./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8 --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 da5783328d73eba8f05689c8b63c9b7f7c1c1eeab4600bb7173d3ddf64fb59e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:01:01,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:01:01,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:01:01,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:01:01,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:01:01,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:01:01,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:01:01,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:01:01,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:01:01,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:01:01,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:01:01,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:01:01,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:01:01,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:01:01,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:01:01,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:01:01,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:01:01,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:01:01,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:01:01,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:01:01,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:01:01,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:01:01,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:01:01,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:01:01,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:01:01,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:01:01,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:01:01,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:01:01,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:01:01,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:01:01,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:01:01,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:01:01,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:01:01,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:01:01,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:01:01,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:01:01,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:01:01,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:01:01,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:01:01,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:01:01,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:01:01,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:01:01,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:01:01,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:01:01,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:01:01,357 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:01:01,357 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:01:01,357 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:01:01,358 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:01:01,358 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:01:01,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:01:01,362 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:01:01,364 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:01:01,364 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:01:01,365 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:01:01,365 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:01:01,365 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:01:01,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:01:01,366 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:01:01,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:01:01,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:01:01,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:01:01,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:01:01,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:01:01,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:01:01,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:01:01,369 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:01:01,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:01:01,369 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:01:01,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:01:01,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:01:01,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:01:01,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:01:01,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:01:01,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:01:01,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:01:01,374 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:01:01,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:01:01,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:01:01,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:01:01,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:01:01,375 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_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da5783328d73eba8f05689c8b63c9b7f7c1c1eeab4600bb7173d3ddf64fb59e0 [2021-11-07 02:01:01,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:01:01,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:01:01,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:01:01,805 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:01:01,806 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:01:01,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/seq-pthread/cs_fib-1.i [2021-11-07 02:01:01,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/data/c60874f1e/4daf6a47f08d45f8a4ad80a04e325b75/FLAG604f09863 [2021-11-07 02:01:02,539 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:01:02,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/sv-benchmarks/c/seq-pthread/cs_fib-1.i [2021-11-07 02:01:02,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/data/c60874f1e/4daf6a47f08d45f8a4ad80a04e325b75/FLAG604f09863 [2021-11-07 02:01:02,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/data/c60874f1e/4daf6a47f08d45f8a4ad80a04e325b75 [2021-11-07 02:01:02,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:01:02,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:01:02,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:01:02,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:01:02,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:01:02,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:01:02" (1/1) ... [2021-11-07 02:01:02,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2692fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:02, skipping insertion in model container [2021-11-07 02:01:02,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:01:02" (1/1) ... [2021-11-07 02:01:02,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:01:02,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:01:03,225 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_71781a92-8b83-428e-9c0a-1638549768c5/sv-benchmarks/c/seq-pthread/cs_fib-1.i[23602,23615] [2021-11-07 02:01:03,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:01:03,408 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:01:03,441 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_71781a92-8b83-428e-9c0a-1638549768c5/sv-benchmarks/c/seq-pthread/cs_fib-1.i[23602,23615] [2021-11-07 02:01:03,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:01:03,600 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:01:03,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03 WrapperNode [2021-11-07 02:01:03,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:01:03,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:01:03,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:01:03,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:01:03,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:03,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:03,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:01:03,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:01:03,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:01:03,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:01:03,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:03,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:03,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:03,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:03,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:03,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:04,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:04,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:01:04,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:01:04,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:01:04,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:01:04,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (1/1) ... [2021-11-07 02:01:04,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:01:04,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:01:04,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:01:04,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:01:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 02:01:04,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 02:01:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:01:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:01:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:01:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:01:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:01:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:01:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:01:04,435 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:01:04,436 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:01:04,464 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:01:04,466 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:01:04,489 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:01:04,490 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:01:09,295 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-12: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 02:01:09,295 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-12: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 02:01:09,295 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-14: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 02:01:09,296 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-15: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 02:01:09,296 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-15: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 02:01:09,296 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-17: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 02:01:09,296 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-18: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 02:01:09,296 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-18: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 02:01:09,296 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##203: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 02:01:09,297 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-20: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 02:01:09,297 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-60: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 02:01:09,297 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-60: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 02:01:09,297 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-62: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 02:01:09,297 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-63: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 02:01:09,297 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-63: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 02:01:09,297 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-65: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 02:01:09,298 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-66: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 02:01:09,298 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-66: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 02:01:09,298 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-68: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 02:01:09,298 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 02:01:09,298 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-108: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 02:01:09,298 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-110: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 02:01:09,299 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-111: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 02:01:09,299 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-111: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 02:01:09,299 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-113: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 02:01:09,299 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-114: assume 0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256;__CS_cs_#t~ite7 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-07 02:01:09,299 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-114: assume !(0 != __CS_cs_#t~nondet6 && 5 == ~__CS_round~0 % 256);__CS_cs_#t~ite7 := ~__CS_ret~0 % 256; [2021-11-07 02:01:09,299 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L567-116: ~__CS_ret~0 := __CS_cs_#t~ite7;havoc __CS_cs_#t~nondet6;havoc __CS_cs_#t~ite7; [2021-11-07 02:01:09,300 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##204: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 02:01:09,300 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 02:01:09,300 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##211: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 02:01:09,300 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-4: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 02:01:09,300 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-5: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 02:01:09,300 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-6: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 02:01:09,300 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-20: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 02:01:09,301 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-21: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 02:01:09,301 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-22: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 02:01:09,301 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-36: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 02:01:09,301 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-37: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 02:01:09,301 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5-38: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256;assume -2147483648 <= __CS_cs_#t~nondet6 && __CS_cs_#t~nondet6 <= 2147483647; [2021-11-07 02:01:09,302 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-8: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 02:01:09,302 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-8: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 02:01:09,302 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-36: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 02:01:09,302 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-36: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 02:01:09,302 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-64: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 02:01:09,302 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L6-64: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 02:01:09,303 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 02:01:09,303 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 02:01:09,304 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 02:01:09,304 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 02:01:09,305 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-4: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-07 02:01:09,305 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-4: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 02:01:09,305 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-5: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-07 02:01:09,306 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-5: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet5, __CS_cs_#t~nondet6, __CS_cs_#t~ite7, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet5;havoc __CS_cs_#t~nondet5;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 6 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2021-11-07 02:01:09,306 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-6: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-07 02:01:09,306 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-6: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 02:01:09,306 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##353: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 02:01:09,306 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 02:01:09,307 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-20: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-07 02:01:09,312 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-20: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 02:01:09,312 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-21: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-07 02:01:09,313 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-21: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet5, __CS_cs_#t~nondet6, __CS_cs_#t~ite7, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet5;havoc __CS_cs_#t~nondet5;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 6 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2021-11-07 02:01:09,313 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-22: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-07 02:01:09,313 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-22: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 02:01:09,313 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-07 02:01:09,314 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-36: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 02:01:09,314 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume 0 == assume_abort_if_not_~cond;assume false; [2021-11-07 02:01:09,314 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-37: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-07 02:01:09,314 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-37: assume !(0 != ~__CS_ret~0 % 256);havoc __CS_cs_#t~nondet5, __CS_cs_#t~nondet6, __CS_cs_#t~ite7, __CS_cs_~k~0;__CS_cs_~k~0 := __CS_cs_#t~nondet5;havoc __CS_cs_#t~nondet5;assume_abort_if_not_#in~cond := (if ~__CS_round~0 % 256 + __CS_cs_~k~0 % 256 < 6 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; [2021-11-07 02:01:09,315 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-38: assume 0 != ~__CS_ret~0 % 256;main_thread_#res.base, main_thread_#res.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0.base, main_thread_~#id1~0.offset);havoc main_thread_~#id1~0.base, main_thread_~#id1~0.offset;call ULTIMATE.dealloc(main_thread_~#id2~0.base, main_thread_~#id2~0.offset);havoc main_thread_~#id2~0.base, main_thread_~#id2~0.offset; [2021-11-07 02:01:09,315 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L562-38: assume !(0 != ~__CS_ret~0 % 256); [2021-11-07 02:01:09,316 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !(0 == assume_abort_if_not_~cond); [2021-11-07 02:01:35,305 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:01:35,305 INFO L299 CfgBuilder]: Removed 322 assume(true) statements. [2021-11-07 02:01:35,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:01:35 BoogieIcfgContainer [2021-11-07 02:01:35,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:01:35,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:01:35,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:01:35,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:01:35,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:01:02" (1/3) ... [2021-11-07 02:01:35,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdcfdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:01:35, skipping insertion in model container [2021-11-07 02:01:35,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:01:03" (2/3) ... [2021-11-07 02:01:35,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdcfdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:01:35, skipping insertion in model container [2021-11-07 02:01:35,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:01:35" (3/3) ... [2021-11-07 02:01:35,320 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_fib-1.i [2021-11-07 02:01:35,326 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:01:35,327 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 02:01:35,381 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:01:35,388 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 [2021-11-07 02:01:35,389 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 02:01:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:01:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 02:01:35,413 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:01:35,414 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:01:35,415 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:01:35,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:01:35,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1479533590, now seen corresponding path program 1 times [2021-11-07 02:01:35,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:01:35,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814995760] [2021-11-07 02:01:35,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:01:35,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:01:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:01:35,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:01:35,901 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:01:35,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814995760] [2021-11-07 02:01:35,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814995760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:01:35,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:01:35,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 02:01:35,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560365100] [2021-11-07 02:01:35,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:01:35,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:01:35,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:01:35,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:01:35,929 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2021-11-07 02:01:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:01:38,054 INFO L93 Difference]: Finished difference Result 93 states and 151 transitions. [2021-11-07 02:01:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:01:38,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 10 [2021-11-07 02:01:38,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:01:38,067 INFO L225 Difference]: With dead ends: 93 [2021-11-07 02:01:38,067 INFO L226 Difference]: Without dead ends: 47 [2021-11-07 02:01:38,070 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:01:38,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-07 02:01:38,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2021-11-07 02:01:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.6444444444444444) internal successors, (74), 45 states have internal predecessors, (74), 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) [2021-11-07 02:01:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 74 transitions. [2021-11-07 02:01:38,111 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 74 transitions. Word has length 10 [2021-11-07 02:01:38,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:01:38,111 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 74 transitions. [2021-11-07 02:01:38,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2021-11-07 02:01:38,112 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2021-11-07 02:01:38,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 02:01:38,113 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:01:38,113 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:01:38,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 02:01:38,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:01:38,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:01:38,115 INFO L85 PathProgramCache]: Analyzing trace with hash 61516652, now seen corresponding path program 1 times [2021-11-07 02:01:38,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:01:38,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081168183] [2021-11-07 02:01:38,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:01:38,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:01:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:01:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:01:38,227 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:01:38,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081168183] [2021-11-07 02:01:38,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081168183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:01:38,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:01:38,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 02:01:38,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467122467] [2021-11-07 02:01:38,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:01:38,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:01:38,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:01:38,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:01:38,232 INFO L87 Difference]: Start difference. First operand 46 states and 74 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:01:38,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:01:38,296 INFO L93 Difference]: Finished difference Result 91 states and 148 transitions. [2021-11-07 02:01:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:01:38,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2021-11-07 02:01:38,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:01:38,298 INFO L225 Difference]: With dead ends: 91 [2021-11-07 02:01:38,306 INFO L226 Difference]: Without dead ends: 47 [2021-11-07 02:01:38,308 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:01:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-07 02:01:38,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-07 02:01:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 46 states have internal predecessors, (75), 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) [2021-11-07 02:01:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 75 transitions. [2021-11-07 02:01:38,330 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 75 transitions. Word has length 12 [2021-11-07 02:01:38,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:01:38,331 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 75 transitions. [2021-11-07 02:01:38,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:01:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2021-11-07 02:01:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 02:01:38,332 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:01:38,333 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:01:38,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 02:01:38,333 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:01:38,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:01:38,334 INFO L85 PathProgramCache]: Analyzing trace with hash 873766669, now seen corresponding path program 1 times [2021-11-07 02:01:38,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:01:38,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025533657] [2021-11-07 02:01:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:01:38,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:01:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:01:38,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:01:38,505 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:01:38,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025533657] [2021-11-07 02:01:38,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025533657] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:01:38,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585876179] [2021-11-07 02:01:38,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:01:38,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:01:38,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:01:38,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:01:38,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 02:01:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:01:38,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:01:38,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:01:39,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:01:39,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:01:39,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:01:39,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585876179] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:01:39,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [944442209] [2021-11-07 02:01:39,196 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 02:01:39,197 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:01:39,205 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:01:39,214 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:01:39,215 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:01:39,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:39,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:39,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:39,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:01:39,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:39,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:39,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 02:01:39,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:39,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:39,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 02:01:39,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:39,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:39,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:01:39,359 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:39,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:39,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:01:39,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:39,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:39,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 02:01:39,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:39,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:39,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 02:01:39,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-07 02:01:39,494 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_67|, v_~__CS_thread~0.offset_201, v_~__CS_thread~0.base_201], 351=[|v_#valid_333|]} [2021-11-07 02:01:39,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:40,961 INFO L244 Elim1Store]: Index analysis took 1391 ms [2021-11-07 02:01:40,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-07 02:01:40,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:40,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 02:01:40,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:40,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 02:01:40,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:01:40,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:01:41,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:41,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 02:01:41,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:41,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:01:41,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:41,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:01:41,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:01:41,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:01:41,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:41,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 02:01:41,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:41,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:01:41,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:41,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:01:41,386 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:01:41,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:01:41,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:41,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:41,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,184 INFO L244 Elim1Store]: Index analysis took 263 ms [2021-11-07 02:01:42,465 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-07 02:01:42,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-07 02:01:42,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 02:01:42,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 02:01:42,495 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:01:42,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:01:42,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,612 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_994|, |v_#memory_$Pointer$.offset_994|], 6=[|v_#memory_int_610|]} [2021-11-07 02:01:42,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 02:01:42,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:01:42,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:01:42,691 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:01:42,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:01:42,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 02:01:42,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:01:42,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:01:42,813 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:01:42,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:01:42,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:42,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-07 02:01:42,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:01:42,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:42,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:01:42,961 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:01:42,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:01:43,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-07 02:01:43,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:01:43,097 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:883, output treesize:640 [2021-11-07 02:01:43,133 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-07 02:01:43,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:01:43,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:01:43,147 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:01:43,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:01:43,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 02:01:43,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:01:43,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:01:43,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:01:43,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:01:43,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 02:01:43,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:01:43,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 02:01:43,189 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:01:43,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 02:01:43,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-07 02:01:43,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-07 02:01:43,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-07 02:01:43,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 796 [2021-11-07 02:01:43,266 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.offset_995|, |v_#memory_$Pointer$.base_995|], 36=[|v_#memory_int_611|]} [2021-11-07 02:01:43,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:01:43,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:01:43,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:01:43,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:01:43,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:01:43,300 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 02:01:43,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:01:43,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:01:43,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:01:43,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:01:43,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:01:43,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:01:43,426 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 02:01:43,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:01:43,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:01:43,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-07 02:01:43,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:01:43,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 02:01:43,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:01:43,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:01:43,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:01:43,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-07 02:01:43,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 02:01:43,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:01:43,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 02:01:43,655 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:01:43,656 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 02:01:43,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:01:43,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-11-07 02:01:43,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379481596] [2021-11-07 02:01:43,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:01:43,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:01:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:01:43,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:01:43,660 INFO L87 Difference]: Start difference. First operand 47 states and 75 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:01:43,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:01:43,746 INFO L93 Difference]: Finished difference Result 94 states and 152 transitions. [2021-11-07 02:01:43,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:01:43,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 02:01:43,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:01:43,749 INFO L225 Difference]: With dead ends: 94 [2021-11-07 02:01:43,749 INFO L226 Difference]: Without dead ends: 49 [2021-11-07 02:01:43,750 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:01:43,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-07 02:01:43,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-07 02:01:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.6041666666666667) internal successors, (77), 48 states have internal predecessors, (77), 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) [2021-11-07 02:01:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 77 transitions. [2021-11-07 02:01:43,758 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 77 transitions. Word has length 13 [2021-11-07 02:01:43,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:01:43,759 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 77 transitions. [2021-11-07 02:01:43,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:01:43,759 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2021-11-07 02:01:43,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 02:01:43,761 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:01:43,761 INFO L513 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:01:43,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 02:01:43,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-07 02:01:43,976 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:01:43,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:01:43,977 INFO L85 PathProgramCache]: Analyzing trace with hash -828068115, now seen corresponding path program 2 times [2021-11-07 02:01:43,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:01:43,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963213897] [2021-11-07 02:01:43,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:01:43,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:01:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:01:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:01:44,143 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:01:44,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963213897] [2021-11-07 02:01:44,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963213897] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:01:44,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829193588] [2021-11-07 02:01:44,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:01:44,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:01:44,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:01:44,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:01:44,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 02:01:45,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-07 02:01:45,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:01:45,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:01:45,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:01:46,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 02:01:46,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:01:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 02:01:46,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829193588] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:01:46,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 02:01:46,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-11-07 02:01:46,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735651489] [2021-11-07 02:01:46,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:01:46,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:01:46,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:01:46,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:01:46,163 INFO L87 Difference]: Start difference. First operand 49 states and 77 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-11-07 02:01:59,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:01:59,498 INFO L93 Difference]: Finished difference Result 80 states and 125 transitions. [2021-11-07 02:01:59,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:01:59,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 15 [2021-11-07 02:01:59,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:01:59,501 INFO L225 Difference]: With dead ends: 80 [2021-11-07 02:01:59,502 INFO L226 Difference]: Without dead ends: 66 [2021-11-07 02:01:59,502 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:01:59,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-07 02:01:59,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-11-07 02:01:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.5846153846153845) internal successors, (103), 65 states have internal predecessors, (103), 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) [2021-11-07 02:01:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 103 transitions. [2021-11-07 02:01:59,514 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 103 transitions. Word has length 15 [2021-11-07 02:01:59,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:01:59,515 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 103 transitions. [2021-11-07 02:01:59,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-11-07 02:01:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2021-11-07 02:01:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 02:01:59,517 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:01:59,517 INFO L513 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:01:59,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:01:59,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-07 02:01:59,740 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:01:59,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:01:59,741 INFO L85 PathProgramCache]: Analyzing trace with hash -93430106, now seen corresponding path program 1 times [2021-11-07 02:01:59,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:01:59,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209447378] [2021-11-07 02:01:59,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:01:59,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:01:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:01:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:01:59,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:01:59,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209447378] [2021-11-07 02:01:59,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209447378] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:01:59,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041936763] [2021-11-07 02:01:59,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:01:59,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:01:59,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:01:59,900 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:01:59,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 02:02:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:02:00,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:02:00,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:02:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:02:00,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:02:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 02:02:00,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041936763] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:02:00,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [639312869] [2021-11-07 02:02:00,522 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-07 02:02:00,522 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:02:00,522 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:02:00,522 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:02:00,523 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:02:00,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:00,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 02:02:00,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:00,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 02:02:00,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:00,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:02:00,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:00,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 02:02:00,563 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:00,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:02:00,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:00,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 02:02:00,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:00,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:02:00,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-07 02:02:00,599 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_205, |v_#length_69|, v_~__CS_thread~0.offset_205], 351=[|v_#valid_335|]} [2021-11-07 02:02:00,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 02:02:00,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:02:00,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:02:00,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:00,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:00,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:00,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:01,868 INFO L244 Elim1Store]: Index analysis took 1123 ms [2021-11-07 02:02:01,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-07 02:02:01,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:01,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 02:02:01,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:01,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 02:02:01,885 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:01,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:01,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:02,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 02:02:02,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:02,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:02:02,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:02,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:02:02,015 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:02,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:02,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:02,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:02,630 INFO L244 Elim1Store]: Index analysis took 213 ms [2021-11-07 02:02:02,935 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-07 02:02:02,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-07 02:02:02,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:02,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 02:02:02,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:02,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 02:02:02,965 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:02,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:03,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,037 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_1008|, |v_#memory_$Pointer$.offset_1008|], 6=[|v_#memory_int_624|]} [2021-11-07 02:02:03,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 02:02:03,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:02:03,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:02:03,111 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:03,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:03,180 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 02:02:03,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:02:03,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:02:03,230 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:03,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:03,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:03,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-07 02:02:03,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:02:03,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:02:03,421 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:03,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:03,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-07 02:02:03,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:02:03,537 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:883, output treesize:640 [2021-11-07 02:02:03,564 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-07 02:02:03,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:02:03,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:02:03,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:03,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:03,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 02:02:03,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:03,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 02:02:03,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:03,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 02:02:03,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-07 02:02:03,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-07 02:02:03,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-07 02:02:03,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:02:03,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:02:03,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:03,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:03,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 02:02:03,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 796 [2021-11-07 02:02:03,653 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.offset_1009|, |v_#memory_$Pointer$.base_1009|], 36=[|v_#memory_int_625|]} [2021-11-07 02:02:03,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:03,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:03,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:03,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:03,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:03,691 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 02:02:03,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:03,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:03,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:03,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:03,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:03,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:03,817 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 02:02:03,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:03,894 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:03,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-07 02:02:03,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:02:03,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 02:02:03,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:03,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:03,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:02:03,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:02:04,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-07 02:02:04,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:04,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 02:02:04,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:04,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 02:02:04,045 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:04,045 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 02:02:04,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:02:04,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-07 02:02:04,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713260401] [2021-11-07 02:02:04,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:02:04,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:02:04,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:02:04,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:02:04,047 INFO L87 Difference]: Start difference. First operand 66 states and 103 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-11-07 02:02:06,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:02:06,193 INFO L93 Difference]: Finished difference Result 140 states and 218 transitions. [2021-11-07 02:02:06,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:02:06,194 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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 17 [2021-11-07 02:02:06,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:02:06,195 INFO L225 Difference]: With dead ends: 140 [2021-11-07 02:02:06,195 INFO L226 Difference]: Without dead ends: 81 [2021-11-07 02:02:06,196 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:02:06,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-11-07 02:02:06,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-11-07 02:02:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.5125) internal successors, (121), 80 states have internal predecessors, (121), 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) [2021-11-07 02:02:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2021-11-07 02:02:06,209 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 17 [2021-11-07 02:02:06,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:02:06,209 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2021-11-07 02:02:06,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-11-07 02:02:06,210 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2021-11-07 02:02:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 02:02:06,212 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:02:06,212 INFO L513 BasicCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:02:06,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:02:06,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:02:06,432 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:02:06,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:02:06,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1087671331, now seen corresponding path program 2 times [2021-11-07 02:02:06,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:02:06,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782739363] [2021-11-07 02:02:06,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:02:06,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:02:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:02:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-07 02:02:06,795 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:02:06,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782739363] [2021-11-07 02:02:06,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782739363] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:02:06,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:02:06,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 02:02:06,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707182180] [2021-11-07 02:02:06,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:02:06,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:02:06,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:02:06,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:02:06,799 INFO L87 Difference]: Start difference. First operand 81 states and 121 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:02:16,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:02:16,347 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2021-11-07 02:02:16,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:02:16,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 02:02:16,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:02:16,350 INFO L225 Difference]: With dead ends: 86 [2021-11-07 02:02:16,350 INFO L226 Difference]: Without dead ends: 68 [2021-11-07 02:02:16,350 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:02:16,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-07 02:02:16,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-11-07 02:02:16,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 67 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:02:16,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2021-11-07 02:02:16,361 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 32 [2021-11-07 02:02:16,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:02:16,362 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2021-11-07 02:02:16,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:02:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2021-11-07 02:02:16,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 02:02:16,364 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:02:16,364 INFO L513 BasicCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:02:16,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 02:02:16,365 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:02:16,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:02:16,366 INFO L85 PathProgramCache]: Analyzing trace with hash 128827961, now seen corresponding path program 1 times [2021-11-07 02:02:16,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:02:16,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795675884] [2021-11-07 02:02:16,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:02:16,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:02:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:02:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-07 02:02:16,709 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:02:16,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795675884] [2021-11-07 02:02:16,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795675884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:02:16,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:02:16,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 02:02:16,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373519798] [2021-11-07 02:02:16,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:02:16,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:02:16,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:02:16,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:02:16,712 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:02:24,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:02:24,745 INFO L93 Difference]: Finished difference Result 86 states and 125 transitions. [2021-11-07 02:02:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:02:24,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 02:02:24,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:02:24,747 INFO L225 Difference]: With dead ends: 86 [2021-11-07 02:02:24,747 INFO L226 Difference]: Without dead ends: 55 [2021-11-07 02:02:24,748 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:02:24,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-07 02:02:24,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-07 02:02:24,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 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) [2021-11-07 02:02:24,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2021-11-07 02:02:24,758 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 32 [2021-11-07 02:02:24,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:02:24,759 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2021-11-07 02:02:24,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:02:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2021-11-07 02:02:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 02:02:24,761 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:02:24,761 INFO L513 BasicCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:02:24,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 02:02:24,762 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:02:24,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:02:24,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1685057508, now seen corresponding path program 1 times [2021-11-07 02:02:24,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:02:24,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660911763] [2021-11-07 02:02:24,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:02:24,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:02:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:02:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 02:02:25,009 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:02:25,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660911763] [2021-11-07 02:02:25,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660911763] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:02:25,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589614702] [2021-11-07 02:02:25,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:02:25,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:02:25,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:02:25,016 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:02:25,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 02:02:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:02:25,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:02:25,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:02:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 02:02:25,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:02:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 02:02:25,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589614702] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:02:25,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1493494934] [2021-11-07 02:02:25,871 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-07 02:02:25,872 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:02:25,872 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:02:25,872 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:02:25,873 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:02:25,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:25,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:25,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:25,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:02:25,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:25,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:25,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:02:25,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:25,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:25,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 02:02:25,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:25,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:25,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:02:25,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:25,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:25,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 02:02:25,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:25,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:25,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 02:02:25,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:25,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:25,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 02:02:25,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-07 02:02:25,955 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_208, |v_#length_71|, v_~__CS_thread~0.offset_208], 351=[|v_#valid_337|]} [2021-11-07 02:02:26,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 02:02:26,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:26,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:02:26,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:26,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:02:26,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:26,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:26,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:26,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:26,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,405 INFO L244 Elim1Store]: Index analysis took 1293 ms [2021-11-07 02:02:27,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-07 02:02:27,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:27,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 02:02:27,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:27,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 02:02:27,414 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:27,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:27,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:27,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 02:02:27,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:27,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:02:27,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:27,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:02:27,527 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:27,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:27,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:27,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:27,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:28,272 INFO L244 Elim1Store]: Index analysis took 309 ms [2021-11-07 02:02:28,580 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-07 02:02:28,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-07 02:02:28,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:28,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 02:02:28,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:28,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 02:02:28,608 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:28,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:28,712 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:28,718 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_1029|, |v_#memory_$Pointer$.base_1029|], 6=[|v_#memory_int_645|]} [2021-11-07 02:02:28,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 02:02:28,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:28,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:02:28,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:28,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:02:28,763 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:28,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:28,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:28,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 02:02:28,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:28,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:02:28,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:28,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:02:28,894 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:28,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:28,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:29,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:29,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:29,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:29,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:29,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-07 02:02:29,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:02:29,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:02:29,062 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:29,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:29,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-07 02:02:29,194 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:02:29,194 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:883, output treesize:640 [2021-11-07 02:02:29,244 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-07 02:02:29,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:02:29,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:02:29,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:29,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:29,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 02:02:29,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:29,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 02:02:29,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:29,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 02:02:29,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-07 02:02:29,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-07 02:02:29,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-07 02:02:29,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:02:29,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:02:29,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:29,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:29,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 02:02:29,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 796 [2021-11-07 02:02:29,351 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.offset_1030|, |v_#memory_$Pointer$.base_1030|], 36=[|v_#memory_int_646|]} [2021-11-07 02:02:29,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:29,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:29,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:29,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:29,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:29,390 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 02:02:29,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:29,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:29,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:29,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:29,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:02:29,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:02:29,508 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 02:02:29,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:02:29,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:29,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-07 02:02:29,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:02:29,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 02:02:29,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:02:29,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:02:29,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:02:29,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-07 02:02:29,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 02:02:29,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:29,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 02:02:29,691 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:02:29,691 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 02:02:29,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:02:29,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2021-11-07 02:02:29,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245180226] [2021-11-07 02:02:29,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:02:29,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:02:29,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:02:29,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:02:29,696 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:02:33,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:02:33,876 INFO L93 Difference]: Finished difference Result 98 states and 141 transitions. [2021-11-07 02:02:33,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:02:33,877 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 02:02:33,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:02:33,878 INFO L225 Difference]: With dead ends: 98 [2021-11-07 02:02:33,879 INFO L226 Difference]: Without dead ends: 65 [2021-11-07 02:02:33,879 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:02:33,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-07 02:02:33,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-11-07 02:02:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 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) [2021-11-07 02:02:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 89 transitions. [2021-11-07 02:02:33,887 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 89 transitions. Word has length 32 [2021-11-07 02:02:33,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:02:33,888 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 89 transitions. [2021-11-07 02:02:33,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:02:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2021-11-07 02:02:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 02:02:33,890 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:02:33,890 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:02:33,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:02:34,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-07 02:02:34,100 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:02:34,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:02:34,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1823223300, now seen corresponding path program 2 times [2021-11-07 02:02:34,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:02:34,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816638813] [2021-11-07 02:02:34,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:02:34,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:02:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:02:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-07 02:02:48,053 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:02:48,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816638813] [2021-11-07 02:02:48,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816638813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:02:48,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:02:48,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 02:02:48,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731117121] [2021-11-07 02:02:48,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:02:48,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:02:48,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:02:48,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:02:48,055 INFO L87 Difference]: Start difference. First operand 65 states and 89 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:03:03,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:03:03,599 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2021-11-07 02:03:03,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:03:03,600 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-07 02:03:03,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:03:03,601 INFO L225 Difference]: With dead ends: 106 [2021-11-07 02:03:03,601 INFO L226 Difference]: Without dead ends: 92 [2021-11-07 02:03:03,602 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:03:03,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-07 02:03:03,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 68. [2021-11-07 02:03:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 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) [2021-11-07 02:03:03,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 92 transitions. [2021-11-07 02:03:03,613 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 92 transitions. Word has length 42 [2021-11-07 02:03:03,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:03:03,614 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 92 transitions. [2021-11-07 02:03:03,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:03:03,614 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2021-11-07 02:03:03,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 02:03:03,616 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:03:03,616 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:03:03,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-07 02:03:03,617 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:03:03,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:03:03,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1340144117, now seen corresponding path program 1 times [2021-11-07 02:03:03,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:03:03,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114720189] [2021-11-07 02:03:03,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:03:03,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:03:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:03:06,318 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-07 02:03:06,318 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:03:06,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114720189] [2021-11-07 02:03:06,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114720189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:03:06,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:03:06,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 02:03:06,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49902265] [2021-11-07 02:03:06,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:03:06,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:03:06,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:03:06,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:03:06,321 INFO L87 Difference]: Start difference. First operand 68 states and 92 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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) [2021-11-07 02:03:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:03:12,749 INFO L93 Difference]: Finished difference Result 77 states and 99 transitions. [2021-11-07 02:03:12,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:03:12,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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) Word has length 44 [2021-11-07 02:03:12,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:03:12,751 INFO L225 Difference]: With dead ends: 77 [2021-11-07 02:03:12,751 INFO L226 Difference]: Without dead ends: 69 [2021-11-07 02:03:12,752 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:03:12,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-07 02:03:12,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2021-11-07 02:03:12,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 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) [2021-11-07 02:03:12,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2021-11-07 02:03:12,764 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 44 [2021-11-07 02:03:12,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:03:12,765 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-11-07 02:03:12,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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) [2021-11-07 02:03:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-11-07 02:03:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 02:03:12,767 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:03:12,767 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:03:12,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-07 02:03:12,768 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:03:12,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:03:12,768 INFO L85 PathProgramCache]: Analyzing trace with hash 381300747, now seen corresponding path program 1 times [2021-11-07 02:03:12,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:03:12,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867178680] [2021-11-07 02:03:12,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:03:12,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:03:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:03:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-07 02:03:14,233 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:03:14,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867178680] [2021-11-07 02:03:14,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867178680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:03:14,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:03:14,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 02:03:14,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669450078] [2021-11-07 02:03:14,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:03:14,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:03:14,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:03:14,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:03:14,235 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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) [2021-11-07 02:03:17,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:03:17,589 INFO L93 Difference]: Finished difference Result 87 states and 115 transitions. [2021-11-07 02:03:17,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:03:17,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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) Word has length 44 [2021-11-07 02:03:17,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:03:17,599 INFO L225 Difference]: With dead ends: 87 [2021-11-07 02:03:17,599 INFO L226 Difference]: Without dead ends: 69 [2021-11-07 02:03:17,600 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:03:17,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-07 02:03:17,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2021-11-07 02:03:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.34375) internal successors, (86), 64 states have internal predecessors, (86), 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) [2021-11-07 02:03:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 86 transitions. [2021-11-07 02:03:17,628 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 86 transitions. Word has length 44 [2021-11-07 02:03:17,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:03:17,629 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 86 transitions. [2021-11-07 02:03:17,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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) [2021-11-07 02:03:17,630 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2021-11-07 02:03:17,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 02:03:17,638 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:03:17,638 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:03:17,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-07 02:03:17,639 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:03:17,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:03:17,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1185140574, now seen corresponding path program 1 times [2021-11-07 02:03:17,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:03:17,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306949211] [2021-11-07 02:03:17,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:03:17,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:03:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:03:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-07 02:03:19,699 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:03:19,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306949211] [2021-11-07 02:03:19,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306949211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:03:19,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:03:19,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 02:03:19,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887396320] [2021-11-07 02:03:19,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:03:19,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:03:19,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:03:19,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:03:19,701 INFO L87 Difference]: Start difference. First operand 65 states and 86 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-11-07 02:03:25,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:03:25,176 INFO L93 Difference]: Finished difference Result 87 states and 114 transitions. [2021-11-07 02:03:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:03:25,177 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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 47 [2021-11-07 02:03:25,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:03:25,178 INFO L225 Difference]: With dead ends: 87 [2021-11-07 02:03:25,178 INFO L226 Difference]: Without dead ends: 65 [2021-11-07 02:03:25,179 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:03:25,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-07 02:03:25,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 61. [2021-11-07 02:03:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.3) internal successors, (78), 60 states have internal predecessors, (78), 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) [2021-11-07 02:03:25,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2021-11-07 02:03:25,188 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 47 [2021-11-07 02:03:25,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:03:25,189 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2021-11-07 02:03:25,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-11-07 02:03:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2021-11-07 02:03:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 02:03:25,190 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:03:25,191 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:03:25,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-07 02:03:25,191 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:03:25,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:03:25,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1999846497, now seen corresponding path program 1 times [2021-11-07 02:03:25,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:03:25,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771152459] [2021-11-07 02:03:25,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:03:25,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:03:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:03:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-07 02:03:37,950 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:03:37,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771152459] [2021-11-07 02:03:37,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771152459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:03:37,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:03:37,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-07 02:03:37,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236712009] [2021-11-07 02:03:37,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 02:03:37,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:03:37,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 02:03:37,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:03:37,952 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 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) [2021-11-07 02:03:43,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:03:43,969 INFO L93 Difference]: Finished difference Result 86 states and 111 transitions. [2021-11-07 02:03:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 02:03:43,970 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 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 47 [2021-11-07 02:03:43,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:03:43,972 INFO L225 Difference]: With dead ends: 86 [2021-11-07 02:03:43,972 INFO L226 Difference]: Without dead ends: 82 [2021-11-07 02:03:43,973 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2021-11-07 02:03:43,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-07 02:03:43,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 67. [2021-11-07 02:03:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 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) [2021-11-07 02:03:43,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2021-11-07 02:03:43,980 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 47 [2021-11-07 02:03:43,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:03:43,981 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2021-11-07 02:03:43,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 states have internal predecessors, (20), 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) [2021-11-07 02:03:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2021-11-07 02:03:43,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 02:03:43,982 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:03:43,982 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:03:43,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-07 02:03:43,982 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:03:43,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:03:43,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1775975491, now seen corresponding path program 1 times [2021-11-07 02:03:43,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:03:43,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951529847] [2021-11-07 02:03:43,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:03:43,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:03:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:03:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-07 02:03:44,135 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:03:44,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951529847] [2021-11-07 02:03:44,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951529847] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:03:44,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764184560] [2021-11-07 02:03:44,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:03:44,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:03:44,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:03:44,145 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:03:44,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 02:03:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:03:44,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:03:44,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:03:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-07 02:03:44,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:03:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-07 02:03:44,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764184560] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:03:44,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1595456938] [2021-11-07 02:03:44,845 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2021-11-07 02:03:44,845 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:03:44,845 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:03:44,846 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:03:44,846 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:03:44,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:44,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 02:03:44,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:44,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:03:44,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:44,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 02:03:44,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:44,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 02:03:44,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:44,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:03:44,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:44,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 02:03:44,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:44,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:03:44,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 892 [2021-11-07 02:03:44,914 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_209, |v_#length_72|, v_~__CS_thread~0.offset_209], 351=[|v_#valid_338|]} [2021-11-07 02:03:44,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 02:03:44,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:03:44,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:44,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:03:44,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:03:44,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:03:45,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:45,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:45,979 INFO L244 Elim1Store]: Index analysis took 929 ms [2021-11-07 02:03:45,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-07 02:03:45,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:45,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 02:03:45,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:45,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 02:03:45,985 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:03:45,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:03:46,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:46,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 02:03:46,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:46,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:03:46,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:46,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:03:46,084 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:03:46,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:03:46,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:46,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:46,640 INFO L244 Elim1Store]: Index analysis took 152 ms [2021-11-07 02:03:46,888 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-07 02:03:46,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-07 02:03:46,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:46,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 02:03:46,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:46,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-07 02:03:46,921 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:03:46,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:03:46,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:46,972 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_1033|, |v_#memory_$Pointer$.base_1033|], 6=[|v_#memory_int_649|]} [2021-11-07 02:03:47,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 02:03:47,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:03:47,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:03:47,017 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:03:47,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:03:47,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-07 02:03:47,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:03:47,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-07 02:03:47,105 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:03:47,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:03:47,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:47,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:47,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-07 02:03:47,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:03:47,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 02:03:47,225 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:03:47,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:03:47,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-07 02:03:47,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:03:47,361 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:883, output treesize:640 [2021-11-07 02:03:47,383 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-07 02:03:47,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:03:47,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:03:47,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:03:47,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:03:47,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 02:03:47,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:03:47,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:03:47,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 02:03:47,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 02:03:47,397 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 02:03:47,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:03:47,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 02:03:47,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:03:47,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 02:03:47,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-11-07 02:03:47,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 269 [2021-11-07 02:03:47,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-07 02:03:47,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 796 [2021-11-07 02:03:47,450 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.base_6|], 3=[|v_#memory_$Pointer$.base_1034|, |v_#memory_$Pointer$.offset_1034|], 36=[|v_#memory_int_650|]} [2021-11-07 02:03:47,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:03:47,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:03:47,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:03:47,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:03:47,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:03:47,499 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 02:03:47,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:03:47,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:03:47,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:03:47,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:03:47,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 02:03:47,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 02:03:47,581 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 02:03:47,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:03:47,623 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:03:47,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-07 02:03:47,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:03:47,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 02:03:47,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:03:47,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 02:03:47,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:03:47,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-07 02:03:47,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 02:03:47,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:03:47,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 02:03:47,720 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:03:47,720 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:157) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:239) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-07 02:03:47,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 02:03:47,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 02:03:47,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088678078] [2021-11-07 02:03:47,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:03:47,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:03:47,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:03:47,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:03:47,723 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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) [2021-11-07 02:03:47,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:03:47,873 INFO L93 Difference]: Finished difference Result 162 states and 215 transitions. [2021-11-07 02:03:47,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:03:47,874 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 50 [2021-11-07 02:03:47,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:03:47,875 INFO L225 Difference]: With dead ends: 162 [2021-11-07 02:03:47,875 INFO L226 Difference]: Without dead ends: 139 [2021-11-07 02:03:47,875 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:03:47,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-11-07 02:03:47,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 79. [2021-11-07 02:03:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 78 states have internal predecessors, (102), 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) [2021-11-07 02:03:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2021-11-07 02:03:47,887 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 50 [2021-11-07 02:03:47,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:03:47,887 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2021-11-07 02:03:47,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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) [2021-11-07 02:03:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2021-11-07 02:03:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 02:03:47,888 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:03:47,888 INFO L513 BasicCegarLoop]: trace histogram [18, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:03:47,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:03:48,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:03:48,102 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:03:48,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:03:48,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1239343424, now seen corresponding path program 1 times [2021-11-07 02:03:48,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:03:48,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790849862] [2021-11-07 02:03:48,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:03:48,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:04:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:04:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-07 02:04:11,773 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:04:11,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790849862] [2021-11-07 02:04:11,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790849862] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 02:04:11,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298550384] [2021-11-07 02:04:11,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:04:11,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:04:11,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:04:11,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:04:11,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71781a92-8b83-428e-9c0a-1638549768c5/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 02:04:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:04:20,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-07 02:04:20,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:04:22,586 INFO L354 Elim1Store]: treesize reduction 2608, result has 3.9 percent of original size [2021-11-07 02:04:22,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 67 case distinctions, treesize of input 37710 treesize of output 36707 [2021-11-07 02:05:34,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 13 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7