./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/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_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-5e519f3 [2022-11-03 02:49:43,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:49:43,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:49:43,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:49:43,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:49:43,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:49:43,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:49:43,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:49:43,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:49:43,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:49:43,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:49:43,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:49:43,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:49:43,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:49:43,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:49:43,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:49:43,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:49:43,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:49:43,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:49:43,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:49:43,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:49:43,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:49:43,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:49:43,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:49:43,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:49:43,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:49:43,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:49:43,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:49:43,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:49:43,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:49:43,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:49:43,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:49:43,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:49:43,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:49:43,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:49:43,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:49:43,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:49:43,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:49:43,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:49:43,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:49:43,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:49:43,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:49:43,496 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:49:43,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:49:43,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:49:43,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:49:43,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:49:43,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:49:43,499 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:49:43,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:49:43,500 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:49:43,500 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:49:43,501 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:49:43,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:49:43,501 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:49:43,502 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:49:43,502 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:49:43,502 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:49:43,502 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:49:43,503 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:49:43,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:49:43,504 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:49:43,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:49:43,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:49:43,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:49:43,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:49:43,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:49:43,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:49:43,505 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:49:43,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:49:43,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:49:43,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:49:43,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:49:43,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:49:43,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:49:43,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:49:43,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:49:43,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:49:43,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:49:43,508 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:49:43,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:49:43,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:49:43,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:49:43,509 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_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a [2022-11-03 02:49:43,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:49:43,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:49:43,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:49:43,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:49:43,802 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:49:43,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-11-03 02:49:43,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/data/962662ade/47885fd59c634b2b8187271f0470e6df/FLAGcee0560ea [2022-11-03 02:49:44,402 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:49:44,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-11-03 02:49:44,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/data/962662ade/47885fd59c634b2b8187271f0470e6df/FLAGcee0560ea [2022-11-03 02:49:44,807 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/data/962662ade/47885fd59c634b2b8187271f0470e6df [2022-11-03 02:49:44,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:49:44,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:49:44,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:49:44,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:49:44,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:49:44,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:49:44" (1/1) ... [2022-11-03 02:49:44,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f939784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:44, skipping insertion in model container [2022-11-03 02:49:44,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:49:44" (1/1) ... [2022-11-03 02:49:44,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:49:44,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:49:45,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-11-03 02:49:45,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:49:45,068 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:49:45,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-11-03 02:49:45,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:49:45,099 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:49:45,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45 WrapperNode [2022-11-03 02:49:45,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:49:45,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:49:45,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:49:45,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:49:45,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,133 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-11-03 02:49:45,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:49:45,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:49:45,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:49:45,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:49:45,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,154 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:49:45,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:49:45,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:49:45,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:49:45,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (1/1) ... [2022-11-03 02:49:45,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:49:45,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:45,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:49:45,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:49:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:49:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:49:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:49:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:49:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:49:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:49:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:49:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:49:45,331 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:49:45,333 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:49:45,544 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:49:45,598 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:49:45,607 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:49:45,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:49:45 BoogieIcfgContainer [2022-11-03 02:49:45,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:49:45,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:49:45,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:49:45,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:49:45,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:49:44" (1/3) ... [2022-11-03 02:49:45,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8251f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:49:45, skipping insertion in model container [2022-11-03 02:49:45,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:45" (2/3) ... [2022-11-03 02:49:45,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8251f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:49:45, skipping insertion in model container [2022-11-03 02:49:45,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:49:45" (3/3) ... [2022-11-03 02:49:45,634 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_strcpy_ground-1.i [2022-11-03 02:49:45,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:49:45,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:49:45,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:49:45,707 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;@5e8f5586, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:49:45,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:49:45,711 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) [2022-11-03 02:49:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 02:49:45,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:45,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:45,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:45,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:45,725 INFO L85 PathProgramCache]: Analyzing trace with hash -583452026, now seen corresponding path program 1 times [2022-11-03 02:49:45,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:45,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84634710] [2022-11-03 02:49:45,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:45,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:49:45,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:45,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84634710] [2022-11-03 02:49:45,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84634710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:45,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:45,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:49:45,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168327271] [2022-11-03 02:49:45,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:45,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:49:45,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:45,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:49:45,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:49:45,962 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) [2022-11-03 02:49:46,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:46,009 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-03 02:49:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:49:46,012 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 [2022-11-03 02:49:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:46,020 INFO L225 Difference]: With dead ends: 18 [2022-11-03 02:49:46,020 INFO L226 Difference]: Without dead ends: 10 [2022-11-03 02:49:46,023 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 [2022-11-03 02:49:46,032 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 [2022-11-03 02:49:46,034 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] [2022-11-03 02:49:46,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-03 02:49:46,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-03 02:49:46,068 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) [2022-11-03 02:49:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-11-03 02:49:46,069 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2022-11-03 02:49:46,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:46,070 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-03 02:49:46,070 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) [2022-11-03 02:49:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-03 02:49:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 02:49:46,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:46,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:46,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:49:46,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:46,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:46,073 INFO L85 PathProgramCache]: Analyzing trace with hash 117723461, now seen corresponding path program 1 times [2022-11-03 02:49:46,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:46,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762248840] [2022-11-03 02:49:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:46,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:49:46,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:46,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762248840] [2022-11-03 02:49:46,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762248840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:46,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:46,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:49:46,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834904026] [2022-11-03 02:49:46,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:46,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:46,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:46,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:46,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:46,210 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) [2022-11-03 02:49:46,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:46,234 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-11-03 02:49:46,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:46,235 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 [2022-11-03 02:49:46,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:46,235 INFO L225 Difference]: With dead ends: 19 [2022-11-03 02:49:46,236 INFO L226 Difference]: Without dead ends: 11 [2022-11-03 02:49:46,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:46,237 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 9 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 [2022-11-03 02:49:46,238 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] [2022-11-03 02:49:46,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-03 02:49:46,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-03 02:49:46,242 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) [2022-11-03 02:49:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2022-11-03 02:49:46,242 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2022-11-03 02:49:46,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:46,243 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-11-03 02:49:46,243 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) [2022-11-03 02:49:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-03 02:49:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 02:49:46,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:46,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:46,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:49:46,245 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:46,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:46,246 INFO L85 PathProgramCache]: Analyzing trace with hash -903641258, now seen corresponding path program 1 times [2022-11-03 02:49:46,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:46,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324255523] [2022-11-03 02:49:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:46,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:49:46,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:46,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324255523] [2022-11-03 02:49:46,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324255523] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:49:46,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537909541] [2022-11-03 02:49:46,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:46,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:46,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:46,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:49:46,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:49:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:46,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:49:46,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:49:46,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:49:46,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537909541] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:46,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [105826933] [2022-11-03 02:49:46,528 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:49:46,529 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:49:46,534 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:49:46,540 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:49:46,541 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:49:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:46,743 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:49:46,744 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:46,840 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:49:46,841 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:46,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:47,043 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:49:47,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:47,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:47,224 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:49:47,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [105826933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:47,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:49:47,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 3] total 11 [2022-11-03 02:49:47,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529962857] [2022-11-03 02:49:47,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:47,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:49:47,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:47,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:49:47,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:49:47,482 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) [2022-11-03 02:49:47,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:47,524 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-11-03 02:49:47,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:49:47,525 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 [2022-11-03 02:49:47,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:47,526 INFO L225 Difference]: With dead ends: 20 [2022-11-03 02:49:47,526 INFO L226 Difference]: Without dead ends: 13 [2022-11-03 02:49:47,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:49:47,528 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:47,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:49:47,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-03 02:49:47,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-03 02:49:47,533 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) [2022-11-03 02:49:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2022-11-03 02:49:47,533 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2022-11-03 02:49:47,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:47,534 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2022-11-03 02:49:47,534 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) [2022-11-03 02:49:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-03 02:49:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:49:47,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:47,535 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:47,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:47,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-03 02:49:47,761 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:47,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:47,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1919282960, now seen corresponding path program 1 times [2022-11-03 02:49:47,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:47,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381959940] [2022-11-03 02:49:47,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:47,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:47,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:49:47,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:47,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381959940] [2022-11-03 02:49:47,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381959940] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:49:47,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942445650] [2022-11-03 02:49:47,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:47,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:47,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:47,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:49:47,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:49:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:47,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:49:47,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:49:47,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:47,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:49:47,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942445650] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:47,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1990572550] [2022-11-03 02:49:47,968 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:49:47,974 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:49:47,975 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:49:47,975 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:49:47,976 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:49:48,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:48,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:48,047 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:49:48,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:48,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:48,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:48,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:48,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:48,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:48,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:48,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:48,254 INFO L356 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-03 02:49:48,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:48,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:48,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:48,450 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:48,450 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:48,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:48,497 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:48,498 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:48,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:48,565 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:48,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:48,574 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:49:48,953 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 [2022-11-03 02:49:48,953 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:49:48,953 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:49:48,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-03 02:49:48,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262865677] [2022-11-03 02:49:48,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:49:48,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:49:48,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:48,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:49:48,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:49:48,955 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) [2022-11-03 02:49:48,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:48,978 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-03 02:49:48,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:49:48,979 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 [2022-11-03 02:49:48,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:48,980 INFO L225 Difference]: With dead ends: 26 [2022-11-03 02:49:48,980 INFO L226 Difference]: Without dead ends: 16 [2022-11-03 02:49:48,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:49:48,981 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:48,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:49:48,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-03 02:49:48,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-03 02:49:48,987 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) [2022-11-03 02:49:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-03 02:49:48,988 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2022-11-03 02:49:48,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:48,988 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-03 02:49:48,989 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) [2022-11-03 02:49:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-03 02:49:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 02:49:48,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:48,990 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:49,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:49,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:49,212 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:49,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1343003265, now seen corresponding path program 2 times [2022-11-03 02:49:49,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:49,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259830000] [2022-11-03 02:49:49,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:49,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:49:49,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:49,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259830000] [2022-11-03 02:49:49,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259830000] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:49:49,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522927244] [2022-11-03 02:49:49,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:49:49,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:49,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:49,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:49:49,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:49:49,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 02:49:49,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:49:49,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:49:49,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:49,494 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 02:49:49,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-11-03 02:49:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-03 02:49:49,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:49,643 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:49:49,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:49,665 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-03 02:49:49,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-03 02:49:49,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522927244] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:49,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [998307549] [2022-11-03 02:49:49,701 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-03 02:49:49,701 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:49:49,702 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:49:49,702 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:49:49,702 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:49:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:49,763 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:49:49,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:49,823 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:49:49,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:49,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:49,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:49,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:49,985 INFO L356 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-03 02:49:49,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:50,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:50,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:50,153 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:50,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:50,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:50,204 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:50,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:50,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:50,286 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:50,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:50,295 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:49:50,765 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '425#(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 [2022-11-03 02:49:50,765 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:49:50,766 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:49:50,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2022-11-03 02:49:50,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672032282] [2022-11-03 02:49:50,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:49:50,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:49:50,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:50,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:49:50,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:49:50,768 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:49:50,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:50,958 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2022-11-03 02:49:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:49:50,959 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-03 02:49:50,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:50,960 INFO L225 Difference]: With dead ends: 31 [2022-11-03 02:49:50,960 INFO L226 Difference]: Without dead ends: 21 [2022-11-03 02:49:50,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:49:50,961 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:50,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 27 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:49:50,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-03 02:49:50,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2022-11-03 02:49:50,972 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) [2022-11-03 02:49:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-03 02:49:50,972 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 14 [2022-11-03 02:49:50,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:50,973 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-03 02:49:50,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:49:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-03 02:49:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 02:49:50,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:50,974 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:51,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:51,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:51,186 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:51,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:51,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1675846128, now seen corresponding path program 1 times [2022-11-03 02:49:51,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:51,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980121075] [2022-11-03 02:49:51,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:51,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:51,389 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 02:49:51,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:51,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980121075] [2022-11-03 02:49:51,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980121075] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:49:51,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783213611] [2022-11-03 02:49:51,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:51,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:51,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:51,392 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:49:51,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:49:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:51,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:49:51,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 02:49:51,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 02:49:51,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783213611] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:51,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1751647938] [2022-11-03 02:49:51,566 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:49:51,567 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:49:51,567 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:49:51,567 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:49:51,567 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:49:51,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:51,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:51,618 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:49:51,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:51,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:51,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:51,675 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:49:51,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:51,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:51,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:51,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:51,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:51,789 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:49:51,790 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:51,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:51,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:51,915 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:51,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:51,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:51,974 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:51,975 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:52,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:52,226 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:52,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:52,233 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:49:53,116 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '636#(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 [2022-11-03 02:49:53,116 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:49:53,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:49:53,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2022-11-03 02:49:53,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863823364] [2022-11-03 02:49:53,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:49:53,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 02:49:53,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:53,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 02:49:53,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:49:53,119 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) [2022-11-03 02:49:53,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:53,168 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-11-03 02:49:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 02:49:53,169 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 [2022-11-03 02:49:53,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:53,170 INFO L225 Difference]: With dead ends: 38 [2022-11-03 02:49:53,170 INFO L226 Difference]: Without dead ends: 26 [2022-11-03 02:49:53,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:49:53,171 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:53,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:49:53,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-03 02:49:53,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-03 02:49:53,178 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) [2022-11-03 02:49:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-11-03 02:49:53,179 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 18 [2022-11-03 02:49:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:53,180 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-11-03 02:49:53,180 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) [2022-11-03 02:49:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-03 02:49:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-03 02:49:53,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:53,181 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:53,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:53,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 02:49:53,405 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:53,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:53,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1957214079, now seen corresponding path program 2 times [2022-11-03 02:49:53,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:53,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548364182] [2022-11-03 02:49:53,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:53,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:53,723 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 02:49:53,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:53,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548364182] [2022-11-03 02:49:53,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548364182] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:49:53,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46456202] [2022-11-03 02:49:53,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:49:53,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:53,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:53,725 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:49:53,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:49:53,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 02:49:53,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:49:53,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:49:53,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-03 02:49:53,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-03 02:49:54,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46456202] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:54,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [456314185] [2022-11-03 02:49:54,015 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:49:54,015 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:49:54,016 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:49:54,016 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:49:54,016 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:49:54,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:54,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:54,080 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:49:54,080 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:54,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:54,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:54,128 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:49:54,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:54,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:54,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:54,235 INFO L356 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-03 02:49:54,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:54,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:54,377 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 02:49:54,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:54,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:54,418 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:54,419 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:54,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:54,631 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:54,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:54,637 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:49:55,446 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '910#(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 [2022-11-03 02:49:55,446 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:49:55,446 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:49:55,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 20 [2022-11-03 02:49:55,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504863770] [2022-11-03 02:49:55,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:49:55,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-03 02:49:55,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:55,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-03 02:49:55,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=604, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:49:55,448 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) [2022-11-03 02:49:55,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:55,770 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-03 02:49:55,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:49:55,771 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 [2022-11-03 02:49:55,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:55,771 INFO L225 Difference]: With dead ends: 46 [2022-11-03 02:49:55,771 INFO L226 Difference]: Without dead ends: 29 [2022-11-03 02:49:55,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=373, Invalid=1267, Unknown=0, NotChecked=0, Total=1640 [2022-11-03 02:49:55,773 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:55,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 53 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:49:55,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-03 02:49:55,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-03 02:49:55,779 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) [2022-11-03 02:49:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-03 02:49:55,780 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 25 [2022-11-03 02:49:55,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:55,781 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-03 02:49:55,781 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) [2022-11-03 02:49:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-03 02:49:55,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 02:49:55,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:55,782 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:55,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:55,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:55,997 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:55,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:55,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1673003798, now seen corresponding path program 3 times [2022-11-03 02:49:55,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:55,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598831073] [2022-11-03 02:49:55,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:55,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:49:56,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:56,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598831073] [2022-11-03 02:49:56,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598831073] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:49:56,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296882716] [2022-11-03 02:49:56,274 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:49:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:56,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:56,277 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:49:56,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 02:49:56,372 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:49:56,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:49:56,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-03 02:49:56,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:49:56,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:49:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:49:56,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296882716] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:49:56,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [758587762] [2022-11-03 02:49:56,737 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:49:56,737 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:49:56,737 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:49:56,737 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:49:56,737 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:49:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:56,782 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:49:56,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:56,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:56,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:56,835 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:49:56,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:56,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:56,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:49:56,955 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:49:56,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:57,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:49:57,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:57,069 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:57,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:57,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:57,107 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:57,107 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:57,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:49:57,328 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:49:57,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:49:57,334 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:49:58,117 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1255#(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 [2022-11-03 02:49:58,118 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:49:58,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:49:58,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2022-11-03 02:49:58,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169007413] [2022-11-03 02:49:58,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:49:58,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-03 02:49:58,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:58,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-03 02:49:58,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-11-03 02:49:58,125 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) [2022-11-03 02:49:58,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:58,201 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2022-11-03 02:49:58,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-03 02:49:58,203 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 [2022-11-03 02:49:58,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:58,205 INFO L225 Difference]: With dead ends: 58 [2022-11-03 02:49:58,205 INFO L226 Difference]: Without dead ends: 44 [2022-11-03 02:49:58,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=490, Invalid=916, Unknown=0, NotChecked=0, Total=1406 [2022-11-03 02:49:58,207 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:58,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:49:58,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-03 02:49:58,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-03 02:49:58,216 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) [2022-11-03 02:49:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2022-11-03 02:49:58,217 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 28 [2022-11-03 02:49:58,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:58,218 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2022-11-03 02:49:58,218 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) [2022-11-03 02:49:58,218 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-11-03 02:49:58,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-03 02:49:58,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:58,219 INFO L195 NwaCegarLoop]: trace histogram [28, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:49:58,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:58,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 02:49:58,421 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:58,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:58,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1122167751, now seen corresponding path program 4 times [2022-11-03 02:49:58,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:58,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535034922] [2022-11-03 02:49:58,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:58,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:49:59,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:59,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535034922] [2022-11-03 02:49:59,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535034922] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:49:59,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170195977] [2022-11-03 02:49:59,300 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 02:49:59,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:49:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:59,305 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:49:59,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 02:49:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:59,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-03 02:49:59,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:59,495 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:49:59,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:00,689 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:50:00,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170195977] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:00,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1998054563] [2022-11-03 02:50:00,692 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:50:00,692 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:50:00,692 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:50:00,692 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:50:00,692 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:50:00,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:00,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:00,736 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:50:00,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:00,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:00,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:00,786 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:50:00,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:00,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:00,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:00,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:00,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:00,894 INFO L356 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-03 02:50:00,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:01,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:01,050 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 02:50:01,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:01,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:01,093 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:01,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:01,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:01,291 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:01,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:01,297 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:50:02,084 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1750#(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 [2022-11-03 02:50:02,085 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:50:02,085 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:50:02,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 60 [2022-11-03 02:50:02,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419163845] [2022-11-03 02:50:02,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:50:02,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-11-03 02:50:02,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:02,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-11-03 02:50:02,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-11-03 02:50:02,089 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) [2022-11-03 02:50:02,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:02,216 INFO L93 Difference]: Finished difference Result 88 states and 121 transitions. [2022-11-03 02:50:02,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-11-03 02:50:02,217 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 [2022-11-03 02:50:02,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:02,218 INFO L225 Difference]: With dead ends: 88 [2022-11-03 02:50:02,218 INFO L226 Difference]: Without dead ends: 74 [2022-11-03 02:50:02,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1855, Invalid=2701, Unknown=0, NotChecked=0, Total=4556 [2022-11-03 02:50:02,221 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:02,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:50:02,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-03 02:50:02,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-03 02:50:02,238 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) [2022-11-03 02:50:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2022-11-03 02:50:02,239 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 43 [2022-11-03 02:50:02,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:02,239 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2022-11-03 02:50:02,240 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) [2022-11-03 02:50:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2022-11-03 02:50:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 02:50:02,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:02,241 INFO L195 NwaCegarLoop]: trace histogram [58, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:02,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:02,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:02,457 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:02,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:02,457 INFO L85 PathProgramCache]: Analyzing trace with hash -176371737, now seen corresponding path program 5 times [2022-11-03 02:50:02,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:02,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850768373] [2022-11-03 02:50:02,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:02,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:50:05,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:05,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850768373] [2022-11-03 02:50:05,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850768373] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:50:05,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756377007] [2022-11-03 02:50:05,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:50:05,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:05,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:05,717 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:05,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 02:50:05,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-03 02:50:05,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:50:05,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 02:50:05,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:05,868 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-11-03 02:50:06,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:06,541 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:50:06,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,586 INFO L356 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-03 02:50:06,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,598 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:50:06,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:06,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,609 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:50:06,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 1 [2022-11-03 02:50:06,616 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:50:06,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,622 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:50:06,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:06,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,631 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 16 [2022-11-03 02:50:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1711 trivial. 0 not checked. [2022-11-03 02:50:06,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756377007] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:06,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2014866598] [2022-11-03 02:50:06,796 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:50:06,796 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:50:06,797 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:50:06,797 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:50:06,797 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:50:06,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:06,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:06,849 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:50:06,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:06,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:06,906 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:50:06,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:06,931 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:07,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:07,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:07,035 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:50:07,035 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:07,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:07,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:07,149 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:07,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:07,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:07,184 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:07,184 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:07,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:07,371 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:07,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:07,378 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:50:08,555 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2556#(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 [2022-11-03 02:50:08,555 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:50:08,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:50:08,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 7, 7] total 71 [2022-11-03 02:50:08,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048026799] [2022-11-03 02:50:08,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:50:08,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-11-03 02:50:08,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:08,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-11-03 02:50:08,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1887, Invalid=4275, Unknown=0, NotChecked=0, Total=6162 [2022-11-03 02:50:08,560 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 72 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 71 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:50:11,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:11,352 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2022-11-03 02:50:11,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-03 02:50:11,353 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 71 states have internal predecessors, (98), 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 [2022-11-03 02:50:11,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:11,354 INFO L225 Difference]: With dead ends: 94 [2022-11-03 02:50:11,354 INFO L226 Difference]: Without dead ends: 80 [2022-11-03 02:50:11,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3316 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=5617, Invalid=13843, Unknown=0, NotChecked=0, Total=19460 [2022-11-03 02:50:11,362 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:11,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 62 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:50:11,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-03 02:50:11,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2022-11-03 02:50:11,384 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) [2022-11-03 02:50:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2022-11-03 02:50:11,385 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 73 [2022-11-03 02:50:11,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:11,386 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2022-11-03 02:50:11,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 71 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:50:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2022-11-03 02:50:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 02:50:11,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:11,395 INFO L195 NwaCegarLoop]: trace histogram [59, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:11,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:11,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:50:11,601 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:11,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:11,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2105543894, now seen corresponding path program 6 times [2022-11-03 02:50:11,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:11,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187455590] [2022-11-03 02:50:11,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:11,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-03 02:50:14,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:14,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187455590] [2022-11-03 02:50:14,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187455590] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:50:14,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272270789] [2022-11-03 02:50:14,404 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:50:14,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:14,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:14,406 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:14,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-03 02:50:14,622 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:50:14,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:50:14,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:50:14,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-11-03 02:50:14,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:15,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-11-03 02:50:15,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272270789] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:15,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [557668059] [2022-11-03 02:50:15,241 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:50:15,241 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:50:15,241 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:50:15,242 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:50:15,242 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:50:15,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:15,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:15,292 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:50:15,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:15,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:15,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:15,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:15,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:15,326 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:15,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:15,430 INFO L356 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-03 02:50:15,431 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:15,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:15,560 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 02:50:15,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:15,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:15,633 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:15,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:15,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:15,825 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:15,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:15,832 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:50:16,931 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3522#(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 [2022-11-03 02:50:16,932 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:50:16,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:50:16,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 7, 7] total 70 [2022-11-03 02:50:16,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352392777] [2022-11-03 02:50:16,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:50:16,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-11-03 02:50:16,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:16,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-11-03 02:50:16,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=4051, Unknown=0, NotChecked=0, Total=6006 [2022-11-03 02:50:16,937 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) [2022-11-03 02:50:19,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:19,186 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2022-11-03 02:50:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-11-03 02:50:19,187 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 [2022-11-03 02:50:19,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:19,187 INFO L225 Difference]: With dead ends: 106 [2022-11-03 02:50:19,187 INFO L226 Difference]: Without dead ends: 81 [2022-11-03 02:50:19,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 211 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3286 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=5855, Invalid=13051, Unknown=0, NotChecked=0, Total=18906 [2022-11-03 02:50:19,192 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:19,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 60 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:50:19,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-03 02:50:19,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-03 02:50:19,211 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) [2022-11-03 02:50:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2022-11-03 02:50:19,213 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 77 [2022-11-03 02:50:19,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:19,213 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2022-11-03 02:50:19,214 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) [2022-11-03 02:50:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2022-11-03 02:50:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-03 02:50:19,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:19,215 INFO L195 NwaCegarLoop]: trace histogram [60, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:19,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:19,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:19,421 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:19,421 INFO L85 PathProgramCache]: Analyzing trace with hash 716402483, now seen corresponding path program 7 times [2022-11-03 02:50:19,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:19,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176275541] [2022-11-03 02:50:19,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:19,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-03 02:50:22,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:22,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176275541] [2022-11-03 02:50:22,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176275541] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:50:22,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341957060] [2022-11-03 02:50:22,141 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 02:50:22,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:22,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:22,143 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:22,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-03 02:50:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:22,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-03 02:50:22,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:22,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-03 02:50:22,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-03 02:50:26,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341957060] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:26,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [609093355] [2022-11-03 02:50:26,908 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:50:26,909 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:50:26,909 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:50:26,909 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:50:26,909 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:50:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:26,951 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:50:26,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:26,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:26,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:27,001 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:50:27,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:27,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:27,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:27,126 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:50:27,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:27,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:27,221 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 02:50:27,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:27,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:27,256 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:27,257 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:27,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:27,445 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:27,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:27,450 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:50:28,571 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4580#(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 [2022-11-03 02:50:28,571 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:50:28,571 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:50:28,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 124 [2022-11-03 02:50:28,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662138053] [2022-11-03 02:50:28,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:50:28,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-11-03 02:50:28,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:28,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-11-03 02:50:28,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-11-03 02:50:28,577 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) [2022-11-03 02:50:28,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:28,799 INFO L93 Difference]: Finished difference Result 162 states and 227 transitions. [2022-11-03 02:50:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-11-03 02:50:28,800 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 [2022-11-03 02:50:28,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:28,801 INFO L225 Difference]: With dead ends: 162 [2022-11-03 02:50:28,801 INFO L226 Difference]: Without dead ends: 143 [2022-11-03 02:50:28,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1524 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=7775, Invalid=9517, Unknown=0, NotChecked=0, Total=17292 [2022-11-03 02:50:28,803 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:28,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:50:28,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-03 02:50:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-03 02:50:28,834 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) [2022-11-03 02:50:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 145 transitions. [2022-11-03 02:50:28,835 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 145 transitions. Word has length 80 [2022-11-03 02:50:28,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:28,835 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 145 transitions. [2022-11-03 02:50:28,836 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) [2022-11-03 02:50:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 145 transitions. [2022-11-03 02:50:28,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-03 02:50:28,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:28,838 INFO L195 NwaCegarLoop]: trace histogram [122, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:28,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:29,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-03 02:50:29,040 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:29,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:29,040 INFO L85 PathProgramCache]: Analyzing trace with hash -582645485, now seen corresponding path program 8 times [2022-11-03 02:50:29,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:29,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210609159] [2022-11-03 02:50:29,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:29,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-03 02:50:38,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:38,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210609159] [2022-11-03 02:50:38,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210609159] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:50:38,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122773600] [2022-11-03 02:50:38,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:50:38,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:38,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:38,794 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:38,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-03 02:50:39,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-03 02:50:39,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:50:39,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-03 02:50:39,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:39,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:39,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-11-03 02:50:40,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:50:40,624 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:50:40,624 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:40,655 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:50:40,656 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 29 [2022-11-03 02:50:40,659 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 16 [2022-11-03 02:50:40,665 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:50:40,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:40,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:40,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:40,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 16 [2022-11-03 02:50:40,703 INFO L356 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-11-03 02:50:40,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 42 [2022-11-03 02:50:40,722 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:50:40,723 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:40,728 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:50:40,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:40,735 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:50:40,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 1 [2022-11-03 02:50:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7522 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 7503 trivial. 0 not checked. [2022-11-03 02:50:41,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122773600] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:50:41,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1097356338] [2022-11-03 02:50:41,371 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:50:41,371 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:50:41,372 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:50:41,372 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:50:41,372 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:50:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:41,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:41,416 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:50:41,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:41,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:41,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:41,461 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:50:41,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:41,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:41,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:41,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:50:41,569 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:50:41,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:41,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:50:41,676 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 02:50:41,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:41,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:41,711 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:41,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:41,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:50:41,942 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:50:41,943 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:50:41,949 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:50:43,593 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6145#(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 [2022-11-03 02:50:43,594 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:50:43,594 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:50:43,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [124, 9, 9] total 139 [2022-11-03 02:50:43,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080555978] [2022-11-03 02:50:43,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:50:43,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2022-11-03 02:50:43,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:43,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2022-11-03 02:50:43,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7837, Invalid=13625, Unknown=0, NotChecked=0, Total=21462 [2022-11-03 02:50:43,600 INFO L87 Difference]: Start difference. First operand 143 states and 145 transitions. Second operand has 140 states, 140 states have (on average 1.2285714285714286) internal successors, (172), 139 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:50:53,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:53,461 INFO L93 Difference]: Finished difference Result 208 states and 219 transitions. [2022-11-03 02:50:53,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-11-03 02:50:53,462 INFO L78 Accepts]: Start accepts. Automaton has has 140 states, 140 states have (on average 1.2285714285714286) internal successors, (172), 139 states have internal predecessors, (172), 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 [2022-11-03 02:50:53,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:53,463 INFO L225 Difference]: With dead ends: 208 [2022-11-03 02:50:53,463 INFO L226 Difference]: Without dead ends: 189 [2022-11-03 02:50:53,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 402 SyntacticMatches, 1 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12527 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=23919, Invalid=54201, Unknown=0, NotChecked=0, Total=78120 [2022-11-03 02:50:53,469 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 39 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:53,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 131 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:50:53,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-03 02:50:53,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 162. [2022-11-03 02:50:53,500 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) [2022-11-03 02:50:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 166 transitions. [2022-11-03 02:50:53,501 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 166 transitions. Word has length 142 [2022-11-03 02:50:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:53,501 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 166 transitions. [2022-11-03 02:50:53,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 1.2285714285714286) internal successors, (172), 139 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:50:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 166 transitions. [2022-11-03 02:50:53,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-03 02:50:53,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:53,503 INFO L195 NwaCegarLoop]: trace histogram [123, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 02:50:53,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-03 02:50:53,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-03 02:50:53,703 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:53,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:53,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1531451048, now seen corresponding path program 9 times [2022-11-03 02:50:53,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:53,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329299215] [2022-11-03 02:50:53,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:53,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:03,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-03 02:51:03,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:03,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329299215] [2022-11-03 02:51:03,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329299215] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:51:03,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932385794] [2022-11-03 02:51:03,257 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 02:51:03,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:51:03,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:51:03,258 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:51:03,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-03 02:51:03,652 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 02:51:03,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:51:03,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-03 02:51:03,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:51:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-03 02:51:03,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:51:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-03 02:51:21,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932385794] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:51:21,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [162502490] [2022-11-03 02:51:21,819 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:51:21,819 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:51:21,820 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:51:21,820 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:51:21,820 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:51:21,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:21,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:21,877 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:51:21,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:51:21,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:21,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:51:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:21,915 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:51:21,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:51:21,985 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-11-03 02:51:21,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:51:22,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:51:22,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:22,081 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:51:22,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:51:22,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:22,114 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:51:22,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:51:22,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:51:22,288 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:51:22,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:51:22,294 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:51:23,920 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8205#(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 [2022-11-03 02:51:23,920 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:51:23,920 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:51:23,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 125, 125] total 250 [2022-11-03 02:51:23,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881739576] [2022-11-03 02:51:23,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:51:23,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 251 states [2022-11-03 02:51:23,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:23,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 251 interpolants. [2022-11-03 02:51:23,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-11-03 02:51:23,929 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) [2022-11-03 02:51:24,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:24,787 INFO L93 Difference]: Finished difference Result 324 states and 456 transitions. [2022-11-03 02:51:24,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2022-11-03 02:51:24,788 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 [2022-11-03 02:51:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:24,790 INFO L225 Difference]: With dead ends: 324 [2022-11-03 02:51:24,790 INFO L226 Difference]: Without dead ends: 287 [2022-11-03 02:51:24,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3099 ImplicationChecksByTransitivity, 25.2s TimeCoverageRelationStatistics Valid=31400, Invalid=34906, Unknown=0, NotChecked=0, Total=66306 [2022-11-03 02:51:24,793 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:24,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:51:24,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-03 02:51:24,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2022-11-03 02:51:24,838 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) [2022-11-03 02:51:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 291 transitions. [2022-11-03 02:51:24,839 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 291 transitions. Word has length 147 [2022-11-03 02:51:24,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:24,839 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 291 transitions. [2022-11-03 02:51:24,840 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) [2022-11-03 02:51:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 291 transitions. [2022-11-03 02:51:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-03 02:51:24,843 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:24,843 INFO L195 NwaCegarLoop]: trace histogram [248, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 02:51:24,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-03 02:51:25,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:51:25,061 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:51:25,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:25,062 INFO L85 PathProgramCache]: Analyzing trace with hash -924104089, now seen corresponding path program 10 times [2022-11-03 02:51:25,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:25,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508615021] [2022-11-03 02:51:25,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:25,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-03 02:52:00,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:00,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508615021] [2022-11-03 02:52:00,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508615021] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:52:00,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498169602] [2022-11-03 02:52:00,780 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 02:52:00,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:52:00,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:52:00,781 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:52:00,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-03 02:52:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:01,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 250 conjunts are in the unsatisfiable core [2022-11-03 02:52:01,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:52:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-03 02:52:01,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:53:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30913 backedges. 0 proven. 30876 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-03 02:53:13,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498169602] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:53:13,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1725017084] [2022-11-03 02:53:13,303 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:53:13,303 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:53:13,303 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:53:13,303 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:53:13,304 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:53:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:13,355 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:53:13,355 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:53:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:13,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:13,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:53:13,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:13,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:53:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:53:13,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:53:13,469 INFO L356 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-03 02:53:13,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:53:13,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:53:13,587 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 02:53:13,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:53:13,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:53:13,623 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:53:13,623 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:53:13,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:53:13,795 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:53:13,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:53:13,800 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:53:16,204 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11487#(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 [2022-11-03 02:53:16,204 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:53:16,204 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:53:16,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [250, 250, 250] total 500 [2022-11-03 02:53:16,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041465111] [2022-11-03 02:53:16,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:53:16,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 501 states [2022-11-03 02:53:16,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:16,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 501 interpolants. [2022-11-03 02:53:16,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-11-03 02:53:16,231 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) [2022-11-03 02:53:20,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:20,821 INFO L93 Difference]: Finished difference Result 574 states and 831 transitions. [2022-11-03 02:53:20,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 500 states. [2022-11-03 02:53:20,823 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 [2022-11-03 02:53:20,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:20,825 INFO L225 Difference]: With dead ends: 574 [2022-11-03 02:53:20,826 INFO L226 Difference]: Without dead ends: 537 [2022-11-03 02:53:20,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 506 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6224 ImplicationChecksByTransitivity, 97.2s TimeCoverageRelationStatistics Valid=125275, Invalid=132281, Unknown=0, NotChecked=0, Total=257556 [2022-11-03 02:53:20,840 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:20,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:53:20,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-11-03 02:53:20,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2022-11-03 02:53:20,915 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) [2022-11-03 02:53:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 541 transitions. [2022-11-03 02:53:20,916 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 541 transitions. Word has length 272 [2022-11-03 02:53:20,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:20,916 INFO L495 AbstractCegarLoop]: Abstraction has 537 states and 541 transitions. [2022-11-03 02:53:20,917 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) [2022-11-03 02:53:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 541 transitions. [2022-11-03 02:53:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-11-03 02:53:20,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:20,929 INFO L195 NwaCegarLoop]: trace histogram [498, 6, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:20,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-03 02:53:21,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-03 02:53:21,145 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:21,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:21,145 INFO L85 PathProgramCache]: Analyzing trace with hash 915031047, now seen corresponding path program 11 times [2022-11-03 02:53:21,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:21,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450034356] [2022-11-03 02:53:21,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:21,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 124251 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-03 02:56:03,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:03,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450034356] [2022-11-03 02:56:03,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450034356] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:56:03,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864335722] [2022-11-03 02:56:03,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:56:03,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:56:03,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:56:03,890 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:56:03,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-03 02:56:04,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-03 02:56:04,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:56:04,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-03 02:56:04,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:56:04,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:10,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:11,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:11,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:11,695 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-11-03 02:56:13,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:56:21,660 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:56:21,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,342 INFO L356 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-03 02:56:55,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,353 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,389 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:55,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 113 treesize of output 1 [2022-11-03 02:56:55,396 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:55,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:56:55,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,502 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,592 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,633 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:55,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,659 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:55,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:56:55,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,703 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:55,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 113 treesize of output 1 [2022-11-03 02:56:55,710 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:55,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:56:55,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,766 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:55,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,774 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:55,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,960 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:55,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:55,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:55,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,099 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,111 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,491 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,585 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,712 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,726 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,869 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,911 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,926 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:56,927 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,941 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:56,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 [2022-11-03 02:56:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:56,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:56,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:56,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:56:57,002 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-03 02:56:57,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:56:57,052 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:56:57,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 848 treesize of output 1 [2022-11-03 02:56:57,067 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:56:57,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 1 [2022-11-03 02:56:57,088 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:56:57,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 973 [2022-11-03 02:56:58,931 INFO L356 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-11-03 02:56:58,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 848 treesize of output 1 [2022-11-03 02:56:58,981 INFO L356 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-03 02:56:58,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 985 [2022-11-03 02:57:01,801 INFO L356 Elim1Store]: treesize reduction 23, result has 30.3 percent of original size [2022-11-03 02:57:01,802 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 848 treesize of output 733 [2022-11-03 02:57:02,092 INFO L356 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-11-03 02:57:02,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 848 treesize of output 736 [2022-11-03 02:57:02,488 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:02,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 1 [2022-11-03 02:57:02,510 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:02,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 1 [2022-11-03 02:57:02,531 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:02,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 848 treesize of output 1 [2022-11-03 02:57:02,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,547 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:02,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:02,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,595 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:02,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:02,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:02,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:02,685 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:02,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 1 [2022-11-03 02:57:02,709 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:02,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 848 treesize of output 1 [2022-11-03 02:57:02,745 INFO L356 Elim1Store]: treesize reduction 13, result has 60.6 percent of original size [2022-11-03 02:57:02,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 587 treesize of output 502 [2022-11-03 02:57:02,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,914 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:02,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 206 treesize of output 1 [2022-11-03 02:57:02,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,930 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:02,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 269 treesize of output 1 [2022-11-03 02:57:02,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 127 treesize of output 95 [2022-11-03 02:57:02,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,960 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 190 treesize of output 148 [2022-11-03 02:57:02,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:02,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 56 treesize of output 46 [2022-11-03 02:57:03,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,053 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:03,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 848 treesize of output 1 [2022-11-03 02:57:03,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:03,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:03,197 INFO L356 Elim1Store]: treesize reduction 10, result has 69.7 percent of original size [2022-11-03 02:57:03,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 587 treesize of output 505 [2022-11-03 02:57:03,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,359 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:03,359 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 206 treesize of output 1 [2022-11-03 02:57:03,380 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:03,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 1 [2022-11-03 02:57:03,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,465 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:03,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 848 treesize of output 1 [2022-11-03 02:57:03,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:03,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,490 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:03,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:03,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:03,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,534 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:03,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 1 [2022-11-03 02:57:03,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:03,555 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:03,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 944 treesize of output 748 [2022-11-03 02:57:07,313 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:07,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 1 [2022-11-03 02:57:07,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,386 INFO L356 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2022-11-03 02:57:07,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 944 treesize of output 765 [2022-11-03 02:57:07,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,718 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:07,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,735 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:07,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,753 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:07,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,770 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:07,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,789 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:07,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,813 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:07,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,834 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:07,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:07,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,924 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:07,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 269 treesize of output 1 [2022-11-03 02:57:07,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:07,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:07,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,003 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:08,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:08,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 113 treesize of output 93 [2022-11-03 02:57:08,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,141 INFO L356 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2022-11-03 02:57:08,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 928 treesize of output 735 [2022-11-03 02:57:08,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,668 INFO L356 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2022-11-03 02:57:08,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 151 treesize of output 106 [2022-11-03 02:57:08,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,743 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:08,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:08,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,762 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:08,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:08,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:08,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,851 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:08,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 135 treesize of output 1 [2022-11-03 02:57:08,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,903 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:08,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 198 treesize of output 1 [2022-11-03 02:57:08,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,924 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:08,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 269 treesize of output 1 [2022-11-03 02:57:08,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,942 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:08,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:08,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:08,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:08,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,006 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,069 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,095 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:09,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 269 treesize of output 1 [2022-11-03 02:57:09,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,175 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1189 treesize of output 1 [2022-11-03 02:57:09,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,218 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 269 treesize of output 1 [2022-11-03 02:57:09,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,383 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:09,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,412 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,466 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 584 treesize of output 1 [2022-11-03 02:57:09,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,489 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,510 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,584 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,606 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:09,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,692 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:09,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,750 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,800 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,800 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,824 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:09,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:09,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,867 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 02:57:09,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,898 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,923 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 584 treesize of output 1 [2022-11-03 02:57:09,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,954 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 584 treesize of output 1 [2022-11-03 02:57:09,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:09,980 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:09,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:09,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,012 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:10,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 584 treesize of output 1 [2022-11-03 02:57:10,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,036 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-03 02:57:10,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:10,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:10,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:10,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 124288 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 124251 trivial. 0 not checked. [2022-11-03 02:57:33,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864335722] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:57:33,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [165304316] [2022-11-03 02:57:33,704 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-03 02:57:33,704 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:57:33,704 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:57:33,704 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:57:33,705 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:57:33,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:33,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:33,753 INFO L356 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2022-11-03 02:57:33,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:33,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:33,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:33,812 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-03 02:57:33,813 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:33,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:33,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:57:33,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:33,935 INFO L356 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-03 02:57:33,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:34,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:57:34,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:34,067 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:57:34,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:57:34,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:34,117 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:57:34,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:57:34,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:57:34,312 INFO L356 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-03 02:57:34,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 [2022-11-03 02:57:34,319 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:57:39,186 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17288#(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 [2022-11-03 02:57:39,186 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:57:39,187 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:57:39,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [500, 11, 11] total 519 [2022-11-03 02:57:39,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597922376] [2022-11-03 02:57:39,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:57:39,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 520 states [2022-11-03 02:57:39,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:39,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 520 interpolants. [2022-11-03 02:57:39,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125337, Invalid=151860, Unknown=5, NotChecked=0, Total=277202 [2022-11-03 02:57:39,219 INFO L87 Difference]: Start difference. First operand 537 states and 541 transitions. Second operand has 520 states, 520 states have (on average 1.0692307692307692) internal successors, (556), 519 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:00:16,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:00:16,760 INFO L93 Difference]: Finished difference Result 593 states and 602 transitions. [2022-11-03 03:00:16,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 513 states. [2022-11-03 03:00:16,761 INFO L78 Accepts]: Start accepts. Automaton has has 520 states, 520 states have (on average 1.0692307692307692) internal successors, (556), 519 states have internal predecessors, (556), 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 [2022-11-03 03:00:16,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:00:16,765 INFO L225 Difference]: With dead ends: 593 [2022-11-03 03:00:16,765 INFO L226 Difference]: Without dead ends: 556 [2022-11-03 03:00:16,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2567 GetRequests, 1538 SyntacticMatches, 1 SemanticMatches, 1028 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143922 ImplicationChecksByTransitivity, 267.2s TimeCoverageRelationStatistics Valid=376367, Invalid=683498, Unknown=5, NotChecked=0, Total=1059870 [2022-11-03 03:00:16,840 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 33 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:00:16,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 178 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 948 Invalid, 0 Unknown, 34 Unchecked, 1.0s Time] [2022-11-03 03:00:16,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-11-03 03:00:16,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 535. [2022-11-03 03:00:16,917 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) [2022-11-03 03:00:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 538 transitions. [2022-11-03 03:00:16,919 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 538 transitions. Word has length 522 [2022-11-03 03:00:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:00:16,920 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 538 transitions. [2022-11-03 03:00:16,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 520 states, 520 states have (on average 1.0692307692307692) internal successors, (556), 519 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:00:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 538 transitions. [2022-11-03 03:00:16,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2022-11-03 03:00:16,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:00:16,925 INFO L195 NwaCegarLoop]: trace histogram [499, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-03 03:00:16,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-03 03:00:17,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff9231f-15e2-44a3-8fff-9326cf80f3f2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-03 03:00:17,137 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:00:17,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:00:17,138 INFO L85 PathProgramCache]: Analyzing trace with hash -748358014, now seen corresponding path program 12 times [2022-11-03 03:00:17,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:00:17,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484118306] [2022-11-03 03:00:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:00:17,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:00:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat