./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/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_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/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 32bit --witnessprinter.graph.data.programhash 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a --- 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 07:53:56,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:53:56,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:53:56,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:53:56,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:53:56,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:53:56,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:53:56,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:53:56,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:53:56,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:53:56,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:53:56,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:53:56,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:53:56,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:53:56,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:53:56,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:53:56,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:53:56,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:53:56,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:53:56,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:53:56,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:53:56,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:53:56,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:53:56,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:53:56,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:53:56,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:53:56,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:53:56,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:53:56,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:53:56,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:53:56,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:53:56,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:53:56,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:53:56,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:53:56,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:53:56,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:53:56,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:53:56,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:53:56,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:53:56,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:53:56,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:53:56,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:53:56,958 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:53:56,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:53:56,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:53:56,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:53:56,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:53:56,959 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:53:56,959 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:53:56,959 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:53:56,960 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:53:56,960 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:53:56,960 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:53:56,960 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:53:56,960 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:53:56,960 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:53:56,961 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:53:56,961 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:53:56,961 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:53:56,961 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:53:56,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:53:56,962 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:53:56,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:53:56,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:53:56,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:53:56,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:53:56,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:53:56,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:53:56,963 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:53:56,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:53:56,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:53:56,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:53:56,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:53:56,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:53:56,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:53:56,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:53:56,964 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:53:56,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:53:56,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:53:56,965 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:53:56,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:53:56,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:53:56,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:53:56,965 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_70f40b92-0347-4048-8fb3-63e7987f0018/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a [2022-12-14 07:53:57,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:53:57,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:53:57,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:53:57,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:53:57,179 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:53:57,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-12-14 07:53:59,860 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:54:00,005 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:54:00,006 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-12-14 07:54:00,011 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/data/b64e3eb3f/f9369cd1241342bcbf06c8a4d9fe9e0d/FLAGc8ef7f233 [2022-12-14 07:54:00,023 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/data/b64e3eb3f/f9369cd1241342bcbf06c8a4d9fe9e0d [2022-12-14 07:54:00,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:54:00,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:54:00,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:54:00,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:54:00,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:54:00,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9a7a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00, skipping insertion in model container [2022-12-14 07:54:00,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:54:00,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:54:00,186 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_70f40b92-0347-4048-8fb3-63e7987f0018/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-12-14 07:54:00,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:54:00,207 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:54:00,217 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_70f40b92-0347-4048-8fb3-63e7987f0018/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-12-14 07:54:00,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:54:00,231 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:54:00,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00 WrapperNode [2022-12-14 07:54:00,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:54:00,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:54:00,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:54:00,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:54:00,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,256 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-12-14 07:54:00,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:54:00,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:54:00,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:54:00,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:54:00,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,272 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:54:00,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:54:00,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:54:00,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:54:00,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (1/1) ... [2022-12-14 07:54:00,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:54:00,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:00,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:54:00,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:54:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:54:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:54:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:54:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:54:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:54:00,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:54:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:54:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:54:00,391 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:54:00,392 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:54:00,496 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:54:00,521 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:54:00,521 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 07:54:00,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:54:00 BoogieIcfgContainer [2022-12-14 07:54:00,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:54:00,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:54:00,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:54:00,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:54:00,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:54:00" (1/3) ... [2022-12-14 07:54:00,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8a0a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:54:00, skipping insertion in model container [2022-12-14 07:54:00,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:00" (2/3) ... [2022-12-14 07:54:00,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8a0a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:54:00, skipping insertion in model container [2022-12-14 07:54:00,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:54:00" (3/3) ... [2022-12-14 07:54:00,529 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_strcpy_ground-1.i [2022-12-14 07:54:00,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:54:00,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:54:00,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:54:00,584 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;@e598edf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:54:00,584 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:54:00,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 07:54:00,592 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:00,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:00,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:00,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:00,597 INFO L85 PathProgramCache]: Analyzing trace with hash -583452026, now seen corresponding path program 1 times [2022-12-14 07:54:00,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:00,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081876537] [2022-12-14 07:54:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:00,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:54:00,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:00,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081876537] [2022-12-14 07:54:00,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081876537] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:54:00,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:54:00,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:54:00,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559869673] [2022-12-14 07:54:00,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:54:00,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:54:00,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:00,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:54:00,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:54:00,735 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:00,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:00,756 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-12-14 07:54:00,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:54:00,758 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 07:54:00,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:00,763 INFO L225 Difference]: With dead ends: 18 [2022-12-14 07:54:00,763 INFO L226 Difference]: Without dead ends: 10 [2022-12-14 07:54:00,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:54:00,768 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:00,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:54:00,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-12-14 07:54:00,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-12-14 07:54:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-12-14 07:54:00,790 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2022-12-14 07:54:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:00,790 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-12-14 07:54:00,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-12-14 07:54:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 07:54:00,790 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:00,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:00,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:54:00,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:00,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:00,791 INFO L85 PathProgramCache]: Analyzing trace with hash 117723461, now seen corresponding path program 1 times [2022-12-14 07:54:00,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:00,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538349488] [2022-12-14 07:54:00,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:00,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:54:00,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:00,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538349488] [2022-12-14 07:54:00,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538349488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:54:00,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:54:00,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:54:00,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679537782] [2022-12-14 07:54:00,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:54:00,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:54:00,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:00,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:54:00,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:54:00,855 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:00,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:00,870 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-12-14 07:54:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:54:00,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 07:54:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:00,871 INFO L225 Difference]: With dead ends: 19 [2022-12-14 07:54:00,871 INFO L226 Difference]: Without dead ends: 11 [2022-12-14 07:54:00,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:54:00,872 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:00,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:54:00,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-14 07:54:00,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-12-14 07:54:00,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2022-12-14 07:54:00,875 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2022-12-14 07:54:00,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:00,875 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-12-14 07:54:00,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-12-14 07:54:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 07:54:00,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:00,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:00,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:54:00,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:00,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:00,877 INFO L85 PathProgramCache]: Analyzing trace with hash -903641258, now seen corresponding path program 1 times [2022-12-14 07:54:00,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:00,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394158856] [2022-12-14 07:54:00,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:00,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:54:00,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:00,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394158856] [2022-12-14 07:54:00,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394158856] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:00,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664341514] [2022-12-14 07:54:00,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:00,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:00,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:00,944 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:00,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:54:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:00,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:54:01,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:01,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:54:01,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:54:01,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664341514] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:01,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1332287323] [2022-12-14 07:54:01,066 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 07:54:01,066 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:01,069 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:01,072 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:01,073 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:01,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:01,179 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:54:01,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:54:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:01,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:01,233 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:01,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:01,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:01,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 07:54:01,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:01,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:01,388 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 07:54:01,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-12-14 07:54:01,455 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 16 treesize of output 12 [2022-12-14 07:54:01,496 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:01,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1332287323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:54:01,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:01,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 3] total 11 [2022-12-14 07:54:01,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275392519] [2022-12-14 07:54:01,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:54:01,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 07:54:01,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:01,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 07:54:01,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-12-14 07:54:01,661 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:01,693 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-12-14 07:54:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:54:01,693 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 07:54:01,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:01,694 INFO L225 Difference]: With dead ends: 20 [2022-12-14 07:54:01,694 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 07:54:01,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-12-14 07:54:01,695 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:01,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:54:01,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 07:54:01,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 07:54:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-12-14 07:54:01,698 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2022-12-14 07:54:01,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:01,698 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-12-14 07:54:01,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-12-14 07:54:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 07:54:01,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:01,698 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:01,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:54:01,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:01,899 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:01,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:01,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1919282960, now seen corresponding path program 1 times [2022-12-14 07:54:01,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:01,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534770935] [2022-12-14 07:54:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:01,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:54:01,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:01,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534770935] [2022-12-14 07:54:01,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534770935] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:01,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231554759] [2022-12-14 07:54:01,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:01,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:01,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:01,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:01,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:54:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:01,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 07:54:02,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:02,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:54:02,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:54:02,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231554759] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:02,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [534434138] [2022-12-14 07:54:02,023 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 07:54:02,023 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:02,024 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:02,024 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:02,024 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:02,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:02,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:02,077 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:02,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:02,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:02,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:02,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-12-14 07:54:02,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:02,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 07:54:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:02,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:02,197 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-12-14 07:54:02,197 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 4 case distinctions, treesize of input 248 treesize of output 247 [2022-12-14 07:54:02,293 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 16 treesize of output 12 [2022-12-14 07:54:02,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:02,324 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:02,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-12-14 07:54:02,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:02,358 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:02,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:02,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:02,403 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:02,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:02,409 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:02,655 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '266#(and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 07:54:02,655 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:02,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:02,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-12-14 07:54:02,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619293291] [2022-12-14 07:54:02,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:02,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 07:54:02,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:02,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 07:54:02,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-12-14 07:54:02,657 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:02,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:02,674 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-12-14 07:54:02,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:54:02,674 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 07:54:02,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:02,675 INFO L225 Difference]: With dead ends: 26 [2022-12-14 07:54:02,675 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 07:54:02,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-12-14 07:54:02,676 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:02,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:54:02,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 07:54:02,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 07:54:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:02,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-14 07:54:02,679 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2022-12-14 07:54:02,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:02,679 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-14 07:54:02,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-14 07:54:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 07:54:02,680 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:02,680 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:02,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:54:02,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:02,882 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:02,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:02,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1343003265, now seen corresponding path program 2 times [2022-12-14 07:54:02,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:02,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391403680] [2022-12-14 07:54:02,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:02,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:54:03,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:03,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391403680] [2022-12-14 07:54:03,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391403680] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:03,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489966422] [2022-12-14 07:54:03,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:54:03,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:03,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:03,113 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:03,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:54:03,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 07:54:03,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:54:03,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 07:54:03,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:03,203 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 07:54:03,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 07:54:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 07:54:03,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:03,293 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:54:03,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 78 [2022-12-14 07:54:03,306 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-12-14 07:54:03,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18 [2022-12-14 07:54:03,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 07:54:03,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489966422] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:03,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [690691518] [2022-12-14 07:54:03,329 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-12-14 07:54:03,329 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:03,329 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:03,329 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:03,329 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:03,364 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:54:03,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:54:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:03,400 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:03,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:03,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:03,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 07:54:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:03,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:03,502 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-12-14 07:54:03,502 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 4 case distinctions, treesize of input 248 treesize of output 247 [2022-12-14 07:54:03,598 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 16 treesize of output 12 [2022-12-14 07:54:03,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:03,630 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:03,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-12-14 07:54:03,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:03,666 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:03,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:03,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:03,709 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:03,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:03,714 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:04,012 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '426#(and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 07:54:04,012 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:04,012 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:04,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2022-12-14 07:54:04,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940966061] [2022-12-14 07:54:04,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:04,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 07:54:04,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:04,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 07:54:04,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2022-12-14 07:54:04,014 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:04,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:04,165 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-12-14 07:54:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 07:54:04,166 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 07:54:04,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:04,166 INFO L225 Difference]: With dead ends: 31 [2022-12-14 07:54:04,166 INFO L226 Difference]: Without dead ends: 21 [2022-12-14 07:54:04,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2022-12-14 07:54:04,167 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 27 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:04,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 27 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:54:04,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-12-14 07:54:04,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2022-12-14 07:54:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-12-14 07:54:04,170 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 14 [2022-12-14 07:54:04,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:04,171 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-12-14 07:54:04,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 14 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-12-14 07:54:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 07:54:04,171 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:04,171 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:04,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:54:04,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:04,373 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:04,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:04,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1675846128, now seen corresponding path program 1 times [2022-12-14 07:54:04,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:04,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423051512] [2022-12-14 07:54:04,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:04,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 07:54:04,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:04,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423051512] [2022-12-14 07:54:04,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423051512] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:04,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560138913] [2022-12-14 07:54:04,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:04,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:04,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:04,503 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:04,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:54:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:04,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:54:04,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 07:54:04,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 07:54:04,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560138913] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:04,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2023716051] [2022-12-14 07:54:04,618 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:54:04,618 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:04,618 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:04,618 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:04,618 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:04,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:04,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:04,654 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:54:04,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:54:04,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:04,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:04,690 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:04,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:04,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:04,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 07:54:04,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:04,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:04,764 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 07:54:04,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-12-14 07:54:04,820 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 16 treesize of output 12 [2022-12-14 07:54:04,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:04,859 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:04,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-12-14 07:54:04,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:04,895 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:04,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:05,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:05,059 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:05,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:05,065 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:05,567 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '639#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:54:05,567 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:05,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:05,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-12-14 07:54:05,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392385676] [2022-12-14 07:54:05,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:05,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 07:54:05,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:05,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 07:54:05,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-12-14 07:54:05,568 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:05,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:05,590 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-12-14 07:54:05,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 07:54:05,591 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-12-14 07:54:05,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:05,591 INFO L225 Difference]: With dead ends: 38 [2022-12-14 07:54:05,591 INFO L226 Difference]: Without dead ends: 26 [2022-12-14 07:54:05,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-12-14 07:54:05,592 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:05,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:54:05,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-14 07:54:05,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-14 07:54:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-12-14 07:54:05,596 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 18 [2022-12-14 07:54:05,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:05,596 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-12-14 07:54:05,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-12-14 07:54:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 07:54:05,597 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:05,597 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:05,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 07:54:05,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 07:54:05,799 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:05,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:05,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1957214079, now seen corresponding path program 2 times [2022-12-14 07:54:05,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:05,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824926287] [2022-12-14 07:54:05,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:05,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 07:54:06,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:06,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824926287] [2022-12-14 07:54:06,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824926287] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:06,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876888955] [2022-12-14 07:54:06,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:54:06,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:06,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:06,030 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:06,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 07:54:06,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 07:54:06,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:54:06,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:54:06,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 07:54:06,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 07:54:06,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876888955] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:06,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [281614750] [2022-12-14 07:54:06,179 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:54:06,179 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:06,180 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:06,180 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:06,180 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:06,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:06,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:06,208 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:54:06,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:54:06,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:06,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:06,238 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:06,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:06,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:06,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 07:54:06,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:06,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:06,325 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-12-14 07:54:06,325 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 4 case distinctions, treesize of input 248 treesize of output 247 [2022-12-14 07:54:06,388 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 16 treesize of output 12 [2022-12-14 07:54:06,413 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 07:54:06,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 07:54:06,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:06,438 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:06,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:06,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:06,561 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:06,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:06,565 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:06,967 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '913#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:54:06,967 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:06,967 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:06,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 20 [2022-12-14 07:54:06,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181794970] [2022-12-14 07:54:06,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:06,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-14 07:54:06,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:06,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-14 07:54:06,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=604, Unknown=0, NotChecked=0, Total=756 [2022-12-14 07:54:06,969 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:07,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:07,140 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-12-14 07:54:07,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 07:54:07,141 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-14 07:54:07,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:07,141 INFO L225 Difference]: With dead ends: 46 [2022-12-14 07:54:07,142 INFO L226 Difference]: Without dead ends: 29 [2022-12-14 07:54:07,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=373, Invalid=1267, Unknown=0, NotChecked=0, Total=1640 [2022-12-14 07:54:07,143 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:07,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:54:07,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-14 07:54:07,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-14 07:54:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-12-14 07:54:07,149 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 25 [2022-12-14 07:54:07,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:07,149 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-12-14 07:54:07,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-12-14 07:54:07,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 07:54:07,150 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:07,150 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:07,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 07:54:07,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:07,351 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:07,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:07,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1673003798, now seen corresponding path program 3 times [2022-12-14 07:54:07,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:07,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647872310] [2022-12-14 07:54:07,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:07,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:07,570 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 07:54:07,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:07,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647872310] [2022-12-14 07:54:07,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647872310] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:07,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253717179] [2022-12-14 07:54:07,571 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 07:54:07,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:07,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:07,572 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:07,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 07:54:07,640 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 07:54:07,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:54:07,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 07:54:07,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 07:54:07,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 07:54:07,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253717179] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:07,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1065460689] [2022-12-14 07:54:07,835 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:54:07,835 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:07,836 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:07,836 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:07,836 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:07,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:07,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:07,862 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:54:07,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:54:07,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:07,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:07,893 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:07,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:07,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:07,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 07:54:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:07,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:07,959 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 07:54:07,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-12-14 07:54:08,004 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 16 treesize of output 12 [2022-12-14 07:54:08,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:08,031 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:08,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-12-14 07:54:08,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:08,059 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:08,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:08,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:08,185 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:08,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:08,190 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:08,608 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1258#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:54:08,608 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:08,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:08,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2022-12-14 07:54:08,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319685189] [2022-12-14 07:54:08,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:08,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-12-14 07:54:08,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:08,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-12-14 07:54:08,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 07:54:08,609 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:08,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:08,649 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2022-12-14 07:54:08,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-14 07:54:08,649 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-14 07:54:08,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:08,650 INFO L225 Difference]: With dead ends: 58 [2022-12-14 07:54:08,650 INFO L226 Difference]: Without dead ends: 44 [2022-12-14 07:54:08,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 07:54:08,651 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:08,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:54:08,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-14 07:54:08,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-14 07:54:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.069767441860465) internal successors, (46), 43 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:08,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2022-12-14 07:54:08,661 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 28 [2022-12-14 07:54:08,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:08,661 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2022-12-14 07:54:08,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:08,662 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-12-14 07:54:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 07:54:08,662 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:08,662 INFO L195 NwaCegarLoop]: trace histogram [28, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:08,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 07:54:08,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:08,864 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:08,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:08,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1122167751, now seen corresponding path program 4 times [2022-12-14 07:54:08,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:08,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482578160] [2022-12-14 07:54:08,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:08,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 07:54:09,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:09,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482578160] [2022-12-14 07:54:09,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482578160] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:09,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901096318] [2022-12-14 07:54:09,505 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 07:54:09,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:09,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:09,506 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:09,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 07:54:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:09,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 07:54:09,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 07:54:09,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:10,318 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 07:54:10,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901096318] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:10,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1009450788] [2022-12-14 07:54:10,320 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:54:10,320 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:10,320 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:10,320 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:10,320 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:10,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:10,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:10,347 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:54:10,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:54:10,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:10,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:10,379 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:10,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:10,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 07:54:10,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:10,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:10,458 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-12-14 07:54:10,458 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 4 case distinctions, treesize of input 248 treesize of output 247 [2022-12-14 07:54:10,522 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 16 treesize of output 12 [2022-12-14 07:54:10,546 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 07:54:10,546 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 24 treesize of output 19 [2022-12-14 07:54:10,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:10,572 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:10,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:10,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:10,701 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:10,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:10,705 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:11,193 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1753#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:54:11,193 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:11,193 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:11,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 60 [2022-12-14 07:54:11,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626240062] [2022-12-14 07:54:11,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:11,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-12-14 07:54:11,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:11,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-12-14 07:54:11,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-12-14 07:54:11,197 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:11,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:11,263 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-12-14 07:54:11,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-12-14 07:54:11,263 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-12-14 07:54:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:11,264 INFO L225 Difference]: With dead ends: 88 [2022-12-14 07:54:11,264 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 07:54:11,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-12-14 07:54:11,267 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:11,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:54:11,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 07:54:11,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-14 07:54:11,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.0410958904109588) internal successors, (76), 73 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2022-12-14 07:54:11,277 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 43 [2022-12-14 07:54:11,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:11,277 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2022-12-14 07:54:11,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 60 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2022-12-14 07:54:11,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 07:54:11,278 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:11,278 INFO L195 NwaCegarLoop]: trace histogram [58, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:11,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 07:54:11,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:11,480 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:11,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:11,481 INFO L85 PathProgramCache]: Analyzing trace with hash -176371737, now seen corresponding path program 5 times [2022-12-14 07:54:11,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:11,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774848545] [2022-12-14 07:54:11,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:11,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 07:54:13,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:13,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774848545] [2022-12-14 07:54:13,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774848545] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:13,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617141914] [2022-12-14 07:54:13,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:54:13,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:13,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:13,238 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:13,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 07:54:13,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-14 07:54:13,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:54:13,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-14 07:54:13,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:13,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 07:54:13,547 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 19 treesize of output 19 [2022-12-14 07:54:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-12-14 07:54:13,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:13,770 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:54:13,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 88 [2022-12-14 07:54:13,795 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-12-14 07:54:13,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 47 [2022-12-14 07:54:13,800 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:54:13,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2022-12-14 07:54:13,806 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:54:13,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 1 [2022-12-14 07:54:13,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:13,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:54:13,815 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:54:13,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2022-12-14 07:54:13,819 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:54:13,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 1 [2022-12-14 07:54:13,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:13,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2022-12-14 07:54:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-12-14 07:54:13,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617141914] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:13,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [431368328] [2022-12-14 07:54:13,930 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:54:13,930 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:13,930 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:13,931 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:13,931 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:13,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:13,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:13,966 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:54:13,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:54:13,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:13,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:14,001 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:14,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:14,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:14,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 07:54:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:14,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:14,062 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 07:54:14,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-12-14 07:54:14,111 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 16 treesize of output 12 [2022-12-14 07:54:14,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:14,136 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:14,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-12-14 07:54:14,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:14,162 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:14,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:14,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:14,295 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:14,296 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 25 treesize of output 25 [2022-12-14 07:54:14,300 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:15,234 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2560#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:54:15,234 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:15,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:15,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 7, 7] total 72 [2022-12-14 07:54:15,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869191067] [2022-12-14 07:54:15,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:15,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-12-14 07:54:15,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:15,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-12-14 07:54:15,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1890, Invalid=4430, Unknown=0, NotChecked=0, Total=6320 [2022-12-14 07:54:15,236 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:17,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:17,483 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2022-12-14 07:54:17,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-12-14 07:54:17,483 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-12-14 07:54:17,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:17,484 INFO L225 Difference]: With dead ends: 94 [2022-12-14 07:54:17,484 INFO L226 Difference]: Without dead ends: 80 [2022-12-14 07:54:17,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3526 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=5646, Invalid=14946, Unknown=0, NotChecked=0, Total=20592 [2022-12-14 07:54:17,487 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 17 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:17,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 53 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:54:17,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-14 07:54:17,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2022-12-14 07:54:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.0389610389610389) internal successors, (80), 77 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2022-12-14 07:54:17,504 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 73 [2022-12-14 07:54:17,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:17,505 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2022-12-14 07:54:17,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.356164383561644) internal successors, (99), 72 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2022-12-14 07:54:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 07:54:17,506 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:17,506 INFO L195 NwaCegarLoop]: trace histogram [59, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:17,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 07:54:17,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 07:54:17,708 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:17,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:17,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2105543894, now seen corresponding path program 6 times [2022-12-14 07:54:17,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:17,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86048250] [2022-12-14 07:54:17,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:17,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 07:54:19,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:19,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86048250] [2022-12-14 07:54:19,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86048250] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:19,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93419163] [2022-12-14 07:54:19,273 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 07:54:19,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:19,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:19,274 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:19,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 07:54:19,403 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 07:54:19,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:54:19,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:54:19,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-12-14 07:54:19,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-12-14 07:54:19,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93419163] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:19,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1464509926] [2022-12-14 07:54:19,689 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:54:19,689 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:19,689 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:19,689 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:19,689 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:19,723 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:19,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:19,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:19,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:19,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-12-14 07:54:19,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:19,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 07:54:19,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:19,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:19,802 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-12-14 07:54:19,803 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 4 case distinctions, treesize of input 248 treesize of output 247 [2022-12-14 07:54:19,869 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 16 treesize of output 12 [2022-12-14 07:54:19,891 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 07:54:19,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 07:54:19,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:19,916 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:19,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:20,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:20,043 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:20,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:20,049 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:20,746 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3532#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:54:20,746 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:20,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:20,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 7, 7] total 70 [2022-12-14 07:54:20,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053488487] [2022-12-14 07:54:20,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:20,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-12-14 07:54:20,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:20,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-12-14 07:54:20,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=4051, Unknown=0, NotChecked=0, Total=6006 [2022-12-14 07:54:20,751 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:22,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:22,210 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2022-12-14 07:54:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-12-14 07:54:22,211 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-12-14 07:54:22,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:22,211 INFO L225 Difference]: With dead ends: 106 [2022-12-14 07:54:22,211 INFO L226 Difference]: Without dead ends: 81 [2022-12-14 07:54:22,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 211 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3286 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=5855, Invalid=13051, Unknown=0, NotChecked=0, Total=18906 [2022-12-14 07:54:22,214 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:22,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:54:22,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-12-14 07:54:22,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-12-14 07:54:22,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.0375) internal successors, (83), 80 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:22,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2022-12-14 07:54:22,228 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 77 [2022-12-14 07:54:22,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:22,228 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2022-12-14 07:54:22,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 70 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2022-12-14 07:54:22,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 07:54:22,229 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:22,229 INFO L195 NwaCegarLoop]: trace histogram [60, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:22,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 07:54:22,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:22,431 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:22,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:22,432 INFO L85 PathProgramCache]: Analyzing trace with hash 716402483, now seen corresponding path program 7 times [2022-12-14 07:54:22,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:22,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800445592] [2022-12-14 07:54:22,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:22,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 07:54:23,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:23,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800445592] [2022-12-14 07:54:23,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800445592] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:23,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357960293] [2022-12-14 07:54:23,846 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 07:54:23,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:23,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:23,847 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:23,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 07:54:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:23,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 62 conjunts are in the unsatisfiable core [2022-12-14 07:54:23,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 07:54:24,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:26,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 07:54:26,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357960293] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:26,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [872014308] [2022-12-14 07:54:26,754 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:54:26,754 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:26,754 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:26,754 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:26,754 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:26,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:26,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:26,778 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:54:26,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:54:26,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:26,801 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:26,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:26,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:26,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 07:54:26,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:26,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:26,859 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 07:54:26,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-12-14 07:54:26,898 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 16 treesize of output 12 [2022-12-14 07:54:26,920 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 07:54:26,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 07:54:26,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:26,941 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:26,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:27,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:27,048 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:27,049 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 25 treesize of output 25 [2022-12-14 07:54:27,052 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:27,622 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4590#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:54:27,622 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:27,622 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:27,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 124 [2022-12-14 07:54:27,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132911415] [2022-12-14 07:54:27,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:27,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-12-14 07:54:27,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:27,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-12-14 07:54:27,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-12-14 07:54:27,627 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:27,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:27,765 INFO L93 Difference]: Finished difference Result 162 states and 227 transitions. [2022-12-14 07:54:27,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-12-14 07:54:27,765 INFO L78 Accepts]: Start accepts. Automaton has has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-12-14 07:54:27,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:27,766 INFO L225 Difference]: With dead ends: 162 [2022-12-14 07:54:27,767 INFO L226 Difference]: Without dead ends: 143 [2022-12-14 07:54:27,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1524 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-12-14 07:54:27,768 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:27,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:54:27,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-14 07:54:27,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-12-14 07:54:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.0211267605633803) internal successors, (145), 142 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 145 transitions. [2022-12-14 07:54:27,802 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 145 transitions. Word has length 80 [2022-12-14 07:54:27,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:27,803 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 145 transitions. [2022-12-14 07:54:27,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 1.08) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 145 transitions. [2022-12-14 07:54:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-14 07:54:27,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:27,806 INFO L195 NwaCegarLoop]: trace histogram [122, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:27,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-14 07:54:28,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 07:54:28,007 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:28,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:28,009 INFO L85 PathProgramCache]: Analyzing trace with hash -582645485, now seen corresponding path program 8 times [2022-12-14 07:54:28,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:28,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394650296] [2022-12-14 07:54:28,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:28,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 07:54:33,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:33,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394650296] [2022-12-14 07:54:33,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394650296] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:33,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466332675] [2022-12-14 07:54:33,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:54:33,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:33,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:33,877 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:33,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 07:54:34,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 07:54:34,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:54:34,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 07:54:34,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:34,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-14 07:54:34,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-12-14 07:54:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-12-14 07:54:35,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:54:35,582 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:54:35,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 88 [2022-12-14 07:54:35,599 INFO L321 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-12-14 07:54:35,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 88 [2022-12-14 07:54:35,616 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-12-14 07:54:35,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 20 [2022-12-14 07:54:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-12-14 07:54:36,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466332675] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:54:36,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2012844534] [2022-12-14 07:54:36,723 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:54:36,723 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:54:36,723 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:54:36,723 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:54:36,723 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:54:36,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:36,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:36,750 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:54:36,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:54:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:36,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:36,779 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:54:36,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:54:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:36,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 07:54:36,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:36,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:54:36,838 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 07:54:36,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-12-14 07:54:36,880 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 16 treesize of output 12 [2022-12-14 07:54:36,909 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 07:54:36,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 07:54:36,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:36,933 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:36,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:37,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:54:37,054 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:54:37,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:54:37,057 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:54:38,268 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6158#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:54:38,268 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:54:38,268 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:54:38,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [124, 10, 10] total 142 [2022-12-14 07:54:38,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387868580] [2022-12-14 07:54:38,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:54:38,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2022-12-14 07:54:38,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:54:38,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2022-12-14 07:54:38,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7854, Invalid=14496, Unknown=0, NotChecked=0, Total=22350 [2022-12-14 07:54:38,274 INFO L87 Difference]: Start difference. First operand 143 states and 145 transitions. Second operand has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:46,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:54:46,607 INFO L93 Difference]: Finished difference Result 208 states and 219 transitions. [2022-12-14 07:54:46,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-12-14 07:54:46,607 INFO L78 Accepts]: Start accepts. Automaton has has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2022-12-14 07:54:46,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:54:46,608 INFO L225 Difference]: With dead ends: 208 [2022-12-14 07:54:46,608 INFO L226 Difference]: Without dead ends: 189 [2022-12-14 07:54:46,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14563 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=24090, Invalid=61466, Unknown=0, NotChecked=0, Total=85556 [2022-12-14 07:54:46,614 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 50 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:54:46,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 155 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:54:46,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-12-14 07:54:46,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 162. [2022-12-14 07:54:46,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.031055900621118) internal successors, (166), 161 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:46,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 166 transitions. [2022-12-14 07:54:46,644 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 166 transitions. Word has length 142 [2022-12-14 07:54:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:54:46,644 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 166 transitions. [2022-12-14 07:54:46,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 142 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:54:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 166 transitions. [2022-12-14 07:54:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 07:54:46,645 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:54:46,645 INFO L195 NwaCegarLoop]: trace histogram [123, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 07:54:46,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 07:54:46,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-14 07:54:46,847 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:54:46,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:54:46,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1531451048, now seen corresponding path program 9 times [2022-12-14 07:54:46,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:54:46,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613522809] [2022-12-14 07:54:46,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:54:46,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:54:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:54:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 07:54:52,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:54:52,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613522809] [2022-12-14 07:54:52,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613522809] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:54:52,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44072633] [2022-12-14 07:54:52,757 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 07:54:52,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:54:52,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:54:52,758 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:54:52,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-14 07:54:53,009 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 07:54:53,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:54:53,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 125 conjunts are in the unsatisfiable core [2022-12-14 07:54:53,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:54:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 07:54:53,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:55:02,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 07:55:02,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44072633] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:55:02,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1284226198] [2022-12-14 07:55:02,913 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:55:02,913 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:55:02,913 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:55:02,913 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:55:02,914 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:55:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:55:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:55:02,950 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:55:02,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:55:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:55:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:55:02,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-12-14 07:55:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:55:02,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 07:55:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:55:03,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:55:03,025 INFO L321 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-12-14 07:55:03,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 246 [2022-12-14 07:55:03,073 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 16 treesize of output 12 [2022-12-14 07:55:03,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:55:03,099 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:55:03,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-12-14 07:55:03,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:55:03,127 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:55:03,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:55:03,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:55:03,250 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:55:03,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:55:03,253 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:55:04,019 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8238#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:55:04,020 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:55:04,020 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:55:04,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 125, 125] total 250 [2022-12-14 07:55:04,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182167889] [2022-12-14 07:55:04,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:55:04,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2022-12-14 07:55:04,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:55:04,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2022-12-14 07:55:04,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-12-14 07:55:04,027 INFO L87 Difference]: Start difference. First operand 162 states and 166 transitions. Second operand has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:55:04,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:55:04,563 INFO L93 Difference]: Finished difference Result 324 states and 456 transitions. [2022-12-14 07:55:04,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-12-14 07:55:04,563 INFO L78 Accepts]: Start accepts. Automaton has has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-12-14 07:55:04,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:55:04,564 INFO L225 Difference]: With dead ends: 324 [2022-12-14 07:55:04,564 INFO L226 Difference]: Without dead ends: 287 [2022-12-14 07:55:04,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3099 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-12-14 07:55:04,567 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:55:04,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:55:04,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-12-14 07:55:04,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2022-12-14 07:55:04,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 286 states have (on average 1.0174825174825175) internal successors, (291), 286 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:55:04,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 291 transitions. [2022-12-14 07:55:04,597 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 291 transitions. Word has length 147 [2022-12-14 07:55:04,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:55:04,597 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 291 transitions. [2022-12-14 07:55:04,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 251 states, 251 states have (on average 1.0398406374501992) internal successors, (261), 250 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:55:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 291 transitions. [2022-12-14 07:55:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-12-14 07:55:04,599 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:55:04,599 INFO L195 NwaCegarLoop]: trace histogram [248, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 07:55:04,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-14 07:55:04,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:55:04,801 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:55:04,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:55:04,802 INFO L85 PathProgramCache]: Analyzing trace with hash -924104089, now seen corresponding path program 10 times [2022-12-14 07:55:04,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:55:04,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384351840] [2022-12-14 07:55:04,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:55:04,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:55:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:55:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 07:55:27,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:55:27,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384351840] [2022-12-14 07:55:27,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384351840] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:55:27,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415427595] [2022-12-14 07:55:27,176 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-14 07:55:27,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:55:27,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:55:27,177 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:55:27,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-14 07:55:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:55:27,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 250 conjunts are in the unsatisfiable core [2022-12-14 07:55:27,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:55:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 07:55:27,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:56:10,661 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 07:56:10,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415427595] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:56:10,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1247943961] [2022-12-14 07:56:10,662 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:56:10,662 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:56:10,662 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:56:10,662 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:56:10,662 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:56:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:56:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:56:10,695 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:56:10,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:56:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:56:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:56:10,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2022-12-14 07:56:10,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:56:10,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 07:56:10,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:56:10,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:56:10,761 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-12-14 07:56:10,761 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 4 case distinctions, treesize of input 248 treesize of output 247 [2022-12-14 07:56:10,822 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 16 treesize of output 12 [2022-12-14 07:56:10,845 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 07:56:10,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-12-14 07:56:10,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:56:10,867 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:56:10,867 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 25 treesize of output 25 [2022-12-14 07:56:10,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:56:10,975 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:56:10,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:56:10,980 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:56:12,240 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11520#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:56:12,240 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:56:12,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:56:12,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [250, 250, 250] total 500 [2022-12-14 07:56:12,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803094246] [2022-12-14 07:56:12,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:56:12,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 501 states [2022-12-14 07:56:12,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:56:12,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 501 interpolants. [2022-12-14 07:56:12,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-12-14 07:56:12,265 INFO L87 Difference]: Start difference. First operand 287 states and 291 transitions. Second operand has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:56:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:56:15,411 INFO L93 Difference]: Finished difference Result 574 states and 831 transitions. [2022-12-14 07:56:15,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 500 states. [2022-12-14 07:56:15,411 INFO L78 Accepts]: Start accepts. Automaton has has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 272 [2022-12-14 07:56:15,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:56:15,413 INFO L225 Difference]: With dead ends: 574 [2022-12-14 07:56:15,413 INFO L226 Difference]: Without dead ends: 537 [2022-12-14 07:56:15,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 506 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6224 ImplicationChecksByTransitivity, 56.7s TimeCoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-12-14 07:56:15,422 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:56:15,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 07:56:15,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-12-14 07:56:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2022-12-14 07:56:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.0093283582089552) internal successors, (541), 536 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:56:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 541 transitions. [2022-12-14 07:56:15,494 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 541 transitions. Word has length 272 [2022-12-14 07:56:15,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:56:15,495 INFO L495 AbstractCegarLoop]: Abstraction has 537 states and 541 transitions. [2022-12-14 07:56:15,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 501 states, 501 states have (on average 1.0199600798403194) internal successors, (511), 500 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:56:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 541 transitions. [2022-12-14 07:56:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-12-14 07:56:15,501 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:56:15,501 INFO L195 NwaCegarLoop]: trace histogram [498, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 07:56:15,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-14 07:56:15,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 07:56:15,703 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:56:15,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:56:15,703 INFO L85 PathProgramCache]: Analyzing trace with hash 915031047, now seen corresponding path program 11 times [2022-12-14 07:56:15,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:56:15,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426292520] [2022-12-14 07:56:15,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:56:15,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:56:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:58:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 124251 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 07:58:03,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:58:03,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426292520] [2022-12-14 07:58:03,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426292520] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:58:03,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51183977] [2022-12-14 07:58:03,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:58:03,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:58:03,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:58:03,754 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:58:03,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 07:58:04,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-12-14 07:58:04,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:58:04,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 07:58:04,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:58:04,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2022-12-14 07:58:06,754 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 19 treesize of output 19 [2022-12-14 07:58:06,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:06,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 07:58:07,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:07,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-12-14 07:58:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-12-14 07:58:08,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:58:14,857 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:58:14,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1086 treesize of output 1022 [2022-12-14 07:58:25,762 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:58:25,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 113 [2022-12-14 07:58:25,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 348 treesize of output 336 [2022-12-14 07:58:25,924 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:58:25,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-12-14 07:58:25,942 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:58:25,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 1 [2022-12-14 07:58:25,956 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:58:25,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-12-14 07:58:25,969 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:58:25,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-12-14 07:58:25,978 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:58:25,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-12-14 07:58:26,040 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:58:26,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-12-14 07:58:26,049 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:58:26,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 1 [2022-12-14 07:58:26,057 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-12-14 07:58:26,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 62 [2022-12-14 07:58:26,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2022-12-14 07:58:26,083 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-12-14 07:58:26,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 62 [2022-12-14 07:58:26,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2022-12-14 07:58:26,111 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-12-14 07:58:26,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2022-12-14 07:58:26,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,142 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-12-14 07:58:26,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 62 [2022-12-14 07:58:26,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-12-14 07:58:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-12-14 07:58:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,397 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-12-14 07:58:26,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 1 [2022-12-14 07:58:26,407 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-12-14 07:58:26,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 62 [2022-12-14 07:58:26,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2022-12-14 07:58:26,433 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-12-14 07:58:26,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2022-12-14 07:58:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-12-14 07:58:26,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-12-14 07:58:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:26,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 28 [2022-12-14 07:58:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:26,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:26,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-12-14 07:58:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:27,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:27,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:27,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:27,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 57 [2022-12-14 07:58:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:27,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:27,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:27,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 85 [2022-12-14 07:58:27,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:27,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 85 [2022-12-14 07:58:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2022-12-14 07:58:27,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:27,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:27,463 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-14 07:58:27,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1675 treesize of output 1411 [2022-12-14 07:58:31,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:31,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:31,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:31,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:31,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:31,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:31,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:31,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:31,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:31,114 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-12-14 07:58:31,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1675 treesize of output 1420 [2022-12-14 07:58:32,423 INFO L321 Elim1Store]: treesize reduction 23, result has 30.3 percent of original size [2022-12-14 07:58:32,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1675 treesize of output 1436 [2022-12-14 07:58:33,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:33,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 978 treesize of output 898 [2022-12-14 07:58:33,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:33,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:33,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:33,564 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:58:33,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 1 [2022-12-14 07:58:33,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:33,575 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:58:33,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 1 [2022-12-14 07:58:33,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:33,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:33,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:33,584 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:58:33,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 257 treesize of output 1 [2022-12-14 07:58:33,600 INFO L321 Elim1Store]: treesize reduction 5, result has 64.3 percent of original size [2022-12-14 07:58:33,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1675 treesize of output 1420 [2022-12-14 07:58:34,608 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:58:34,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 978 treesize of output 912 [2022-12-14 07:58:34,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,804 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-14 07:58:34,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 1 [2022-12-14 07:58:34,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,818 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:58:34,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 113 [2022-12-14 07:58:34,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:34,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:34,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:34,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:34,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:34,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:34,880 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-14 07:58:34,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1675 treesize of output 1 [2022-12-14 07:58:34,898 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:34,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1919 treesize of output 1527 [2022-12-14 07:58:37,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:37,770 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-14 07:58:37,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 1 [2022-12-14 07:58:37,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:37,794 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:37,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-12-14 07:58:37,839 INFO L321 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-12-14 07:58:37,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1675 treesize of output 1449 [2022-12-14 07:58:38,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,524 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-14 07:58:38,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 411 treesize of output 1 [2022-12-14 07:58:38,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,536 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:38,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-12-14 07:58:38,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,554 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:58:38,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 1 [2022-12-14 07:58:38,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 95 [2022-12-14 07:58:38,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:38,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:38,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:38,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:38,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:38,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:38,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:38,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:38,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,699 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-14 07:58:38,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 411 treesize of output 1 [2022-12-14 07:58:38,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:38,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:38,779 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:38,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1675 treesize of output 1 [2022-12-14 07:58:38,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,810 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-14 07:58:38,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 299 treesize of output 235 [2022-12-14 07:58:38,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:38,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:38,934 INFO L321 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-12-14 07:58:38,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1919 treesize of output 1544 [2022-12-14 07:58:41,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,425 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:41,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 427 treesize of output 1 [2022-12-14 07:58:41,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,438 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:41,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 286 treesize of output 1 [2022-12-14 07:58:41,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,473 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:41,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-12-14 07:58:41,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:41,517 INFO L321 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-12-14 07:58:41,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1848 treesize of output 1473 [2022-12-14 07:58:41,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,803 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:41,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 1 [2022-12-14 07:58:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:41,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,824 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:41,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 1 [2022-12-14 07:58:41,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,835 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:41,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 1 [2022-12-14 07:58:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:41,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,856 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:41,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-12-14 07:58:41,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,886 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:41,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 286 treesize of output 1 [2022-12-14 07:58:41,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:41,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:41,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:41,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:41,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:41,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:41,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:41,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:41,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,002 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 1 [2022-12-14 07:58:42,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,013 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:42,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 1 [2022-12-14 07:58:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,043 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 1 [2022-12-14 07:58:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,061 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:42,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 1 [2022-12-14 07:58:42,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,076 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 1 [2022-12-14 07:58:42,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:42,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,167 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 427 treesize of output 1 [2022-12-14 07:58:42,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,192 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:42,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 1 [2022-12-14 07:58:42,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,206 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 1 [2022-12-14 07:58:42,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,216 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2022-12-14 07:58:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,245 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:42,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 1 [2022-12-14 07:58:42,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:42,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:42,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:42,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:42,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,334 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 443 treesize of output 1 [2022-12-14 07:58:42,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,386 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:42,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-12-14 07:58:42,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,399 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 286 treesize of output 1 [2022-12-14 07:58:42,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:42,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:42,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 07:58:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:42,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,646 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:42,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 1 [2022-12-14 07:58:42,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,665 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 1 [2022-12-14 07:58:42,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,681 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 1 [2022-12-14 07:58:42,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,731 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:42,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 121 treesize of output 1 [2022-12-14 07:58:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:42,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,769 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 07:58:42,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 1 [2022-12-14 07:58:42,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2022-12-14 07:58:42,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,904 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:42,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 443 treesize of output 1 [2022-12-14 07:58:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,944 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 427 treesize of output 1 [2022-12-14 07:58:42,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,959 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:42,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 286 treesize of output 1 [2022-12-14 07:58:42,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:42,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:42,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:42,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,001 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:43,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-12-14 07:58:43,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:43,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-12-14 07:58:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:43,037 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:43,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2372 treesize of output 1 [2022-12-14 07:58:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,080 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-14 07:58:43,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 427 treesize of output 1 [2022-12-14 07:58:43,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,105 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 07:58:43,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 584 treesize of output 1 [2022-12-14 07:58:43,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:43,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2022-12-14 07:58:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-12-14 07:58:58,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51183977] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:58:58,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2138561612] [2022-12-14 07:58:58,969 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 07:58:58,969 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:58:58,969 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:58:58,969 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:58:58,969 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:58:58,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:58,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:58,997 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 07:58:58,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 07:58:59,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:59,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:59,022 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 07:58:59,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 07:58:59,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:59,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 07:58:59,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:58:59,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:59,087 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-12-14 07:58:59,087 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 4 case distinctions, treesize of input 248 treesize of output 247 [2022-12-14 07:58:59,148 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 16 treesize of output 12 [2022-12-14 07:58:59,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:59,168 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:58:59,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2022-12-14 07:58:59,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:59,192 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:58:59,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:58:59,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:58:59,312 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 07:58:59,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 07:58:59,315 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:59:02,002 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17324#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 07:59:02,002 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 07:59:02,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:59:02,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [500, 12, 12] total 522 [2022-12-14 07:59:02,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945843564] [2022-12-14 07:59:02,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 07:59:02,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 523 states [2022-12-14 07:59:02,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:02,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 523 interpolants. [2022-12-14 07:59:02,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125354, Invalid=155015, Unknown=1, NotChecked=0, Total=280370 [2022-12-14 07:59:02,031 INFO L87 Difference]: Start difference. First operand 537 states and 541 transitions. Second operand has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:00:48,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:00:48,571 INFO L93 Difference]: Finished difference Result 598 states and 607 transitions. [2022-12-14 08:00:48,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 524 states. [2022-12-14 08:00:48,572 INFO L78 Accepts]: Start accepts. Automaton has has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 522 [2022-12-14 08:00:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:00:48,575 INFO L225 Difference]: With dead ends: 598 [2022-12-14 08:00:48,575 INFO L226 Difference]: Without dead ends: 561 [2022-12-14 08:00:48,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2581 GetRequests, 1536 SyntacticMatches, 0 SemanticMatches, 1045 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153700 ImplicationChecksByTransitivity, 171.7s TimeCoverageRelationStatistics Valid=376588, Invalid=718573, Unknown=1, NotChecked=0, Total=1095162 [2022-12-14 08:00:48,630 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 79 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:00:48,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 142 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1060 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 08:00:48,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-12-14 08:00:48,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 535. [2022-12-14 08:00:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 534 states have (on average 1.0074906367041199) internal successors, (538), 534 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:00:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 538 transitions. [2022-12-14 08:00:48,692 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 538 transitions. Word has length 522 [2022-12-14 08:00:48,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:00:48,692 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 538 transitions. [2022-12-14 08:00:48,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 523 states, 523 states have (on average 1.0650095602294456) internal successors, (557), 522 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:00:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 538 transitions. [2022-12-14 08:00:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2022-12-14 08:00:48,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:00:48,695 INFO L195 NwaCegarLoop]: trace histogram [499, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2022-12-14 08:00:48,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-14 08:00:48,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 08:00:48,896 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:00:48,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:00:48,898 INFO L85 PathProgramCache]: Analyzing trace with hash -748358014, now seen corresponding path program 12 times [2022-12-14 08:00:48,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:00:48,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807219417] [2022-12-14 08:00:48,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:00:48,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:00:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:02:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 124785 backedges. 0 proven. 124750 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 08:02:44,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:02:44,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807219417] [2022-12-14 08:02:44,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807219417] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:02:44,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971592805] [2022-12-14 08:02:44,318 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 08:02:44,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:02:44,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:02:44,319 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:02:44,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-14 08:02:44,981 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 08:02:44,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:02:45,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 4630 conjuncts, 501 conjunts are in the unsatisfiable core [2022-12-14 08:02:45,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:02:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 124785 backedges. 0 proven. 124750 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 08:02:45,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:06:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 124785 backedges. 0 proven. 124750 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 08:06:09,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971592805] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:06:09,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [835238369] [2022-12-14 08:06:09,660 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-12-14 08:06:09,660 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:06:09,661 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:06:09,661 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:06:09,661 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:06:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:06:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:06:09,688 INFO L321 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-12-14 08:06:09,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2022-12-14 08:06:09,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:06:09,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:06:09,717 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 08:06:09,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2022-12-14 08:06:09,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:06:09,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 08:06:09,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:06:09,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:06:09,777 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-12-14 08:06:09,778 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 4 case distinctions, treesize of input 248 treesize of output 247 [2022-12-14 08:06:09,833 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 16 treesize of output 12 [2022-12-14 08:06:09,851 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-12-14 08:06:09,851 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 24 treesize of output 19 [2022-12-14 08:06:09,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:06:09,871 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 08:06:09,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 08:06:09,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:06:09,992 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 08:06:09,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2022-12-14 08:06:09,997 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 08:06:12,652 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '24685#(and (< |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_#t~mem6#1| (select (select |#memory_int| |ULTIMATE.start_main_~#dst~0#1.base|) (+ |ULTIMATE.start_main_~#dst~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~#src~0#1.base|) (+ |ULTIMATE.start_main_~#src~0#1.offset| (* |ULTIMATE.start_main_~x~0#1| 4)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| (ite (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_#t~mem6#1|) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (or (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) (and (= |ULTIMATE.start_main_~#dst~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#src~0#1.base|) (= |ULTIMATE.start_main_~#src~0#1.offset| 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~#dst~0#1.base|) (<= 100000 |ULTIMATE.start_main_~j~0#1|) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))' at error location [2022-12-14 08:06:12,652 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 08:06:12,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 08:06:12,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [501, 501, 501] total 1002 [2022-12-14 08:06:12,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845746881] [2022-12-14 08:06:12,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 08:06:12,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 1003 states [2022-12-14 08:06:12,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:06:12,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 1003 interpolants. [2022-12-14 08:06:12,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=502528, Invalid=516562, Unknown=0, NotChecked=0, Total=1019090 [2022-12-14 08:06:12,757 INFO L87 Difference]: Start difference. First operand 535 states and 538 transitions. Second operand has 1003 states, 1003 states have (on average 1.0099700897308075) internal successors, (1013), 1002 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:06:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:06:36,305 INFO L93 Difference]: Finished difference Result 1070 states and 1576 transitions. [2022-12-14 08:06:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1002 states. [2022-12-14 08:06:36,306 INFO L78 Accepts]: Start accepts. Automaton has has 1003 states, 1003 states have (on average 1.0099700897308075) internal successors, (1013), 1002 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 524 [2022-12-14 08:06:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:06:36,309 INFO L225 Difference]: With dead ends: 1070 [2022-12-14 08:06:36,309 INFO L226 Difference]: Without dead ends: 1036 [2022-12-14 08:06:36,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2071 GetRequests, 1063 SyntacticMatches, 0 SemanticMatches, 1008 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12499 ImplicationChecksByTransitivity, 268.8s TimeCoverageRelationStatistics Valid=502528, Invalid=516562, Unknown=0, NotChecked=0, Total=1019090 [2022-12-14 08:06:36,352 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:06:36,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 08:06:36,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2022-12-14 08:06:36,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1036. [2022-12-14 08:06:36,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1035 states have (on average 1.0038647342995168) internal successors, (1039), 1035 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:06:36,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1039 transitions. [2022-12-14 08:06:36,463 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1039 transitions. Word has length 524 [2022-12-14 08:06:36,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:06:36,463 INFO L495 AbstractCegarLoop]: Abstraction has 1036 states and 1039 transitions. [2022-12-14 08:06:36,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 1003 states, 1003 states have (on average 1.0099700897308075) internal successors, (1013), 1002 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:06:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1039 transitions. [2022-12-14 08:06:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1026 [2022-12-14 08:06:36,471 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:36,471 INFO L195 NwaCegarLoop]: trace histogram [1000, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:36,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-12-14 08:06:36,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70f40b92-0347-4048-8fb3-63e7987f0018/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-14 08:06:36,672 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:06:36,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:36,672 INFO L85 PathProgramCache]: Analyzing trace with hash -414410541, now seen corresponding path program 13 times [2022-12-14 08:06:36,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:06:36,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83602885] [2022-12-14 08:06:36,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:36,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:06:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat