitions. [2022-12-14 11:07:35,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:07:35,417 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 [2022-12-14 11:07:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:07:35,418 INFO L225 Difference]: With dead ends: 65 [2022-12-14 11:07:35,418 INFO L226 Difference]: Without dead ends: 43 [2022-12-14 11:07:35,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:07:35,419 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:07:35,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:07:35,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-14 11:07:35,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-12-14 11:07:35,423 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) [2022-12-14 11:07:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-12-14 11:07:35,424 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 59 [2022-12-14 11:07:35,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:07:35,424 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-12-14 11:07:35,424 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) [2022-12-14 11:07:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-12-14 11:07:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 11:07:35,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:07:35,425 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] [2022-12-14 11:07:35,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 11:07:35,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:35,627 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:07:35,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:07:35,628 INFO L85 PathProgramCache]: Analyzing trace with hash 483069382, now seen corresponding path program 1 times [2022-12-14 11:07:35,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:07:35,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369850287] [2022-12-14 11:07:35,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:35,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:07:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-12-14 11:07:36,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:07:36,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369850287] [2022-12-14 11:07:36,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369850287] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:36,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144536418] [2022-12-14 11:07:36,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:36,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:36,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:07:36,254 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:07:36,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 11:07:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:36,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 2043 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 11:07:36,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:07:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 11:07:36,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:07:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-12-14 11:07:36,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144536418] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:36,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 11:07:36,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-12-14 11:07:36,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549645158] [2022-12-14 11:07:36,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:07:36,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:07:36,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:07:36,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:07:36,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:07:36,891 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) [2022-12-14 11:07:36,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:07:36,988 INFO L93 Difference]: Finished difference Result 67 states and 91 transitions. [2022-12-14 11:07:36,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:07:36,988 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 [2022-12-14 11:07:36,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:07:36,989 INFO L225 Difference]: With dead ends: 67 [2022-12-14 11:07:36,989 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 11:07:36,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:07:36,989 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:07:36,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 11:07:36,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 11:07:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-14 11:07:36,994 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) [2022-12-14 11:07:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 59 transitions. [2022-12-14 11:07:36,994 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 59 transitions. Word has length 60 [2022-12-14 11:07:36,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:07:36,995 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 59 transitions. [2022-12-14 11:07:36,995 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) [2022-12-14 11:07:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-12-14 11:07:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 11:07:36,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:07:36,996 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] [2022-12-14 11:07:37,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 11:07:37,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-14 11:07:37,197 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:07:37,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:07:37,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1681927714, now seen corresponding path program 1 times [2022-12-14 11:07:37,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:07:37,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056191794] [2022-12-14 11:07:37,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:37,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:07:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-14 11:07:37,934 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:07:37,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056191794] [2022-12-14 11:07:37,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056191794] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:37,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899692660] [2022-12-14 11:07:37,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:37,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:37,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:07:37,935 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:07:37,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 11:07:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:38,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 11:07:38,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:07:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 11:07:38,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:07:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-14 11:07:38,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899692660] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:38,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 11:07:38,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 4] total 9 [2022-12-14 11:07:38,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251565144] [2022-12-14 11:07:38,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:07:38,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:07:38,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:07:38,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:07:38,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:07:38,520 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) [2022-12-14 11:07:39,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 11:07:39,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:07:39,752 INFO L93 Difference]: Finished difference Result 69 states and 93 transitions. [2022-12-14 11:07:39,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:07:39,753 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 [2022-12-14 11:07:39,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:07:39,753 INFO L225 Difference]: With dead ends: 69 [2022-12-14 11:07:39,753 INFO L226 Difference]: Without dead ends: 45 [2022-12-14 11:07:39,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:07:39,754 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:07:39,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:07:39,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-14 11:07:39,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-14 11:07:39,762 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) [2022-12-14 11:07:39,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2022-12-14 11:07:39,762 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 61 [2022-12-14 11:07:39,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:07:39,763 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2022-12-14 11:07:39,763 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) [2022-12-14 11:07:39,763 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-12-14 11:07:39,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 11:07:39,764 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:07:39,764 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] [2022-12-14 11:07:39,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 11:07:39,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:39,966 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:07:39,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:07:39,967 INFO L85 PathProgramCache]: Analyzing trace with hash -281868135, now seen corresponding path program 1 times [2022-12-14 11:07:39,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:07:39,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565663459] [2022-12-14 11:07:39,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:39,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:07:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:40,546 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-14 11:07:40,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:07:40,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565663459] [2022-12-14 11:07:40,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565663459] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:07:40,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930194122] [2022-12-14 11:07:40,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:07:40,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:07:40,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:07:40,547 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:07:40,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 11:07:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:07:41,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 2057 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 11:07:41,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:07:41,149 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 11:07:41,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:07:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-14 11:07:41,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930194122] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:07:41,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1963051311] [2022-12-14 11:07:41,183 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 11:07:41,183 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:07:41,183 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:07:41,183 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:07:41,183 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:07:41,211 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 [2022-12-14 11:07:41,220 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 [2022-12-14 11:07:41,238 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 [2022-12-14 11:07:41,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:41,317 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 [2022-12-14 11:07:41,399 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 [2022-12-14 11:07:41,426 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 [2022-12-14 11:07:41,438 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 [2022-12-14 11:07:41,465 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 [2022-12-14 11:07:41,598 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 [2022-12-14 11:07:41,662 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 [2022-12-14 11:07:43,815 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 [2022-12-14 11:07:43,877 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 [2022-12-14 11:07:44,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:44,071 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:07:44,071 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 [2022-12-14 11:07:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:44,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:44,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:44,631 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:07:44,631 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 [2022-12-14 11:07:44,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:44,900 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:07:44,900 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 [2022-12-14 11:07:45,938 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 [2022-12-14 11:07:46,058 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 [2022-12-14 11:07:46,307 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 [2022-12-14 11:07:46,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:46,768 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:07:46,768 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 [2022-12-14 11:07:47,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:47,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:47,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:47,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:47,772 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:07:47,772 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 [2022-12-14 11:07:48,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:48,279 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:07:48,279 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 [2022-12-14 11:07:48,825 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 [2022-12-14 11:07:49,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:49,481 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:07:49,481 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 [2022-12-14 11:07:50,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:50,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:50,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:50,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:50,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:50,741 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:07:50,741 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 [2022-12-14 11:07:51,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:51,274 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:07:51,275 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 [2022-12-14 11:07:51,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:51,887 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:07:51,887 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 [2022-12-14 11:07:53,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:07:53,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:53,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:53,147 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:07:53,148 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 [2022-12-14 11:07:53,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:07:53,863 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:07:53,864 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 [2022-12-14 11:07:54,265 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:07:54,265 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 [2022-12-14 11:08:02,760 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 [2022-12-14 11:08:02,901 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 [2022-12-14 11:08:03,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:03,673 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:03,673 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 [2022-12-14 11:08:04,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:04,354 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:04,355 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 [2022-12-14 11:08:05,195 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 [2022-12-14 11:08:05,285 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 [2022-12-14 11:08:05,578 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 [2022-12-14 11:08:06,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:06,155 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:06,156 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 [2022-12-14 11:08:07,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:07,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:07,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:07,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:07,166 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:08:07,166 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 [2022-12-14 11:08:07,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:07,655 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:07,656 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 [2022-12-14 11:08:08,328 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 [2022-12-14 11:08:08,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:08,970 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:08,970 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 [2022-12-14 11:08:10,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:10,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:10,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:10,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:10,414 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:08:10,414 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 [2022-12-14 11:08:11,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:11,109 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:11,109 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 [2022-12-14 11:08:11,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:11,580 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:11,581 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 [2022-12-14 11:08:12,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:12,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:12,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:12,868 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:08:12,868 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 [2022-12-14 11:08:13,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:13,588 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:13,588 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 [2022-12-14 11:08:13,983 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:08:13,983 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 [2022-12-14 11:08:23,426 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 [2022-12-14 11:08:23,496 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 [2022-12-14 11:08:24,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:24,634 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:24,634 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 [2022-12-14 11:08:24,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:24,982 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:24,982 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 [2022-12-14 11:08:25,802 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 [2022-12-14 11:08:25,962 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 [2022-12-14 11:08:26,080 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 15 treesize of output 11 [2022-12-14 11:08:26,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:26,712 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:26,713 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 [2022-12-14 11:08:27,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:27,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:27,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:27,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:27,683 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:08:27,683 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 [2022-12-14 11:08:28,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:28,282 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:28,283 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 [2022-12-14 11:08:28,825 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 [2022-12-14 11:08:29,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:29,327 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:29,327 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 [2022-12-14 11:08:30,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:30,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:08:30,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:30,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:30,519 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:08:30,519 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 [2022-12-14 11:08:31,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:31,220 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:31,220 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 [2022-12-14 11:08:31,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:31,742 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:08:31,742 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 [2022-12-14 11:08:33,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:33,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:33,184 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-12-14 11:08:33,184 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 [2022-12-14 11:08:33,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:08:33,872 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:08:33,873 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 [2022-12-14 11:08:34,235 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:08:34,235 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 [2022-12-14 11:08:50,483 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 11:08:50,484 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:08:58,438 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:09:06,631 WARN L233 SmtUtils]: Spent 7.95s on a formula simplification. DAG size of input: 550 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:09:18,363 WARN L233 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:09:25,925 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3520#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#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_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#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_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 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|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |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_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#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|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#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|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#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|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-12-14 11:09:25,925 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:09:25,926 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:09:25,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 11 [2022-12-14 11:09:25,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489779985] [2022-12-14 11:09:25,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:09:25,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 11:09:25,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:09:25,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 11:09:25,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=823, Unknown=0, NotChecked=0, Total=992 [2022-12-14 11:09:25,927 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) [2022-12-14 11:09:27,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:09:27,117 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-12-14 11:09:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 11:09:27,118 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 [2022-12-14 11:09:27,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:09:27,118 INFO L225 Difference]: With dead ends: 88 [2022-12-14 11:09:27,118 INFO L226 Difference]: Without dead ends: 49 [2022-12-14 11:09:27,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 35.5s TimeCoverageRelationStatistics Valid=175, Invalid=881, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 11:09:27,120 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:09:27,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 11:09:27,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-14 11:09:27,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-14 11:09:27,125 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) [2022-12-14 11:09:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2022-12-14 11:09:27,126 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 64 transitions. Word has length 62 [2022-12-14 11:09:27,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:09:27,126 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 64 transitions. [2022-12-14 11:09:27,126 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) [2022-12-14 11:09:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-12-14 11:09:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 11:09:27,127 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:09:27,127 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] [2022-12-14 11:09:27,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 11:09:27,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:09:27,328 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:09:27,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:09:27,329 INFO L85 PathProgramCache]: Analyzing trace with hash -27003653, now seen corresponding path program 2 times [2022-12-14 11:09:27,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:09:27,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292267543] [2022-12-14 11:09:27,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:09:27,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:09:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:09:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-14 11:09:27,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:09:27,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292267543] [2022-12-14 11:09:27,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292267543] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:09:27,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84144606] [2022-12-14 11:09:27,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:09:27,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:09:27,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:09:27,975 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:09:27,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 11:09:58,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 11:09:58,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:09:58,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 11:09:58,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:09:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-14 11:09:58,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:09:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-14 11:09:58,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84144606] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:09:58,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1232955669] [2022-12-14 11:09:58,155 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 11:09:58,155 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:09:58,156 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:09:58,156 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:09:58,156 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:09:58,178 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 [2022-12-14 11:09:58,187 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 [2022-12-14 11:09:58,202 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 [2022-12-14 11:09:58,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:09:58,279 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 [2022-12-14 11:09:58,404 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 [2022-12-14 11:09:58,497 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 [2022-12-14 11:09:58,513 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 [2022-12-14 11:09:58,637 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 [2022-12-14 11:09:58,685 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 [2022-12-14 11:10:00,576 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 [2022-12-14 11:10:00,606 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 [2022-12-14 11:10:00,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:00,913 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:00,913 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 [2022-12-14 11:10:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:01,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:01,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:01,409 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:10:01,409 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 [2022-12-14 11:10:01,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:01,684 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:01,685 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 [2022-12-14 11:10:02,620 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 [2022-12-14 11:10:02,787 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 15 treesize of output 11 [2022-12-14 11:10:02,855 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 [2022-12-14 11:10:03,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:03,461 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:03,462 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 [2022-12-14 11:10:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:04,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:04,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:04,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:04,413 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:10:04,413 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 [2022-12-14 11:10:04,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:04,911 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:04,911 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 [2022-12-14 11:10:05,372 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 [2022-12-14 11:10:05,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:05,904 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:05,904 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 [2022-12-14 11:10:07,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:07,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:07,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:07,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:07,145 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:10:07,145 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 [2022-12-14 11:10:07,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:07,798 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:07,798 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 27 treesize of output 27 [2022-12-14 11:10:08,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:08,296 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:08,296 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 [2022-12-14 11:10:09,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:09,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:09,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:09,543 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:10:09,543 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 [2022-12-14 11:10:10,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:10,144 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:10,144 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 [2022-12-14 11:10:10,639 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:10:10,640 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 [2022-12-14 11:10:19,219 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 [2022-12-14 11:10:19,426 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 [2022-12-14 11:10:20,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:20,584 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:20,584 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 [2022-12-14 11:10:20,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:20,921 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:20,921 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 [2022-12-14 11:10:21,801 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 [2022-12-14 11:10:21,969 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 [2022-12-14 11:10:22,083 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 [2022-12-14 11:10:22,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:22,634 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:22,634 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 [2022-12-14 11:10:23,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:23,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:23,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:23,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:23,603 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:10:23,603 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 [2022-12-14 11:10:24,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:24,132 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:24,132 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 [2022-12-14 11:10:24,587 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 [2022-12-14 11:10:25,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:25,098 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:25,099 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 [2022-12-14 11:10:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:26,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:26,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:26,327 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:10:26,328 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 [2022-12-14 11:10:26,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:26,929 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:26,929 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 [2022-12-14 11:10:27,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:27,575 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:10:27,575 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 [2022-12-14 11:10:28,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:28,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:28,893 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-12-14 11:10:28,893 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 [2022-12-14 11:10:29,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:29,531 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:29,532 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 [2022-12-14 11:10:30,011 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:10:30,011 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 [2022-12-14 11:10:38,729 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 [2022-12-14 11:10:38,901 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 [2022-12-14 11:10:40,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:40,144 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:40,144 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 [2022-12-14 11:10:40,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:40,470 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:40,470 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 [2022-12-14 11:10:41,300 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 [2022-12-14 11:10:41,708 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 [2022-12-14 11:10:41,762 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 [2022-12-14 11:10:42,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:42,275 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:42,275 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 [2022-12-14 11:10:43,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:43,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:43,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:43,196 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:10:43,197 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 [2022-12-14 11:10:43,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:43,682 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:43,682 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 [2022-12-14 11:10:44,148 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 [2022-12-14 11:10:44,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:44,693 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:44,693 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 [2022-12-14 11:10:45,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:45,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:10:45,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:45,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:45,909 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:10:45,909 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 [2022-12-14 11:10:46,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:46,577 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:46,577 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 [2022-12-14 11:10:47,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:47,049 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:10:47,049 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 [2022-12-14 11:10:48,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:48,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:48,374 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 11:10:48,375 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 [2022-12-14 11:10:49,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:10:49,126 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:10:49,126 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 [2022-12-14 11:10:49,500 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:10:49,500 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 [2022-12-14 11:11:05,762 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 11:11:05,763 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:11:13,422 WARN L233 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:11:27,012 WARN L233 SmtUtils]: Spent 13.34s on a formula simplification. DAG size of input: 550 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:11:38,876 WARN L233 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:11:46,822 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4169#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#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_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#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_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 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|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |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_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#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|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#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|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#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|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-12-14 11:11:46,822 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:11:46,822 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:11:46,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 4] total 12 [2022-12-14 11:11:46,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322672267] [2022-12-14 11:11:46,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:11:46,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 11:11:46,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:11:46,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 11:11:46,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=884, Unknown=0, NotChecked=0, Total=1056 [2022-12-14 11:11:46,823 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) [2022-12-14 11:11:48,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:11:48,991 INFO L93 Difference]: Finished difference Result 95 states and 128 transitions. [2022-12-14 11:11:48,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 11:11:48,992 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 [2022-12-14 11:11:48,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:11:48,992 INFO L225 Difference]: With dead ends: 95 [2022-12-14 11:11:48,992 INFO L226 Difference]: Without dead ends: 53 [2022-12-14 11:11:48,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 41.1s TimeCoverageRelationStatistics Valid=178, Invalid=944, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 11:11:48,993 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 11:11:48,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 11:11:48,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-14 11:11:48,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-12-14 11:11:48,997 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) [2022-12-14 11:11:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-12-14 11:11:48,998 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 66 [2022-12-14 11:11:48,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:11:48,998 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-12-14 11:11:48,998 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) [2022-12-14 11:11:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-12-14 11:11:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 11:11:48,999 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:11:48,999 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] [2022-12-14 11:11:49,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-14 11:11:49,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:11:49,201 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:11:49,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:11:49,202 INFO L85 PathProgramCache]: Analyzing trace with hash 384821121, now seen corresponding path program 3 times [2022-12-14 11:11:49,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:11:49,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612403191] [2022-12-14 11:11:49,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:11:49,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:11:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:11:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-14 11:11:49,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:11:49,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612403191] [2022-12-14 11:11:49,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612403191] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:11:49,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064387027] [2022-12-14 11:11:49,894 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 11:11:49,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:11:49,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:11:49,895 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:11:49,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 11:11:50,445 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 11:11:50,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:11:50,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 11:11:50,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:11:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-14 11:11:50,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:11:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-12-14 11:11:50,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064387027] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:11:50,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1642174047] [2022-12-14 11:11:50,595 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 11:11:50,595 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:11:50,595 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:11:50,596 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:11:50,596 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:11:50,615 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 [2022-12-14 11:11:50,625 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 [2022-12-14 11:11:50,650 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 [2022-12-14 11:11:50,746 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 11:11:50,746 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 [2022-12-14 11:11:50,927 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 [2022-12-14 11:11:51,022 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 [2022-12-14 11:11:51,031 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 [2022-12-14 11:11:51,109 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 [2022-12-14 11:11:51,197 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 [2022-12-14 11:11:53,012 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 [2022-12-14 11:11:53,071 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 [2022-12-14 11:11:53,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:53,337 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:11:53,337 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 [2022-12-14 11:11:53,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:11:53,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:11:53,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:53,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:53,860 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:11:53,860 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 [2022-12-14 11:11:54,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:54,164 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:11:54,164 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 [2022-12-14 11:11:55,128 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 [2022-12-14 11:11:55,243 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 [2022-12-14 11:11:55,331 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 [2022-12-14 11:11:55,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:55,926 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:11:55,926 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 [2022-12-14 11:11:56,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:11:56,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:11:56,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:56,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:56,888 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:11:56,888 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 [2022-12-14 11:11:57,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:57,414 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:11:57,414 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 [2022-12-14 11:11:57,880 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 [2022-12-14 11:11:58,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:58,382 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:11:58,383 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 [2022-12-14 11:11:59,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:11:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:11:59,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:11:59,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:59,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:11:59,627 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:11:59,627 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 [2022-12-14 11:12:00,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:00,226 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:00,226 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 [2022-12-14 11:12:00,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:00,867 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:00,867 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 [2022-12-14 11:12:02,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:02,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:02,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:02,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:02,147 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:12:02,147 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 [2022-12-14 11:12:02,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:02,754 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:02,754 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 [2022-12-14 11:12:03,098 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:12:03,098 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 [2022-12-14 11:12:11,645 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 [2022-12-14 11:12:11,798 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 [2022-12-14 11:12:12,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:12,939 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:12,939 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 [2022-12-14 11:12:13,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:13,255 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:13,255 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 [2022-12-14 11:12:14,037 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 [2022-12-14 11:12:14,348 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 [2022-12-14 11:12:14,437 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 [2022-12-14 11:12:15,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:15,018 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:15,019 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 [2022-12-14 11:12:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:15,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:15,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:15,944 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:12:15,944 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 [2022-12-14 11:12:16,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:16,432 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:16,432 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 [2022-12-14 11:12:16,909 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 [2022-12-14 11:12:17,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:17,473 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:17,473 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 [2022-12-14 11:12:18,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:18,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:18,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:18,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:18,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:18,644 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:12:18,644 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 [2022-12-14 11:12:19,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:19,325 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:19,325 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 [2022-12-14 11:12:19,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:19,851 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:12:19,851 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 [2022-12-14 11:12:21,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:21,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:21,082 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-12-14 11:12:21,082 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 [2022-12-14 11:12:21,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:21,864 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:21,864 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 [2022-12-14 11:12:22,217 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:12:22,217 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 [2022-12-14 11:12:30,951 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 [2022-12-14 11:12:31,154 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 [2022-12-14 11:12:32,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:32,299 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:32,300 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 [2022-12-14 11:12:32,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:32,644 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:32,645 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 [2022-12-14 11:12:33,492 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 [2022-12-14 11:12:33,660 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 [2022-12-14 11:12:33,901 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 [2022-12-14 11:12:34,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:34,428 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:34,429 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 [2022-12-14 11:12:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:35,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:35,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:35,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:35,451 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:12:35,452 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 [2022-12-14 11:12:35,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:35,934 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:35,935 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 [2022-12-14 11:12:36,473 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 [2022-12-14 11:12:37,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:37,041 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:37,042 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 [2022-12-14 11:12:38,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:38,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:12:38,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:38,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:38,217 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:12:38,217 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 [2022-12-14 11:12:38,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:38,761 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:38,761 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 [2022-12-14 11:12:39,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:39,412 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:12:39,412 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 [2022-12-14 11:12:40,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:40,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:40,740 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 11:12:40,740 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 [2022-12-14 11:12:41,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:12:41,381 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:12:41,382 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 [2022-12-14 11:12:41,778 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:12:41,778 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 [2022-12-14 11:12:57,276 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 11:12:57,277 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:13:06,846 WARN L233 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 634 DAG size of output: 458 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:13:19,885 WARN L233 SmtUtils]: Spent 12.68s on a formula simplification. DAG size of input: 550 DAG size of output: 518 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:13:31,487 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:13:40,191 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4871#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#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_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#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_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 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|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |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_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#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|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#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|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#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|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-12-14 11:13:40,192 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:13:40,192 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:13:40,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 7] total 19 [2022-12-14 11:13:40,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564935727] [2022-12-14 11:13:40,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:13:40,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-14 11:13:40,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:13:40,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-14 11:13:40,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=1353, Unknown=0, NotChecked=0, Total=1560 [2022-12-14 11:13:40,193 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) [2022-12-14 11:13:40,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:13:40,556 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2022-12-14 11:13:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 11:13:40,556 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 [2022-12-14 11:13:40,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:13:40,556 INFO L225 Difference]: With dead ends: 103 [2022-12-14 11:13:40,556 INFO L226 Difference]: Without dead ends: 58 [2022-12-14 11:13:40,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 43.1s TimeCoverageRelationStatistics Valid=227, Invalid=1495, Unknown=0, NotChecked=0, Total=1722 [2022-12-14 11:13:40,557 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:13:40,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:13:40,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-14 11:13:40,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-12-14 11:13:40,562 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) [2022-12-14 11:13:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-12-14 11:13:40,562 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 70 [2022-12-14 11:13:40,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:13:40,563 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-12-14 11:13:40,563 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) [2022-12-14 11:13:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-12-14 11:13:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 11:13:40,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:13:40,563 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] [2022-12-14 11:13:40,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 11:13:40,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 11:13:40,765 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:13:40,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:13:40,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1212447786, now seen corresponding path program 4 times [2022-12-14 11:13:40,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:13:40,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298683710] [2022-12-14 11:13:40,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:13:40,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:13:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:13:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-12-14 11:13:41,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:13:41,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298683710] [2022-12-14 11:13:41,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298683710] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:13:41,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536462409] [2022-12-14 11:13:41,518 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 11:13:41,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:13:41,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:13:41,519 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:13:41,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 11:13:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:13:41,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-14 11:13:41,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:13:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-12-14 11:13:42,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:13:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-12-14 11:13:42,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536462409] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:13:42,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [411228041] [2022-12-14 11:13:42,273 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 11:13:42,273 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:13:42,273 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:13:42,273 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:13:42,273 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:13:42,292 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 [2022-12-14 11:13:42,301 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 [2022-12-14 11:13:42,325 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 [2022-12-14 11:13:42,436 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 11:13:42,437 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 [2022-12-14 11:13:42,594 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 [2022-12-14 11:13:42,613 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 [2022-12-14 11:13:42,620 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 [2022-12-14 11:13:42,647 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 [2022-12-14 11:13:42,759 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 [2022-12-14 11:13:42,813 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 41 treesize of output 37 [2022-12-14 11:13:44,642 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 [2022-12-14 11:13:44,701 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 [2022-12-14 11:13:44,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:44,930 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:13:44,930 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 [2022-12-14 11:13:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:13:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:13:45,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:45,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:45,429 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:13:45,430 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 [2022-12-14 11:13:45,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:45,717 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:13:45,718 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 [2022-12-14 11:13:46,604 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 [2022-12-14 11:13:46,756 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 [2022-12-14 11:13:46,869 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 [2022-12-14 11:13:47,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:47,418 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:13:47,418 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 [2022-12-14 11:13:48,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:13:48,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:13:48,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:48,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:48,365 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:13:48,365 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 [2022-12-14 11:13:48,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:48,885 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:13:48,885 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 [2022-12-14 11:13:49,380 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 [2022-12-14 11:13:49,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:49,955 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:13:49,955 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 [2022-12-14 11:13:51,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:13:51,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:13:51,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:13:51,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:51,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:51,148 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:13:51,149 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 [2022-12-14 11:13:51,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:51,776 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:13:51,776 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 [2022-12-14 11:13:52,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:52,397 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:13:52,397 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 [2022-12-14 11:13:53,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:13:53,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:13:53,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:53,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:53,719 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:13:53,720 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 [2022-12-14 11:13:54,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:13:54,387 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:13:54,387 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 [2022-12-14 11:13:54,735 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:13:54,735 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 [2022-12-14 11:14:03,184 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 [2022-12-14 11:14:03,316 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 [2022-12-14 11:14:04,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:04,101 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:04,102 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 [2022-12-14 11:14:04,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:04,765 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:04,766 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 [2022-12-14 11:14:05,656 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 [2022-12-14 11:14:05,808 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 [2022-12-14 11:14:06,052 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 [2022-12-14 11:14:06,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:06,533 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:06,534 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 [2022-12-14 11:14:07,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:07,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:07,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:07,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:07,562 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:14:07,562 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 [2022-12-14 11:14:07,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:08,019 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:08,019 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 [2022-12-14 11:14:08,569 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 [2022-12-14 11:14:09,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:09,094 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:09,094 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 [2022-12-14 11:14:10,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:10,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:10,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:10,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:10,244 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:14:10,244 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 [2022-12-14 11:14:10,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:10,863 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:10,863 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 [2022-12-14 11:14:11,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:11,420 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:14:11,420 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 [2022-12-14 11:14:12,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:12,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:12,718 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 11:14:12,718 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 [2022-12-14 11:14:13,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:13,430 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:13,430 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 [2022-12-14 11:14:13,775 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:14:13,775 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 [2022-12-14 11:14:22,594 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 [2022-12-14 11:14:22,803 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 [2022-12-14 11:14:23,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:23,943 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:23,943 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 [2022-12-14 11:14:24,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:24,285 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:24,285 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 [2022-12-14 11:14:25,080 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 [2022-12-14 11:14:25,399 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 [2022-12-14 11:14:25,509 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 [2022-12-14 11:14:26,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:26,025 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:26,026 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 [2022-12-14 11:14:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:27,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:27,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:27,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:27,028 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:14:27,028 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 [2022-12-14 11:14:27,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:27,505 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:27,506 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 [2022-12-14 11:14:27,957 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 [2022-12-14 11:14:28,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:28,485 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:28,485 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 [2022-12-14 11:14:29,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:29,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:29,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:29,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:29,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:29,716 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:14:29,716 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 [2022-12-14 11:14:30,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:30,415 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:30,415 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 [2022-12-14 11:14:30,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:31,020 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:31,020 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 [2022-12-14 11:14:32,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:32,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:14:32,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:32,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:32,255 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:14:32,255 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 [2022-12-14 11:14:32,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:14:32,977 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:14:32,977 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 [2022-12-14 11:14:33,311 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:14:33,312 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 [2022-12-14 11:14:48,773 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 11:14:48,774 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:14:56,593 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:15:06,506 WARN L233 SmtUtils]: Spent 9.40s on a formula simplification. DAG size of input: 550 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:15:18,201 WARN L233 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:15:26,713 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5639#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#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_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#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_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 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|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |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_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#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|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#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|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#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|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-12-14 11:15:26,713 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:15:26,713 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:15:26,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 18] total 27 [2022-12-14 11:15:26,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021935017] [2022-12-14 11:15:26,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:15:26,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-14 11:15:26,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:15:26,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-14 11:15:26,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=2018, Unknown=0, NotChecked=0, Total=2256 [2022-12-14 11:15:26,716 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) [2022-12-14 11:15:29,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:15:29,387 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2022-12-14 11:15:29,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 11:15:29,387 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 [2022-12-14 11:15:29,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:15:29,388 INFO L225 Difference]: With dead ends: 108 [2022-12-14 11:15:29,388 INFO L226 Difference]: Without dead ends: 59 [2022-12-14 11:15:29,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 38.8s TimeCoverageRelationStatistics Valid=308, Invalid=2662, Unknown=0, NotChecked=0, Total=2970 [2022-12-14 11:15:29,389 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 152 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:15:29,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 280 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 11:15:29,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-12-14 11:15:29,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-12-14 11:15:29,399 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) [2022-12-14 11:15:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-12-14 11:15:29,400 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 75 [2022-12-14 11:15:29,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:15:29,400 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2022-12-14 11:15:29,400 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) [2022-12-14 11:15:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2022-12-14 11:15:29,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 11:15:29,401 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:15:29,401 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] [2022-12-14 11:15:29,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-14 11:15:29,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 11:15:29,603 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:15:29,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:15:29,604 INFO L85 PathProgramCache]: Analyzing trace with hash -61259807, now seen corresponding path program 5 times [2022-12-14 11:15:29,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:15:29,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610390666] [2022-12-14 11:15:29,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:15:29,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:15:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:15:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-14 11:15:30,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:15:30,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610390666] [2022-12-14 11:15:30,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610390666] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:15:30,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120347428] [2022-12-14 11:15:30,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:15:30,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:15:30,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:15:30,268 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:15:30,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 11:16:10,606 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 11:16:10,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:16:10,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 11:16:10,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:16:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 11:16:10,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:16:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-14 11:16:10,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120347428] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:16:10,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [202443408] [2022-12-14 11:16:10,690 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 11:16:10,690 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:16:10,690 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:16:10,690 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:16:10,690 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:16:10,708 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 [2022-12-14 11:16:10,715 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 [2022-12-14 11:16:10,729 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 [2022-12-14 11:16:10,814 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 11:16:10,814 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 [2022-12-14 11:16:10,990 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 [2022-12-14 11:16:11,014 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 [2022-12-14 11:16:11,022 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 [2022-12-14 11:16:11,040 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 [2022-12-14 11:16:11,130 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 [2022-12-14 11:16:11,221 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 [2022-12-14 11:16:13,171 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 [2022-12-14 11:16:13,212 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 [2022-12-14 11:16:13,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:13,429 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:13,429 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 [2022-12-14 11:16:13,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:13,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:13,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:13,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:13,994 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:16:13,994 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 [2022-12-14 11:16:14,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:14,252 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:14,253 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 [2022-12-14 11:16:15,252 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 [2022-12-14 11:16:15,325 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 [2022-12-14 11:16:15,477 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 [2022-12-14 11:16:16,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:16,031 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:16,031 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 [2022-12-14 11:16:16,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:16,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:16,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:16,969 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:16:16,969 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 [2022-12-14 11:16:17,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:17,469 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:17,469 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 [2022-12-14 11:16:17,966 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 [2022-12-14 11:16:18,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:18,650 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:18,650 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 [2022-12-14 11:16:19,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:19,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:19,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:19,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:19,761 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:16:19,761 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 [2022-12-14 11:16:20,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:20,431 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:20,431 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 [2022-12-14 11:16:20,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:21,003 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:21,003 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 [2022-12-14 11:16:22,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:22,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:22,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:22,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:22,313 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:16:22,313 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 [2022-12-14 11:16:22,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:22,874 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:22,874 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 [2022-12-14 11:16:23,316 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:16:23,316 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 [2022-12-14 11:16:31,845 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 [2022-12-14 11:16:32,014 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 [2022-12-14 11:16:33,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:33,173 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:33,173 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 [2022-12-14 11:16:33,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:33,526 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:33,526 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 [2022-12-14 11:16:34,401 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 [2022-12-14 11:16:34,538 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 [2022-12-14 11:16:34,642 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 [2022-12-14 11:16:35,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:35,280 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:35,281 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 [2022-12-14 11:16:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:36,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:36,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:36,244 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:16:36,244 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 [2022-12-14 11:16:36,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:36,723 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:36,724 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 [2022-12-14 11:16:37,138 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 [2022-12-14 11:16:37,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:37,706 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:37,706 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 [2022-12-14 11:16:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:38,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:38,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:38,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:38,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:38,920 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:16:38,920 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 [2022-12-14 11:16:39,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:39,546 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:39,546 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 [2022-12-14 11:16:40,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:40,144 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:40,144 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 [2022-12-14 11:16:41,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:41,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:41,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:41,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:41,415 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:16:41,415 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 [2022-12-14 11:16:41,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:41,956 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:41,956 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 [2022-12-14 11:16:42,455 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:16:42,455 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 [2022-12-14 11:16:50,933 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 [2022-12-14 11:16:51,110 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 [2022-12-14 11:16:52,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:52,216 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:52,216 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 [2022-12-14 11:16:52,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:52,561 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:52,562 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 [2022-12-14 11:16:53,338 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 [2022-12-14 11:16:53,418 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 [2022-12-14 11:16:53,572 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 [2022-12-14 11:16:54,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:54,249 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:54,249 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 [2022-12-14 11:16:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:55,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:55,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:55,232 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:16:55,232 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 [2022-12-14 11:16:55,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:55,784 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:55,784 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 27 treesize of output 27 [2022-12-14 11:16:56,329 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 [2022-12-14 11:16:56,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:56,739 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:56,739 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 [2022-12-14 11:16:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:57,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:57,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:16:57,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:57,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:57,995 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:16:57,995 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 [2022-12-14 11:16:58,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:58,557 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:58,557 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 [2022-12-14 11:16:59,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:16:59,102 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:16:59,102 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 [2022-12-14 11:17:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:17:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:17:00,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:17:00,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:17:00,446 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:17:00,446 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 [2022-12-14 11:17:01,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:17:01,037 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:17:01,037 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 [2022-12-14 11:17:01,500 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:17:01,501 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 [2022-12-14 11:17:16,996 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 11:17:16,997 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:17:24,353 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:17:33,494 WARN L233 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 550 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:17:45,120 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:17:53,053 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6421#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#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_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#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_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 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|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |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_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#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|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#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|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#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|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-12-14 11:17:53,053 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:17:53,053 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:17:53,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 13 [2022-12-14 11:17:53,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721131423] [2022-12-14 11:17:53,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:17:53,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 11:17:53,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:17:53,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 11:17:53,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=949, Unknown=0, NotChecked=0, Total=1122 [2022-12-14 11:17:53,055 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 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) [2022-12-14 11:17:53,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:17:53,321 INFO L93 Difference]: Finished difference Result 91 states and 117 transitions. [2022-12-14 11:17:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 11:17:53,322 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 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 76 [2022-12-14 11:17:53,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:17:53,322 INFO L225 Difference]: With dead ends: 91 [2022-12-14 11:17:53,322 INFO L226 Difference]: Without dead ends: 63 [2022-12-14 11:17:53,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 36.1s TimeCoverageRelationStatistics Valid=179, Invalid=1011, Unknown=0, NotChecked=0, Total=1190 [2022-12-14 11:17:53,323 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 11:17:53,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 11:17:53,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-12-14 11:17:53,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-14 11:17:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 51 states have internal predecessors, (57), 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) [2022-12-14 11:17:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-12-14 11:17:53,330 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 76 [2022-12-14 11:17:53,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:17:53,330 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2022-12-14 11:17:53,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 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) [2022-12-14 11:17:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-12-14 11:17:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 11:17:53,331 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:17:53,331 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 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] [2022-12-14 11:17:53,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-14 11:17:53,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:17:53,533 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:17:53,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:17:53,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1724076606, now seen corresponding path program 6 times [2022-12-14 11:17:53,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:17:53,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028558579] [2022-12-14 11:17:53,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:17:53,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:17:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:17:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-14 11:17:54,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:17:54,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028558579] [2022-12-14 11:17:54,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028558579] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:17:54,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179653081] [2022-12-14 11:17:54,202 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 11:17:54,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:17:54,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:17:54,202 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:17:54,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-14 11:17:54,780 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 11:17:54,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:17:54,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 11:17:54,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:17:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 62 proven. 48 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 11:17:54,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:17:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-14 11:17:54,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179653081] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:17:54,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1210709617] [2022-12-14 11:17:54,963 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 11:17:54,963 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:17:54,964 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:17:54,964 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:17:54,964 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:17:54,985 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 [2022-12-14 11:17:54,994 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 [2022-12-14 11:17:55,010 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 [2022-12-14 11:17:55,118 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 11:17:55,118 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 316 treesize of output 323 [2022-12-14 11:17:55,323 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 [2022-12-14 11:17:55,343 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 [2022-12-14 11:17:55,353 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 [2022-12-14 11:17:55,371 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 [2022-12-14 11:17:55,463 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 [2022-12-14 11:17:55,537 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 [2022-12-14 11:17:57,348 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 [2022-12-14 11:17:57,395 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 [2022-12-14 11:17:57,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:17:57,673 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:17:57,673 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 [2022-12-14 11:17:58,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:17:58,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:17:58,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:17:58,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:17:58,203 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:17:58,203 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 [2022-12-14 11:17:58,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:17:58,512 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:17:58,513 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 [2022-12-14 11:17:59,333 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 [2022-12-14 11:17:59,667 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 [2022-12-14 11:17:59,799 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 [2022-12-14 11:18:00,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:00,237 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:00,237 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 [2022-12-14 11:18:01,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:01,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:01,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:01,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:01,245 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:18:01,245 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 [2022-12-14 11:18:01,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:01,783 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:01,783 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 [2022-12-14 11:18:02,274 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 [2022-12-14 11:18:02,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:02,808 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:02,808 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 [2022-12-14 11:18:04,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:04,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:04,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:04,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:04,041 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:04,062 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:18:04,062 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 [2022-12-14 11:18:04,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:04,597 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:04,597 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 [2022-12-14 11:18:05,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:05,151 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:18:05,151 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 [2022-12-14 11:18:06,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:06,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:06,785 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 11:18:06,785 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 [2022-12-14 11:18:07,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:07,484 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:07,484 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 [2022-12-14 11:18:07,883 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:18:07,883 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 [2022-12-14 11:18:16,498 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 [2022-12-14 11:18:16,669 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 [2022-12-14 11:18:17,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:17,788 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:17,788 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 [2022-12-14 11:18:18,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:18,094 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:18,094 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 [2022-12-14 11:18:18,913 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 [2022-12-14 11:18:19,039 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 [2022-12-14 11:18:19,154 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 [2022-12-14 11:18:19,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:19,853 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:19,853 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 [2022-12-14 11:18:20,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:20,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:20,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:20,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:20,878 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:18:20,878 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 [2022-12-14 11:18:21,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:21,366 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:21,366 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 [2022-12-14 11:18:21,841 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 [2022-12-14 11:18:22,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:22,409 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:22,409 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 [2022-12-14 11:18:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:23,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:23,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:23,751 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:18:23,751 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 [2022-12-14 11:18:24,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:24,298 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:24,298 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 [2022-12-14 11:18:24,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:24,884 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:18:24,885 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 [2022-12-14 11:18:26,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:26,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:26,189 INFO L321 Elim1Store]: treesize reduction 94, result has 36.5 percent of original size [2022-12-14 11:18:26,189 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 [2022-12-14 11:18:26,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:26,842 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:26,843 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 [2022-12-14 11:18:27,202 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:18:27,202 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 [2022-12-14 11:18:36,443 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 [2022-12-14 11:18:36,498 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 [2022-12-14 11:18:37,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:37,619 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:37,619 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 [2022-12-14 11:18:37,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:37,924 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:37,924 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 [2022-12-14 11:18:38,748 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 [2022-12-14 11:18:38,907 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 [2022-12-14 11:18:39,134 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 [2022-12-14 11:18:39,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:39,833 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:39,833 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 [2022-12-14 11:18:40,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:40,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:40,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:40,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:40,864 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:18:40,864 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 [2022-12-14 11:18:41,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:41,396 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:41,397 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 [2022-12-14 11:18:41,955 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 [2022-12-14 11:18:42,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:42,459 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:42,459 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 [2022-12-14 11:18:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:44,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:44,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:44,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:44,110 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:18:44,111 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 [2022-12-14 11:18:44,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:44,768 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:44,768 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 [2022-12-14 11:18:45,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:45,306 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:45,306 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 [2022-12-14 11:18:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:18:46,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:46,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:46,656 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:18:46,656 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 [2022-12-14 11:18:47,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:18:47,227 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:18:47,227 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 [2022-12-14 11:18:47,653 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:18:47,653 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 [2022-12-14 11:19:03,353 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 11:19:03,354 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:19:11,700 WARN L233 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:19:21,218 WARN L233 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 550 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:19:34,418 WARN L233 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 431 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:19:42,874 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7203#(and (<= 0 |ULTIMATE.start_main_~var_99~0#1|) (<= 1 |ULTIMATE.start_main_~init_110_arg_1~0#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_100_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_104~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_107~0#1|) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~var_79~0#1| 1) (<= 31 |ULTIMATE.start_main_~mask_SORT_36~0#1|) (<= |ULTIMATE.start_main_~var_118_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_57~0#1|) (<= |ULTIMATE.start_main_~var_107~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_142_arg_0~0#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_108~0#1| 0) (<= |ULTIMATE.start_main_~var_228~0#1| 2) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_105_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_181~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_75~0#1|) (<= 0 |ULTIMATE.start_main_~i~1#1|) (<= |ULTIMATE.start_main_~var_99~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~msb_SORT_227~0#1| 2147483648) (<= |ULTIMATE.start_main_~#state_14~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_142_arg_0~0#1| 1) (<= 16 |ULTIMATE.start_main_~msb_SORT_36~0#1|) (<= 0 |ULTIMATE.start_main_~var_88~0#1|) (<= |ULTIMATE.start_main_~var_105_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_115_arg_0~0#1| 1) (<= 128 |ULTIMATE.start_main_~msb_SORT_11~0#1|) (<= |ULTIMATE.start_main_~var_76_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_57~0#1| 1) (or (and (<= 1 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~state_109~0#1|) (<= 1 |ULTIMATE.start_main_~var_111_arg_0~0#1|)) (and (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_436~0#1| 1) (<= |ULTIMATE.start_main_~var_415~0#1| 1) (<= |ULTIMATE.start_main_~var_419_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_211~0#1|) (<= |ULTIMATE.start_main_~var_415_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_150_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_448_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_415~0#1|) (<= 0 |ULTIMATE.start_main_~var_206~0#1|) (<= |ULTIMATE.start_main_~var_448_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_199_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_150_arg_0~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_111_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_211~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_216~0#1|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_435_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_416_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_406_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_206~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_419_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_437_arg_2~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_212_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_431_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_428_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_414_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437~0#1.base|) (<= |ULTIMATE.start_main_~var_445_arg_1~0#1| 0) (<= 1 |ULTIMATE.start_main_~var_442_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_425_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416_arg_2~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_182_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~i~2#1|) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_207_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~var_111_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_428_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_140_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_406_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_433_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_433_arg_1~0#1| 255) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_435_arg_0~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_2~0#1.offset|) (<= |ULTIMATE.start_main_~var_410_arg_0~0#1| 255) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_416_arg_1~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~next_438_arg_1~0#1.offset| 0) (<= |ULTIMATE.start_main_~state_109~0#1| 0) (<= |ULTIMATE.start_main_~var_212_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_437~0#1.offset|) (<= |ULTIMATE.start_main_~next_453_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_140_arg_0~0#1| 0) (<= |ULTIMATE.start_main_~var_416~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_416_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_445_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_440_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_47_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_437_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_403_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_431_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_443_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_416~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_422_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_216~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_440_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_436_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_18_arg_0~0#1.base|) (<= 0 |ULTIMATE.start_main_~var_430_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_422_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_416_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_451_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_430_arg_0~0#1.offset| 0) (<= 255 |ULTIMATE.start_main_~var_412_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_182_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_453_arg_1~0#1|) (<= 255 |ULTIMATE.start_main_~var_415_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_47_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~next_417_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_409_arg_0~0#1.base|) (<= |ULTIMATE.start_main_~var_437~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~var_437_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_409_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_421_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_425_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_207_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_421_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= |ULTIMATE.start_main_~var_18_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_436_arg_0~0#1| 255) (<= 255 |ULTIMATE.start_main_~var_410_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_412_arg_1~0#1| 255) (<= |ULTIMATE.start_main_~var_442_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~state_109~0#1|) (<= 0 |ULTIMATE.start_main_~var_436~0#1|) (<= 0 |ULTIMATE.start_main_~next_438_arg_1~0#1.base|) (<= |ULTIMATE.start_main_~var_443_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_451_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~var_414_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_437_arg_1~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start_main_~var_416_arg_2~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_403_arg_1~0#1| 0) (<= 0 |ULTIMATE.start_main_~next_417_arg_1~0#1.base|) (<= 0 |ULTIMATE.start_main_~i~4#1|) (<= |ULTIMATE.start_main_~var_199_arg_1~0#1| 0))) (<= 0 |ULTIMATE.start_main_~var_89_arg_1~0#1|) (<= 4 |ULTIMATE.start_main_~msb_SORT_12~0#1|) (<= |ULTIMATE.start_main_~var_98_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_137_arg_0~0#1| 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|) (<= 1 |ULTIMATE.start_main_~var_130_arg_0~0#1|) (<= (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1) 0) (<= |ULTIMATE.start_main_~var_58_arg_1~0#1| 1) (<= |#NULL.offset| 0) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (<= |ULTIMATE.start_main_~var_111_arg_2~0#1| 1) (<= |ULTIMATE.start_main_~var_29~0#1| 1) (<= |ULTIMATE.start_main_~var_80_arg_1~0#1| 1) (<= 32 |ULTIMATE.start_main_~msb_SORT_38~0#1|) (<= |ULTIMATE.start_main_~var_141_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.base|) (<= 64 |ULTIMATE.start_main_~msb_SORT_40~0#1|) (<= |ULTIMATE.start_main_~state_109~0#1| 1) (<= 2 |ULTIMATE.start_main_~var_228~0#1|) (<= 8 |ULTIMATE.start_main_~var_27~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_12~0#1| 4) (<= |ULTIMATE.start_main_~var_75~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_124_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_76_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_181~0#1|) (<= 1 |ULTIMATE.start_main_~mask_SORT_1~0#1|) (<= 15 |ULTIMATE.start_main_~mask_SORT_15~0#1|) (<= |ULTIMATE.start_main_~var_89_arg_1~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_140~0#1|) (<= |ULTIMATE.start_main_~var_80_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~init_110_arg_1~0#1| 1) (<= |ULTIMATE.start_main_~msb_SORT_40~0#1| 64) (<= |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_97~0#1| 0) (<= |ULTIMATE.start_main_~mask_SORT_38~0#1| 63) (<= 1 |ULTIMATE.start_main_~var_141_arg_0~0#1|) (<= 0 |ULTIMATE.start_main_~var_100_arg_0~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_38~0#1| 32) (<= 0 (+ |ULTIMATE.start_main_~mask_SORT_227~0#1| 1)) (<= |ULTIMATE.start_main_~var_24_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_104~0#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|) (<= 0 |ULTIMATE.start_main_~var_76_arg_0~0#1|) (<= 7 |ULTIMATE.start_main_~mask_SORT_12~0#1|) (<= 0 |ULTIMATE.start_main_~var_80_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_111_arg_1~0#1| 0) (<= |ULTIMATE.start_main_~var_124_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_98_arg_1~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_36~0#1| 16) (<= 255 |ULTIMATE.start_main_~mask_SORT_11~0#1|) (<= 2147483648 |ULTIMATE.start_main_~msb_SORT_227~0#1|) (<= 255 |ULTIMATE.start_main_~var_408~0#1|) (<= |ULTIMATE.start_main_~var_23~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.offset|) (<= |ULTIMATE.start_main_~var_130_arg_0~0#1| 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~var_80_arg_0~0#1|) (<= |ULTIMATE.start_main_~var_21_arg_0~0#1.offset| 0) (<= |ULTIMATE.start_main_~var_140~0#1| 1) (<= |ULTIMATE.start_main_~var_121_arg_0~0#1| 1) (<= |ULTIMATE.start_main_~var_52~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_111_arg_1~0#1|) (<= 0 |ULTIMATE.start_main_~var_115_arg_0~0#1|) (<= 65535 |ULTIMATE.start_main_~mask_SORT_3~0#1|) (<= 0 |ULTIMATE.start_main_~var_97~0#1|) (<= 1 |ULTIMATE.start_main_~msb_SORT_1~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_11~0#1| 255) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~var_50_arg_0~0#1.base|) (<= 1 |ULTIMATE.start_main_~var_137_arg_0~0#1|) (<= 1 |ULTIMATE.start_main_~var_118_arg_0~0#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|) (<= |ULTIMATE.start_main_~msb_SORT_15~0#1| 8) (<= 0 |ULTIMATE.start_main_~var_108~0#1|) (<= 0 |#NULL.offset|) (<= 0 |ULTIMATE.start_main_~var_79~0#1|) (<= |ULTIMATE.start_main_~msb_SORT_1~0#1| 1) (<= |ULTIMATE.start_main_~var_408~0#1| 255) (<= 8 |ULTIMATE.start_main_~msb_SORT_15~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_3~0#1| 65535) (<= 0 |ULTIMATE.start_main_~#state_14~0#1.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~var_76_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_58_arg_1~0#1|) (<= |ULTIMATE.start_main_~var_53_arg_0~0#1| 1) (<= 0 |ULTIMATE.start_main_~var_21_arg_0~0#1.offset|) (<= 0 |ULTIMATE.start_main_~var_121_arg_0~0#1|) (<= |ULTIMATE.start_main_~mask_SORT_1~0#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|) (<= |ULTIMATE.start_main_~var_88~0#1| 1) (<= 1 |ULTIMATE.start_main_~var_111_arg_2~0#1|))' at error location [2022-12-14 11:19:42,875 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 11:19:42,875 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 11:19:42,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 8] total 21 [2022-12-14 11:19:42,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597917313] [2022-12-14 11:19:42,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 11:19:42,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 11:19:42,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:19:42,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 11:19:42,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1502, Unknown=0, NotChecked=0, Total=1722 [2022-12-14 11:19:42,876 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 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) [2022-12-14 11:19:43,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:19:43,611 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2022-12-14 11:19:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 11:19:43,611 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 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 80 [2022-12-14 11:19:43,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:19:43,612 INFO L225 Difference]: With dead ends: 98 [2022-12-14 11:19:43,612 INFO L226 Difference]: Without dead ends: 66 [2022-12-14 11:19:43,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 205 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 39.7s TimeCoverageRelationStatistics Valid=231, Invalid=1575, Unknown=0, NotChecked=0, Total=1806 [2022-12-14 11:19:43,613 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 11:19:43,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 11:19:43,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-14 11:19:43,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-12-14 11:19:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 54 states have internal predecessors, (60), 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) [2022-12-14 11:19:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2022-12-14 11:19:43,625 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 80 [2022-12-14 11:19:43,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:19:43,625 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2022-12-14 11:19:43,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 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) [2022-12-14 11:19:43,625 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2022-12-14 11:19:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 11:19:43,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:19:43,626 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 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] [2022-12-14 11:19:43,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-12-14 11:19:43,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:19:43,828 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:19:43,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:19:43,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1572534031, now seen corresponding path program 7 times [2022-12-14 11:19:43,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:19:43,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021248617] [2022-12-14 11:19:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:19:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:19:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:19:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-12-14 11:19:44,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:19:44,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021248617] [2022-12-14 11:19:44,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021248617] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:19:44,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124488836] [2022-12-14 11:19:44,489 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 11:19:44,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:19:44,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:19:44,490 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:19:44,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829506a9-4739-4b17-81d5-f9b9c502a4a7/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 11:19:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:19:45,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 2204 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 11:19:45,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:19:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 62 proven. 40 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-12-14 11:19:45,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:19:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-12-14 11:19:45,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124488836] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:19:45,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [939435614] [2022-12-14 11:19:45,281 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-12-14 11:19:45,281 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:19:45,281 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:19:45,281 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:19:45,281 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:19:45,302 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 [2022-12-14 11:19:45,309 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 [2022-12-14 11:19:45,325 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 [2022-12-14 11:19:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:45,409 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 [2022-12-14 11:19:45,489 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 [2022-12-14 11:19:45,516 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 [2022-12-14 11:19:45,525 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 [2022-12-14 11:19:45,549 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 [2022-12-14 11:19:45,639 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 [2022-12-14 11:19:45,726 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 [2022-12-14 11:19:47,706 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 [2022-12-14 11:19:47,758 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 [2022-12-14 11:19:47,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:47,972 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:19:47,972 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 [2022-12-14 11:19:48,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:48,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:48,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:48,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:48,505 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:19:48,505 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 [2022-12-14 11:19:48,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:48,857 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:19:48,858 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 [2022-12-14 11:19:49,905 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 [2022-12-14 11:19:49,982 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 [2022-12-14 11:19:50,046 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 [2022-12-14 11:19:50,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:50,527 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:19:50,527 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 [2022-12-14 11:19:51,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:51,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:51,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:51,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:51,616 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:19:51,616 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 69 treesize of output 74 [2022-12-14 11:19:52,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:52,315 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:19:52,315 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 [2022-12-14 11:19:52,830 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 [2022-12-14 11:19:53,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:53,344 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:19:53,344 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 [2022-12-14 11:19:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:54,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:54,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:19:54,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:54,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:54,544 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:19:54,544 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 [2022-12-14 11:19:55,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:55,263 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:19:55,263 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 [2022-12-14 11:19:55,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:55,741 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:19:55,741 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 [2022-12-14 11:19:57,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:57,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:57,078 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 11:19:57,078 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 [2022-12-14 11:19:57,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:19:57,759 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:19:57,759 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 [2022-12-14 11:19:58,291 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:19:58,292 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 [2022-12-14 11:20:06,692 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 [2022-12-14 11:20:06,841 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 [2022-12-14 11:20:07,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:07,949 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:07,950 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 [2022-12-14 11:20:08,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:08,255 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:08,255 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 [2022-12-14 11:20:09,092 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 [2022-12-14 11:20:09,214 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 [2022-12-14 11:20:09,541 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 [2022-12-14 11:20:10,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:10,121 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:10,121 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 [2022-12-14 11:20:11,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:11,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:11,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:11,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:11,052 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:20:11,052 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 [2022-12-14 11:20:11,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:11,553 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:11,553 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 [2022-12-14 11:20:12,010 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 [2022-12-14 11:20:12,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:12,603 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:12,603 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 [2022-12-14 11:20:14,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:14,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:14,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:14,140 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:20:14,140 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 [2022-12-14 11:20:14,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:14,787 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:14,787 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 [2022-12-14 11:20:15,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:15,335 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:15,335 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 [2022-12-14 11:20:16,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:16,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:16,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:16,689 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:20:16,689 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 [2022-12-14 11:20:17,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:17,315 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:17,315 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 [2022-12-14 11:20:17,769 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:20:17,770 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 [2022-12-14 11:20:26,357 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 [2022-12-14 11:20:26,483 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 [2022-12-14 11:20:27,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:27,264 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:27,264 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 [2022-12-14 11:20:27,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:28,013 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:28,013 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 [2022-12-14 11:20:29,010 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 [2022-12-14 11:20:29,104 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 [2022-12-14 11:20:29,266 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 [2022-12-14 11:20:29,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:29,817 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:29,817 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 [2022-12-14 11:20:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:30,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:30,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:30,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:30,753 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:20:30,754 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 [2022-12-14 11:20:31,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:31,320 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:31,320 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 [2022-12-14 11:20:31,957 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 [2022-12-14 11:20:32,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:32,515 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:32,515 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 [2022-12-14 11:20:33,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:33,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:33,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:20:33,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:33,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:33,704 INFO L321 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-12-14 11:20:33,704 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 [2022-12-14 11:20:34,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:34,235 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:34,236 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 [2022-12-14 11:20:34,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:34,851 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 11:20:34,851 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 [2022-12-14 11:20:36,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:36,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:36,123 INFO L321 Elim1Store]: treesize reduction 104, result has 29.7 percent of original size [2022-12-14 11:20:36,123 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 [2022-12-14 11:20:36,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:20:36,777 INFO L321 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-12-14 11:20:36,778 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 [2022-12-14 11:20:37,295 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 11:20:37,295 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 [2022-12-14 11:20:52,719 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 10 for LOIs [2022-12-14 11:20:52,720 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 11:21:00,505 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 634 DAG size of output: 454 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 11:21:10,342 WARN L233 SmtUtils]: Spent 9.47s on a formula simplification. DAG size of input: 550 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)