./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/pcomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/pcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH --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 1472da9c0a8f011e4f758f37d66a1227b497d4a96142a431b3f2f304a275b1b7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:46:59,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:46:59,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:46:59,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:46:59,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:46:59,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:46:59,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:46:59,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:46:59,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:46:59,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:46:59,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:46:59,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:46:59,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:46:59,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:46:59,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:46:59,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:46:59,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:46:59,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:46:59,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:46:59,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:46:59,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:46:59,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:46:59,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:46:59,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:46:59,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:46:59,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:46:59,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:46:59,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:46:59,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:46:59,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:46:59,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:46:59,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:46:59,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:46:59,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:46:59,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:46:59,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:46:59,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:46:59,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:46:59,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:46:59,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:46:59,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:46:59,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:46:59,360 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:46:59,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:46:59,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:46:59,361 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:46:59,362 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:46:59,362 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:46:59,362 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:46:59,362 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:46:59,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:46:59,369 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:46:59,370 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:46:59,370 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:46:59,370 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:46:59,371 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:46:59,371 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:46:59,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:46:59,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:46:59,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:46:59,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:46:59,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:46:59,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:46:59,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:46:59,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:46:59,373 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:46:59,373 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:46:59,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:46:59,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:46:59,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:46:59,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:46:59,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:46:59,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:46:59,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:46:59,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:46:59,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:46:59,376 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:46:59,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:46:59,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:46:59,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:46:59,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:46:59,377 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1472da9c0a8f011e4f758f37d66a1227b497d4a96142a431b3f2f304a275b1b7 [2021-11-03 04:46:59,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:46:59,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:46:59,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:46:59,729 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:46:59,729 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:46:59,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-fpi/pcomp.c [2021-11-03 04:46:59,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/data/30d8207af/16e99e6cb7bc4bad8698b7bb809691d8/FLAG9ab2c99bb [2021-11-03 04:47:00,307 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:47:00,308 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/sv-benchmarks/c/array-fpi/pcomp.c [2021-11-03 04:47:00,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/data/30d8207af/16e99e6cb7bc4bad8698b7bb809691d8/FLAG9ab2c99bb [2021-11-03 04:47:00,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/data/30d8207af/16e99e6cb7bc4bad8698b7bb809691d8 [2021-11-03 04:47:00,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:47:00,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:47:00,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:47:00,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:47:00,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:47:00,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:47:00" (1/1) ... [2021-11-03 04:47:00,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7150d269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:00, skipping insertion in model container [2021-11-03 04:47:00,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:47:00" (1/1) ... [2021-11-03 04:47:00,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:47:00,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:47:00,889 WARN L228 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_5719e217-8d72-4fca-ada1-327cf4e8aace/sv-benchmarks/c/array-fpi/pcomp.c[588,601] [2021-11-03 04:47:00,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:47:00,940 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:47:00,954 WARN L228 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_5719e217-8d72-4fca-ada1-327cf4e8aace/sv-benchmarks/c/array-fpi/pcomp.c[588,601] [2021-11-03 04:47:00,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:47:01,003 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:47:01,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01 WrapperNode [2021-11-03 04:47:01,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:47:01,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:47:01,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:47:01,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:47:01,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:47:01,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:47:01,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:47:01,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:47:01,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:47:01,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:47:01,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:47:01,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:47:01,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (1/1) ... [2021-11-03 04:47:01,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:47:01,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:47:01,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:47:01,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:47:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:47:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:47:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 04:47:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:47:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:47:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:47:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 04:47:01,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:47:01,623 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-03 04:47:01,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:47:01 BoogieIcfgContainer [2021-11-03 04:47:01,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:47:01,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:47:01,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:47:01,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:47:01,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:47:00" (1/3) ... [2021-11-03 04:47:01,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a039d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:47:01, skipping insertion in model container [2021-11-03 04:47:01,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:47:01" (2/3) ... [2021-11-03 04:47:01,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a039d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:47:01, skipping insertion in model container [2021-11-03 04:47:01,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:47:01" (3/3) ... [2021-11-03 04:47:01,634 INFO L111 eAbstractionObserver]: Analyzing ICFG pcomp.c [2021-11-03 04:47:01,638 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:47:01,639 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:47:01,684 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:47:01,690 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:47:01,691 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:47:01,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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) [2021-11-03 04:47:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 04:47:01,708 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:01,709 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:01,709 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:01,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:01,715 INFO L85 PathProgramCache]: Analyzing trace with hash 697271499, now seen corresponding path program 1 times [2021-11-03 04:47:01,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:47:01,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738443120] [2021-11-03 04:47:01,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:01,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:47:01,865 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 04:47:01,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1475254203] [2021-11-03 04:47:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:01,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:47:01,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:47:01,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:47:01,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 04:47:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:01,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:47:01,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:02,138 INFO L354 Elim1Store]: treesize reduction 55, result has 40.9 percent of original size [2021-11-03 04:47:02,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 45 [2021-11-03 04:47:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:02,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:02,500 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:47:02,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738443120] [2021-11-03 04:47:02,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:47:02,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475254203] [2021-11-03 04:47:02,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475254203] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:47:02,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:47:02,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-03 04:47:02,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132784705] [2021-11-03 04:47:02,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:47:02,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:47:02,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:47:02,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:47:02,534 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-03 04:47:02,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:47:02,717 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2021-11-03 04:47:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:47:02,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 [2021-11-03 04:47:02,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:47:02,727 INFO L225 Difference]: With dead ends: 37 [2021-11-03 04:47:02,727 INFO L226 Difference]: Without dead ends: 22 [2021-11-03 04:47:02,730 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:47:02,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-03 04:47:02,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2021-11-03 04:47:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 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) [2021-11-03 04:47:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2021-11-03 04:47:02,765 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 21 transitions. Word has length 8 [2021-11-03 04:47:02,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:47:02,766 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-03 04:47:02,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-03 04:47:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2021-11-03 04:47:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 04:47:02,767 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:02,767 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:02,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:02,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:47:02,994 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:02,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:02,995 INFO L85 PathProgramCache]: Analyzing trace with hash 131371694, now seen corresponding path program 1 times [2021-11-03 04:47:02,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:47:02,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858659609] [2021-11-03 04:47:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:02,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:47:03,051 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 04:47:03,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658355659] [2021-11-03 04:47:03,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:03,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:47:03,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:47:03,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:47:03,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 04:47:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:03,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:47:03,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:03,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:03,246 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:47:03,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858659609] [2021-11-03 04:47:03,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:47:03,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658355659] [2021-11-03 04:47:03,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658355659] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:47:03,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:47:03,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-03 04:47:03,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978290344] [2021-11-03 04:47:03,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:47:03,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:47:03,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:47:03,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:47:03,258 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-11-03 04:47:03,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:47:03,383 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2021-11-03 04:47:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:47:03,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 [2021-11-03 04:47:03,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:47:03,385 INFO L225 Difference]: With dead ends: 36 [2021-11-03 04:47:03,385 INFO L226 Difference]: Without dead ends: 29 [2021-11-03 04:47:03,386 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:47:03,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-03 04:47:03,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 17. [2021-11-03 04:47:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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) [2021-11-03 04:47:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-11-03 04:47:03,391 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 9 [2021-11-03 04:47:03,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:47:03,392 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-03 04:47:03,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-11-03 04:47:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-03 04:47:03,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 04:47:03,393 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:03,393 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:03,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-03 04:47:03,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-03 04:47:03,606 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:03,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:03,606 INFO L85 PathProgramCache]: Analyzing trace with hash -197136011, now seen corresponding path program 1 times [2021-11-03 04:47:03,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:47:03,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250013387] [2021-11-03 04:47:03,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:03,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:47:03,638 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 04:47:03,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558628608] [2021-11-03 04:47:03,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:03,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:47:03,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:47:03,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:47:03,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 04:47:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:03,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:47:03,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:03,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:03,837 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:47:03,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250013387] [2021-11-03 04:47:03,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:47:03,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558628608] [2021-11-03 04:47:03,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558628608] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:47:03,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [624705950] [2021-11-03 04:47:03,864 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-03 04:47:03,865 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:47:03,871 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:47:03,876 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:47:03,876 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:47:03,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:03,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:03,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:03,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:47:03,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:03,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:03,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:47:03,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:47:03,951 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_21|]} [2021-11-03 04:47:03,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:03,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:03,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:03,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:47:03,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:03,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:47:03,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:03,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:47:03,967 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:03,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:04,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:47:04,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:47:04,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:47:04,030 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:04,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:47:04,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,069 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:47:04,085 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.8 percent of original size [2021-11-03 04:47:04,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:47:04,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-03 04:47:04,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:47:04,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2021-11-03 04:47:04,152 INFO L446 ElimStorePlain]: Different costs {12=[|v_#length_21|], 45=[|v_#valid_22|]} [2021-11-03 04:47:04,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,236 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:47:04,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 46 [2021-11-03 04:47:04,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 04:47:04,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-03 04:47:04,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:04,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:04,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:04,270 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:04,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,415 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-03 04:47:04,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 60 treesize of output 69 [2021-11-03 04:47:04,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:47:04,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-03 04:47:04,428 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:04,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 14 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 44 [2021-11-03 04:47:04,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 04:47:04,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-03 04:47:04,467 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:04,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,493 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 04:47:04,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-11-03 04:47:04,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,499 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:514, output treesize:209 [2021-11-03 04:47:04,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-03 04:47:04,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:47:04,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-03 04:47:04,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-03 04:47:04,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:47:04,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 04:47:04,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 165 [2021-11-03 04:47:04,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-03 04:47:04,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-03 04:47:04,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:04,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-11-03 04:47:04,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-03 04:47:04,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:04,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:04,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 78 [2021-11-03 04:47:04,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 04:47:04,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 04:47:04,700 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:04,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:04,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:04,728 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:04,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:04,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:04,751 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:04,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:04,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:04,769 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:04,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:04,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-03 04:47:04,804 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:47:04,804 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1061, output treesize:253 [2021-11-03 04:47:04,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:04,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:04,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:04,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-03 04:47:05,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:47:05,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-03 04:47:05,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-03 04:47:05,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:47:05,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 04:47:05,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 165 [2021-11-03 04:47:05,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-03 04:47:05,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-03 04:47:05,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-11-03 04:47:05,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 04:47:05,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 04:47:05,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-11-03 04:47:05,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-03 04:47:05,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-03 04:47:05,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-03 04:47:05,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-03 04:47:05,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-03 04:47:05,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:47:05,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-11-03 04:47:05,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 849 [2021-11-03 04:47:05,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 656 [2021-11-03 04:47:05,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 741 [2021-11-03 04:47:05,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:05,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,188 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:05,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,212 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:05,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,243 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 96 [2021-11-03 04:47:05,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 04:47:05,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 04:47:05,316 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:05,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,339 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:05,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 78 [2021-11-03 04:47:05,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 04:47:05,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-03 04:47:05,377 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,482 INFO L180 QuantifierPusher]: treesize reduction 145, result has 79.5 percent of original size [2021-11-03 04:47:05,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 561 [2021-11-03 04:47:05,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:47:05,494 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:2127, output treesize:561 [2021-11-03 04:47:05,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,634 INFO L180 QuantifierPusher]: treesize reduction 54, result has 81.5 percent of original size [2021-11-03 04:47:05,638 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:47:05,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-03 04:47:05,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:47:05,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:47:05,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:47:05,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2021-11-03 04:47:05,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:05,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:05,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,701 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:05,726 INFO L388 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 33 treesize of output 33 [2021-11-03 04:47:05,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:47:05,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:47:05,729 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 04:47:05,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:47:05,747 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:47:05,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-03 04:47:05,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:47:05,753 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:437, output treesize:103 [2021-11-03 04:47:05,762 INFO L180 QuantifierPusher]: treesize reduction 55, result has 53.0 percent of original size [2021-11-03 04:47:05,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:47:05,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:47:05,769 INFO L185 QuantifierPusher]: treesize reduction 4, result has 93.2 percent of original size 55 [2021-11-03 04:47:05,772 INFO L180 QuantifierPusher]: treesize reduction 5, result has 92.5 percent of original size [2021-11-03 04:47:05,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:47:05,780 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:47:06,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:47:06,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 04:47:06,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-11-03 04:47:06,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916949424] [2021-11-03 04:47:06,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:47:06,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:47:06,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:47:06,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-03 04:47:06,430 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-11-03 04:47:06,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:47:06,531 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-11-03 04:47:06,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 04:47:06,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 [2021-11-03 04:47:06,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:47:06,532 INFO L225 Difference]: With dead ends: 33 [2021-11-03 04:47:06,532 INFO L226 Difference]: Without dead ends: 27 [2021-11-03 04:47:06,533 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-03 04:47:06,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-03 04:47:06,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2021-11-03 04:47:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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) [2021-11-03 04:47:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2021-11-03 04:47:06,538 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 9 [2021-11-03 04:47:06,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:47:06,538 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-11-03 04:47:06,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2021-11-03 04:47:06,538 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-03 04:47:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 04:47:06,539 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:06,539 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:06,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:06,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:47:06,742 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:06,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:06,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1958511373, now seen corresponding path program 1 times [2021-11-03 04:47:06,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:47:06,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127542012] [2021-11-03 04:47:06,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:06,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:47:06,757 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 04:47:06,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023535447] [2021-11-03 04:47:06,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:06,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:47:06,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:47:06,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:47:06,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 04:47:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:06,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:47:06,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:06,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:47:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:47:06,926 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:47:06,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127542012] [2021-11-03 04:47:06,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:47:06,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023535447] [2021-11-03 04:47:06,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023535447] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:47:06,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:47:06,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-03 04:47:06,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235380411] [2021-11-03 04:47:06,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:47:06,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:47:06,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:47:06,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:47:06,929 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-11-03 04:47:07,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:47:07,017 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2021-11-03 04:47:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:47:07,018 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 [2021-11-03 04:47:07,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:47:07,018 INFO L225 Difference]: With dead ends: 29 [2021-11-03 04:47:07,018 INFO L226 Difference]: Without dead ends: 18 [2021-11-03 04:47:07,019 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:47:07,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-03 04:47:07,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2021-11-03 04:47:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2021-11-03 04:47:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-03 04:47:07,021 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 11 [2021-11-03 04:47:07,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:47:07,022 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-03 04:47:07,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2021-11-03 04:47:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-03 04:47:07,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 04:47:07,022 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:47:07,022 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:47:07,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:47:07,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:47:07,230 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:47:07,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:47:07,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1012980313, now seen corresponding path program 1 times [2021-11-03 04:47:07,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:47:07,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752058598] [2021-11-03 04:47:07,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:07,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:47:07,252 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 04:47:07,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621373374] [2021-11-03 04:47:07,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:47:07,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:47:07,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:47:07,254 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:47:07,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5719e217-8d72-4fca-ada1-327cf4e8aace/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 04:47:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:47:07,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-03 04:47:07,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:47:07,395 INFO L388 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 14 treesize of output 12 [2021-11-03 04:47:07,418 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-03 04:47:07,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 30 [2021-11-03 04:47:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:07,505 INFO L354 Elim1Store]: treesize reduction 41, result has 29.3 percent of original size [2021-11-03 04:47:07,506 INFO L388 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 3 case distinctions, treesize of input 49 treesize of output 60 [2021-11-03 04:47:09,105 INFO L354 Elim1Store]: treesize reduction 1514, result has 28.9 percent of original size [2021-11-03 04:47:09,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 53 case distinctions, treesize of input 270 treesize of output 794 [2021-11-03 04:47:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 574 treesize of output 463 [2021-11-03 04:47:20,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:20,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:21,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:21,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 574 treesize of output 463 [2021-11-03 04:47:22,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:22,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 574 treesize of output 463 [2021-11-03 04:47:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:22,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:22,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:22,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 574 treesize of output 463 [2021-11-03 04:47:24,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:24,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:24,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:24,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:24,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:24,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:24,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:24,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:24,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:24,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:24,469 INFO L354 Elim1Store]: treesize reduction 225, result has 21.6 percent of original size [2021-11-03 04:47:24,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 20 case distinctions, treesize of input 613 treesize of output 553 [2021-11-03 04:47:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:26,294 INFO L354 Elim1Store]: treesize reduction 287, result has 17.8 percent of original size [2021-11-03 04:47:26,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 613 treesize of output 553 [2021-11-03 04:47:32,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,459 INFO L354 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2021-11-03 04:47:32,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 974 treesize of output 838 [2021-11-03 04:47:32,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:32,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 112 [2021-11-03 04:47:33,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:33,289 INFO L354 Elim1Store]: treesize reduction 77, result has 15.4 percent of original size [2021-11-03 04:47:33,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 583 treesize of output 479 [2021-11-03 04:47:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 163 [2021-11-03 04:47:34,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:34,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:35,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 142 [2021-11-03 04:47:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,168 INFO L354 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2021-11-03 04:47:35,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 625 treesize of output 495 [2021-11-03 04:47:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:35,457 INFO L354 Elim1Store]: treesize reduction 52, result has 35.8 percent of original size [2021-11-03 04:47:35,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 652 treesize of output 556 [2021-11-03 04:47:36,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:36,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 129 [2021-11-03 04:47:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:37,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:37,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:37,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:37,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:37,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:37,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:37,307 INFO L354 Elim1Store]: treesize reduction 378, result has 8.9 percent of original size [2021-11-03 04:47:37,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 1016 treesize of output 904 [2021-11-03 04:47:39,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:39,709 INFO L354 Elim1Store]: treesize reduction 316, result has 10.5 percent of original size [2021-11-03 04:47:39,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 287 treesize of output 229 [2021-11-03 04:47:40,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:40,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 186 [2021-11-03 04:47:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:41,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:47:41,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:41,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 184 [2021-11-03 04:47:43,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:47:43,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 120