./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE --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 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:37:47,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:37:47,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:37:47,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:37:47,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:37:47,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:37:47,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:37:47,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:37:47,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:37:47,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:37:47,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:37:47,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:37:47,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:37:47,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:37:47,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:37:47,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:37:47,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:37:47,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:37:47,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:37:47,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:37:47,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:37:47,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:37:47,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:37:47,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:37:47,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:37:47,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:37:47,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:37:47,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:37:47,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:37:47,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:37:47,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:37:47,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:37:47,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:37:47,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:37:47,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:37:47,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:37:47,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:37:47,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:37:47,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:37:47,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:37:47,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:37:47,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:37:47,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:37:47,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:37:47,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:37:47,287 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:37:47,287 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:37:47,287 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:37:47,290 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:37:47,291 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:37:47,291 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:37:47,292 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:37:47,293 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:37:47,293 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:37:47,293 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:37:47,294 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:37:47,294 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:37:47,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:37:47,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:37:47,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:37:47,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:37:47,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:37:47,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:37:47,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:37:47,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:37:47,298 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:37:47,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:37:47,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:37:47,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:37:47,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:37:47,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:37:47,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:37:47,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:37:47,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:37:47,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:37:47,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:37:47,301 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:37:47,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:37:47,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:37:47,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:37:47,302 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:37:47,302 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_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2021-10-24 10:37:47,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:37:47,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:37:47,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:37:47,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:37:47,674 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:37:47,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2021-10-24 10:37:47,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/data/7e47238ae/d94c486b5f8340faa822627b1432bd63/FLAG966c6f799 [2021-10-24 10:37:48,245 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:37:48,251 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2021-10-24 10:37:48,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/data/7e47238ae/d94c486b5f8340faa822627b1432bd63/FLAG966c6f799 [2021-10-24 10:37:48,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/data/7e47238ae/d94c486b5f8340faa822627b1432bd63 [2021-10-24 10:37:48,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:37:48,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:37:48,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:37:48,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:37:48,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:37:48,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5d916b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48, skipping insertion in model container [2021-10-24 10:37:48,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:37:48,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:37:48,817 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_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2021-10-24 10:37:48,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:37:48,860 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:37:48,874 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_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2021-10-24 10:37:48,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:37:48,911 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:37:48,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48 WrapperNode [2021-10-24 10:37:48,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:37:48,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:37:48,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:37:48,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:37:48,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:37:48,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:37:48,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:37:48,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:37:48,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:48,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:49,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:37:49,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:37:49,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:37:49,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:37:49,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (1/1) ... [2021-10-24 10:37:49,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:37:49,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:37:49,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:37:49,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:37:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 10:37:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:37:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 10:37:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:37:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:37:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-24 10:37:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:37:49,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:37:49,835 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-10-24 10:37:49,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:37:49 BoogieIcfgContainer [2021-10-24 10:37:49,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:37:49,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:37:49,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:37:49,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:37:49,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:37:48" (1/3) ... [2021-10-24 10:37:49,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bab2b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:37:49, skipping insertion in model container [2021-10-24 10:37:49,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:48" (2/3) ... [2021-10-24 10:37:49,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bab2b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:37:49, skipping insertion in model container [2021-10-24 10:37:49,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:37:49" (3/3) ... [2021-10-24 10:37:49,852 INFO L111 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2021-10-24 10:37:49,861 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:37:49,861 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:37:49,936 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:37:49,947 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 [2021-10-24 10:37:49,947 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:37:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 22 states have (on average 1.7727272727272727) internal successors, (39), 25 states have internal predecessors, (39), 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) [2021-10-24 10:37:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-24 10:37:49,994 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:49,994 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-24 10:37:49,995 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:37:50,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:50,002 INFO L82 PathProgramCache]: Analyzing trace with hash -2035882718, now seen corresponding path program 1 times [2021-10-24 10:37:50,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:37:50,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278606182] [2021-10-24 10:37:50,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:50,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:37:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:37:50,165 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:37:50,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278606182] [2021-10-24 10:37:50,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278606182] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:50,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:37:50,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 10:37:50,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239542319] [2021-10-24 10:37:50,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:37:50,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:37:50,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:37:50,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:37:50,190 INFO L87 Difference]: Start difference. First operand has 26 states, 22 states have (on average 1.7727272727272727) internal successors, (39), 25 states have internal predecessors, (39), 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 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-10-24 10:37:50,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:50,289 INFO L93 Difference]: Finished difference Result 75 states and 113 transitions. [2021-10-24 10:37:50,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:37:50,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-10-24 10:37:50,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:50,300 INFO L225 Difference]: With dead ends: 75 [2021-10-24 10:37:50,301 INFO L226 Difference]: Without dead ends: 49 [2021-10-24 10:37:50,303 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:37:50,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-24 10:37:50,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 26. [2021-10-24 10:37:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.565217391304348) internal successors, (36), 25 states have internal predecessors, (36), 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) [2021-10-24 10:37:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2021-10-24 10:37:50,389 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 6 [2021-10-24 10:37:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:50,390 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2021-10-24 10:37:50,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-10-24 10:37:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-10-24 10:37:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-24 10:37:50,391 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:50,391 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:37:50,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 10:37:50,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:37:50,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:50,397 INFO L82 PathProgramCache]: Analyzing trace with hash 771644161, now seen corresponding path program 1 times [2021-10-24 10:37:50,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:37:50,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27620440] [2021-10-24 10:37:50,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:50,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:37:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:37:50,497 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:37:50,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27620440] [2021-10-24 10:37:50,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27620440] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 10:37:50,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636749600] [2021-10-24 10:37:50,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:50,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:37:50,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:37:50,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:37:50,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-24 10:37:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:50,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:37:50,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:37:50,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:37:50,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:37:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:37:50,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636749600] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:37:50,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1095815158] [2021-10-24 10:37:50,741 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-24 10:37:50,741 INFO L166 IcfgInterpreter]: Building call graph [2021-10-24 10:37:50,749 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-24 10:37:50,756 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-24 10:37:50,757 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-24 10:37:50,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:50,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:50,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:50,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:50,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:50,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:50,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-24 10:37:50,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-24 10:37:50,866 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 21=[|v_#valid_34|]} [2021-10-24 10:37:50,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-24 10:37:50,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:50,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:50,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:50,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:50,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:50,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:50,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:50,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:50,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-24 10:37:50,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:50,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 10:37:50,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:50,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 10:37:50,980 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:50,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-10-24 10:37:51,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:51,039 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:97 [2021-10-24 10:37:51,056 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-10-24 10:37:51,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-24 10:37:51,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 10:37:51,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-24 10:37:51,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:51,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-24 10:37:51,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-10-24 10:37:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:51,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-10-24 10:37:51,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-24 10:37:51,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-24 10:37:51,157 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:51,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-10-24 10:37:51,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:51,209 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:116, output treesize:113 [2021-10-24 10:37:51,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 10:37:51,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-24 10:37:51,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-10-24 10:37:51,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-10-24 10:37:51,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-10-24 10:37:51,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:51,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:51,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:51,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:51,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-24 10:37:51,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-10-24 10:37:51,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-10-24 10:37:51,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 10:37:51,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-24 10:37:51,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:51,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:51,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-24 10:37:51,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 267 [2021-10-24 10:37:51,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-10-24 10:37:51,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-10-24 10:37:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:51,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:51,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-10-24 10:37:51,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-24 10:37:51,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-24 10:37:51,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:51,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:51,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-10-24 10:37:51,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:51,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:51,621 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:51,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,704 INFO L180 QuantifierPusher]: treesize reduction 94, result has 74.2 percent of original size [2021-10-24 10:37:51,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-10-24 10:37:51,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-24 10:37:51,717 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:371, output treesize:281 [2021-10-24 10:37:51,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,805 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-10-24 10:37:51,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:51,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 10:37:51,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:51,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:51,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-24 10:37:51,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-24 10:37:51,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:51,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:51,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:51,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:51,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:51,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-24 10:37:51,839 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:51,839 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:63 [2021-10-24 10:37:51,845 INFO L180 QuantifierPusher]: treesize reduction 40, result has 48.7 percent of original size [2021-10-24 10:37:51,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-24 10:37:51,849 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-24 10:37:51,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1095815158] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:51,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-24 10:37:51,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 8 [2021-10-24 10:37:51,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884093561] [2021-10-24 10:37:51,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:37:51,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:37:51,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:37:51,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:37:51,964 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:52,041 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2021-10-24 10:37:52,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:37:52,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-24 10:37:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:52,044 INFO L225 Difference]: With dead ends: 49 [2021-10-24 10:37:52,045 INFO L226 Difference]: Without dead ends: 25 [2021-10-24 10:37:52,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 130.6ms TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:37:52,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-10-24 10:37:52,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2021-10-24 10:37:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.5) internal successors, (30), 21 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) [2021-10-24 10:37:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2021-10-24 10:37:52,057 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 30 transitions. Word has length 7 [2021-10-24 10:37:52,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:52,059 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-24 10:37:52,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-10-24 10:37:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-24 10:37:52,060 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:52,061 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:37:52,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:37:52,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-24 10:37:52,289 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:37:52,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:52,290 INFO L82 PathProgramCache]: Analyzing trace with hash 155772538, now seen corresponding path program 1 times [2021-10-24 10:37:52,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:37:52,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110857218] [2021-10-24 10:37:52,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:52,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:37:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:37:52,332 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:37:52,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110857218] [2021-10-24 10:37:52,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110857218] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 10:37:52,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002672127] [2021-10-24 10:37:52,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:52,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:37:52,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:37:52,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:37:52,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-24 10:37:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:52,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:37:52,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:37:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-24 10:37:52,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:37:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-24 10:37:52,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002672127] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:52,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-24 10:37:52,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-10-24 10:37:52,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039207498] [2021-10-24 10:37:52,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:37:52,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:37:52,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:37:52,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:37:52,512 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-10-24 10:37:52,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:52,543 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2021-10-24 10:37:52,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:37:52,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 [2021-10-24 10:37:52,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:52,552 INFO L225 Difference]: With dead ends: 51 [2021-10-24 10:37:52,552 INFO L226 Difference]: Without dead ends: 34 [2021-10-24 10:37:52,553 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.3ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:37:52,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-10-24 10:37:52,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-10-24 10:37:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.5) internal successors, (45), 31 states have internal predecessors, (45), 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) [2021-10-24 10:37:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2021-10-24 10:37:52,562 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 12 [2021-10-24 10:37:52,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:52,565 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2021-10-24 10:37:52,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-10-24 10:37:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-10-24 10:37:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-24 10:37:52,566 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:52,566 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:37:52,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-24 10:37:52,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-24 10:37:52,785 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:37:52,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:52,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1624509178, now seen corresponding path program 1 times [2021-10-24 10:37:52,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:37:52,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804092024] [2021-10-24 10:37:52,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:52,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:37:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:37:52,841 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:37:52,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804092024] [2021-10-24 10:37:52,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804092024] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 10:37:52,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236216464] [2021-10-24 10:37:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:52,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:37:52,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:37:52,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:37:52,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-24 10:37:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:52,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:37:52,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:37:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:37:52,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:37:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:37:53,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236216464] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:37:53,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1161112975] [2021-10-24 10:37:53,037 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-10-24 10:37:53,037 INFO L166 IcfgInterpreter]: Building call graph [2021-10-24 10:37:53,037 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-24 10:37:53,038 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-24 10:37:53,038 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-24 10:37:53,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:53,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-24 10:37:53,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-24 10:37:53,061 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 21=[|v_#valid_37|]} [2021-10-24 10:37:53,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-24 10:37:53,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:53,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:53,080 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-24 10:37:53,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 10:37:53,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 10:37:53,124 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-10-24 10:37:53,134 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,134 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:97 [2021-10-24 10:37:53,139 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-10-24 10:37:53,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-24 10:37:53,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:53,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-24 10:37:53,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 10:37:53,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-10-24 10:37:53,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-10-24 10:37:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-10-24 10:37:53,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-24 10:37:53,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-10-24 10:37:53,184 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-10-24 10:37:53,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,197 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:116, output treesize:113 [2021-10-24 10:37:53,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-24 10:37:53,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 10:37:53,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-10-24 10:37:53,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-10-24 10:37:53,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-10-24 10:37:53,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:53,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:53,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 10:37:53,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-24 10:37:53,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:53,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:53,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-24 10:37:53,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:53,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:53,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-24 10:37:53,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-10-24 10:37:53,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-10-24 10:37:53,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 267 [2021-10-24 10:37:53,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-10-24 10:37:53,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-10-24 10:37:53,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-10-24 10:37:53,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-24 10:37:53,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-10-24 10:37:53,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-10-24 10:37:53,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:53,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:53,443 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,492 INFO L180 QuantifierPusher]: treesize reduction 94, result has 74.2 percent of original size [2021-10-24 10:37:53,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-10-24 10:37:53,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-24 10:37:53,500 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:371, output treesize:281 [2021-10-24 10:37:53,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,568 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-10-24 10:37:53,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:53,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 10:37:53,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:53,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-24 10:37:53,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-24 10:37:53,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:53,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:53,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-24 10:37:53,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,595 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:63 [2021-10-24 10:37:53,602 INFO L180 QuantifierPusher]: treesize reduction 40, result has 48.7 percent of original size [2021-10-24 10:37:53,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-24 10:37:53,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-24 10:37:53,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:53,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-10-24 10:37:53,614 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|], 1=[|v_#valid_38|]} [2021-10-24 10:37:53,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 10:37:53,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 10:37:53,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 10:37:53,622 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-10-24 10:37:53,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 10:37:53,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 10:37:53,636 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-10-24 10:37:53,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,649 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:68, output treesize:61 [2021-10-24 10:37:53,652 INFO L180 QuantifierPusher]: treesize reduction 4, result has 95.7 percent of original size [2021-10-24 10:37:53,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-24 10:37:53,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:53,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-24 10:37:53,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-10-24 10:37:53,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-24 10:37:53,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-24 10:37:53,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-24 10:37:53,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-10-24 10:37:53,690 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,690 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:76 [2021-10-24 10:37:53,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 10:37:53,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:53,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 165 [2021-10-24 10:37:53,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-10-24 10:37:53,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-10-24 10:37:53,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:53,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:53,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:53,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:53,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 10:37:53,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-24 10:37:53,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-24 10:37:53,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:53,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 10:37:53,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:53,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-10-24 10:37:53,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-10-24 10:37:53,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-10-24 10:37:53,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-24 10:37:53,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:53,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:53,835 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:53,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2021-10-24 10:37:53,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:53,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:53,852 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,880 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,891 INFO L180 QuantifierPusher]: treesize reduction 113, result has 62.0 percent of original size [2021-10-24 10:37:53,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-10-24 10:37:53,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-24 10:37:53,896 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:304, output treesize:195 [2021-10-24 10:37:53,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,942 INFO L180 QuantifierPusher]: treesize reduction 48, result has 61.0 percent of original size [2021-10-24 10:37:53,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:53,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 10:37:53,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:53,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-10-24 10:37:53,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-24 10:37:53,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:53,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:53,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:53,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:53,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-10-24 10:37:53,966 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:53,966 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:72 [2021-10-24 10:37:53,977 INFO L180 QuantifierPusher]: treesize reduction 52, result has 47.5 percent of original size [2021-10-24 10:37:53,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-24 10:37:53,989 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.4 percent of original size [2021-10-24 10:37:53,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:53,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:54,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-10-24 10:37:54,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:54,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:54,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:54,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:54,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-24 10:37:54,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-24 10:37:54,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:54,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:54,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-24 10:37:54,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-10-24 10:37:54,025 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-24 10:37:54,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1161112975] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:54,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-24 10:37:54,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 13 [2021-10-24 10:37:54,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978114512] [2021-10-24 10:37:54,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-24 10:37:54,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:37:54,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-24 10:37:54,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2021-10-24 10:37:54,653 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:54,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:54,769 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2021-10-24 10:37:54,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:37:54,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-24 10:37:54,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:54,770 INFO L225 Difference]: With dead ends: 55 [2021-10-24 10:37:54,770 INFO L226 Difference]: Without dead ends: 31 [2021-10-24 10:37:54,771 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 644.4ms TimeCoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2021-10-24 10:37:54,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-24 10:37:54,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2021-10-24 10:37:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 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) [2021-10-24 10:37:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2021-10-24 10:37:54,779 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 14 [2021-10-24 10:37:54,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:54,779 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-10-24 10:37:54,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-10-24 10:37:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:37:54,781 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:54,781 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:37:54,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:37:54,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:37:54,997 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:37:54,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:54,998 INFO L82 PathProgramCache]: Analyzing trace with hash -714533440, now seen corresponding path program 1 times [2021-10-24 10:37:54,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:37:54,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626980693] [2021-10-24 10:37:54,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:54,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:37:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 10:37:55,054 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:37:55,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626980693] [2021-10-24 10:37:55,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626980693] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 10:37:55,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135304809] [2021-10-24 10:37:55,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:55,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:37:55,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:37:55,056 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:37:55,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-24 10:37:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:55,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:37:55,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:37:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 10:37:55,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:37:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-24 10:37:55,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135304809] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:37:55,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [483568200] [2021-10-24 10:37:55,254 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-10-24 10:37:55,254 INFO L166 IcfgInterpreter]: Building call graph [2021-10-24 10:37:55,255 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-24 10:37:55,255 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-24 10:37:55,255 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-24 10:37:55,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:55,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-24 10:37:55,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-24 10:37:55,271 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|], 21=[|v_#valid_40|]} [2021-10-24 10:37:55,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-24 10:37:55,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:55,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:55,286 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-24 10:37:55,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 10:37:55,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 10:37:55,316 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-10-24 10:37:55,325 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,326 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:122, output treesize:97 [2021-10-24 10:37:55,330 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-10-24 10:37:55,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 10:37:55,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-24 10:37:55,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:55,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:55,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-24 10:37:55,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-24 10:37:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-10-24 10:37:55,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:55,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:55,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-10-24 10:37:55,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,380 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:125 [2021-10-24 10:37:55,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-10-24 10:37:55,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 10:37:55,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 261 [2021-10-24 10:37:55,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-10-24 10:37:55,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-10-24 10:37:55,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:55,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:55,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,497 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:55,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:55,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-10-24 10:37:55,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-10-24 10:37:55,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-10-24 10:37:55,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 10:37:55,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-24 10:37:55,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:55,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:55,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-10-24 10:37:55,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-10-24 10:37:55,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-10-24 10:37:55,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-10-24 10:37:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-10-24 10:37:55,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-10-24 10:37:55,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-10-24 10:37:55,589 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-10-24 10:37:55,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:55,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-10-24 10:37:55,610 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,648 INFO L180 QuantifierPusher]: treesize reduction 94, result has 74.9 percent of original size [2021-10-24 10:37:55,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 291 [2021-10-24 10:37:55,655 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-24 10:37:55,655 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:381, output treesize:291 [2021-10-24 10:37:55,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,703 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-10-24 10:37:55,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:55,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 10:37:55,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:55,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-24 10:37:55,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-24 10:37:55,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:55,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:55,720 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-10-24 10:37:55,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,727 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:63 [2021-10-24 10:37:55,732 INFO L180 QuantifierPusher]: treesize reduction 40, result has 48.7 percent of original size [2021-10-24 10:37:55,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-10-24 10:37:55,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-24 10:37:55,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:55,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-10-24 10:37:55,743 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_25|], 1=[|v_#valid_41|]} [2021-10-24 10:37:55,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 10:37:55,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 10:37:55,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 10:37:55,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-10-24 10:37:55,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 10:37:55,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 10:37:55,766 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-10-24 10:37:55,773 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,773 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:68, output treesize:61 [2021-10-24 10:37:55,776 INFO L180 QuantifierPusher]: treesize reduction 4, result has 95.7 percent of original size [2021-10-24 10:37:55,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:55,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 10:37:55,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:55,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-24 10:37:55,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-24 10:37:55,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:55,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:55,795 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-24 10:37:55,803 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,804 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:88 [2021-10-24 10:37:55,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,860 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-24 10:37:55,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:55,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-10-24 10:37:55,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-10-24 10:37:55,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-10-24 10:37:55,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:55,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:55,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:55,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 10:37:55,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:55,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:55,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 10:37:55,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-24 10:37:55,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-24 10:37:55,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-24 10:37:55,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-10-24 10:37:55,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:55,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-10-24 10:37:55,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-10-24 10:37:55,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-24 10:37:55,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:55,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:55,949 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 10:37:55,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-10-24 10:37:55,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-10-24 10:37:55,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-10-24 10:37:55,967 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:55,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:55,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:55,998 INFO L180 QuantifierPusher]: treesize reduction 113, result has 63.2 percent of original size [2021-10-24 10:37:56,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-10-24 10:37:56,005 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-24 10:37:56,005 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:314, output treesize:205 [2021-10-24 10:37:56,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,044 INFO L180 QuantifierPusher]: treesize reduction 48, result has 61.0 percent of original size [2021-10-24 10:37:56,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-24 10:37:56,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 10:37:56,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-24 10:37:56,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-10-24 10:37:56,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-10-24 10:37:56,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:56,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-24 10:37:56,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 10:37:56,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-10-24 10:37:56,070 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 10:37:56,070 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:72 [2021-10-24 10:37:56,076 INFO L180 QuantifierPusher]: treesize reduction 52, result has 47.5 percent of original size [2021-10-24 10:37:56,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-10-24 10:37:56,086 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.4 percent of original size [2021-10-24 10:37:56,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-10-24 10:37:56,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-24 10:37:56,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-24 10:37:56,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-24 10:37:56,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-10-24 10:37:56,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-24 10:37:56,138 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.5 percent of original size [2021-10-24 10:37:56,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-10-24 10:37:56,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,217 INFO L180 QuantifierPusher]: treesize reduction 12, result has 96.8 percent of original size [2021-10-24 10:37:56,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-10-24 10:37:56,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-10-24 10:37:56,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,273 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size 127 [2021-10-24 10:37:56,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,281 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-10-24 10:37:56,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-24 10:37:56,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-24 10:37:56,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-24 10:37:56,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 289 [2021-10-24 10:37:56,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-10-24 10:37:56,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-10-24 10:37:56,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-24 10:37:56,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-24 10:37:56,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-24 10:37:56,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 289 [2021-10-24 10:37:56,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-10-24 10:37:56,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-10-24 10:37:56,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-10-24 10:37:56,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-24 10:37:56,379 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-24 10:37:56,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 380 [2021-10-24 10:37:56,413 INFO L180 QuantifierPusher]: treesize reduction 102, result has 69.1 percent of original size [2021-10-24 10:37:56,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-10-24 10:37:56,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,450 INFO L185 QuantifierPusher]: treesize reduction 16, result has 89.3 percent of original size 133 [2021-10-24 10:37:56,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,516 INFO L180 QuantifierPusher]: treesize reduction 63, result has 75.9 percent of original size [2021-10-24 10:37:56,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-10-24 10:37:56,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-10-24 10:37:56,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-10-24 10:37:56,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-10-24 10:37:56,580 INFO L180 QuantifierPusher]: treesize reduction 63, result has 75.9 percent of original size [2021-10-24 10:37:56,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 10:37:56,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-10-24 10:37:56,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-10-24 10:37:56,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 10:37:56,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-10-24 10:37:56,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:56,653 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-24 10:37:57,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [483568200] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:57,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-24 10:37:57,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3, 3] total 12 [2021-10-24 10:37:57,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248042844] [2021-10-24 10:37:57,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:37:57,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:37:57,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:37:57,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=84, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:37:57,669 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 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) [2021-10-24 10:37:57,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:57,743 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2021-10-24 10:37:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:37:57,744 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:37:57,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:57,745 INFO L225 Difference]: With dead ends: 33 [2021-10-24 10:37:57,745 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:37:57,745 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1030.0ms TimeCoverageRelationStatistics Valid=72, Invalid=84, Unknown=0, NotChecked=0, Total=156 [2021-10-24 10:37:57,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:37:57,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:37:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-24 10:37:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:37:57,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-10-24 10:37:57,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:57,746 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:37:57,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 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) [2021-10-24 10:37:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:37:57,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:37:57,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:37:57,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:37:57,750 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:37:57,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:37:57,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-10-24 10:37:57,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:37:57,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:58,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:58,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:58,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:58,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:58,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:58,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:58,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,952 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:37:58,953 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 61 65) the Hoare annotation is: (and (= ULTIMATE.start_main_~x~0 0) (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-24 10:37:58,953 INFO L853 garLoopResultBuilder]: At program point L62-3(lines 62 64) the Hoare annotation is: false [2021-10-24 10:37:58,953 INFO L857 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,954 INFO L857 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,954 INFO L857 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,954 INFO L857 garLoopResultBuilder]: For program point L13-4(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,954 INFO L857 garLoopResultBuilder]: For program point L13-5(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,954 INFO L857 garLoopResultBuilder]: For program point L13-7(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,954 INFO L857 garLoopResultBuilder]: For program point L13-8(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,954 INFO L857 garLoopResultBuilder]: For program point L13-9(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,954 INFO L857 garLoopResultBuilder]: For program point L13-11(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,955 INFO L853 garLoopResultBuilder]: At program point L55-3(lines 55 59) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= ULTIMATE.start_elem_exists_~size 0) (= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 |#t~string0.base|) (< ULTIMATE.start_main_~v~0 100000) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= ULTIMATE.start_main_~x~0 0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |ULTIMATE.start_elem_exists_#res| 0) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start_elem_exists_~size) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-24 10:37:58,955 INFO L853 garLoopResultBuilder]: At program point L22-3(lines 22 24) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= ULTIMATE.start_elem_exists_~size 0) (= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 |#t~string0.base|) (< ULTIMATE.start_main_~v~0 100000) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= ULTIMATE.start_main_~x~0 0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start_elem_exists_~size) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-24 10:37:58,955 INFO L853 garLoopResultBuilder]: At program point L47-3(lines 47 50) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= ULTIMATE.start_main_~x~0 0) (= |ULTIMATE.start_main_~#values~0.offset| 0) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-24 10:37:58,955 INFO L853 garLoopResultBuilder]: At program point L39-3(lines 39 43) the Hoare annotation is: (and (= ULTIMATE.start_main_~x~0 0) (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-24 10:37:58,955 INFO L857 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2021-10-24 10:37:58,955 INFO L853 garLoopResultBuilder]: At program point L56-3(lines 56 58) the Hoare annotation is: false [2021-10-24 10:37:58,955 INFO L853 garLoopResultBuilder]: At program point L40-3(lines 40 42) the Hoare annotation is: false [2021-10-24 10:37:58,956 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,958 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:37:58,958 INFO L853 garLoopResultBuilder]: At program point L33-3(lines 33 36) the Hoare annotation is: (and (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-24 10:37:58,958 INFO L853 garLoopResultBuilder]: At program point L25(lines 20 26) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= ULTIMATE.start_elem_exists_~size 0) (= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 |#t~string0.base|) (< ULTIMATE.start_main_~v~0 100000) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= ULTIMATE.start_main_~x~0 0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) (= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (= |#NULL.offset| 0) (<= 0 |#t~string1.base|) (= |ULTIMATE.start_elem_exists_#res| 0) (= |#t~string1.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start_elem_exists_~size) (= |#t~string0.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0)) [2021-10-24 10:37:58,959 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2021-10-24 10:37:58,959 INFO L853 garLoopResultBuilder]: At program point L51-3(lines 51 60) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#values~0.base|)) (.cse1 (<= 0 |#t~string0.base|)) (.cse2 (<= 0 |ULTIMATE.start_main_~#set~0.base|)) (.cse3 (<= ULTIMATE.start_main_~x~0 0)) (.cse4 (= |ULTIMATE.start_main_~#values~0.offset| 0)) (.cse5 (= |ULTIMATE.start_main_~#set~0.offset| 0)) (.cse6 (= |#NULL.offset| 0)) (.cse7 (<= 0 |#t~string1.base|)) (.cse8 (= |#t~string1.offset| 0)) (.cse9 (<= 0 ULTIMATE.start_main_~x~0)) (.cse10 (<= 0 |#StackHeapBarrier|)) (.cse11 (= |#t~string0.offset| 0)) (.cse12 (= ULTIMATE.start_main_~n~0 0)) (.cse13 (= |#NULL.base| 0))) (or (and .cse0 (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= ULTIMATE.start_elem_exists_~size 0) (= ULTIMATE.start_elem_exists_~i~0 0) .cse1 .cse2 .cse3 (<= 0 ULTIMATE.start_elem_exists_~set.offset) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) .cse4 (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) .cse5 (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) .cse6 .cse7 (= |ULTIMATE.start_elem_exists_#res| 0) .cse8 .cse9 .cse10 (<= 0 ULTIMATE.start_elem_exists_~size) .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~v~0 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2021-10-24 10:37:58,963 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:37:59,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:37:59 BoogieIcfgContainer [2021-10-24 10:37:59,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:37:59,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:37:59,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:37:59,006 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:37:59,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:37:49" (3/4) ... [2021-10-24 10:37:59,012 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:37:59,027 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2021-10-24 10:37:59,027 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-24 10:37:59,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:37:59,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:37:59,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0) || ((((((((((((((0 <= values && 0 <= "0") && 0 <= set) && x <= 0) && v == 0) && values == 0) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0) [2021-10-24 10:37:59,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 [2021-10-24 10:37:59,057 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 [2021-10-24 10:37:59,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 [2021-10-24 10:37:59,092 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:37:59,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:37:59,093 INFO L168 Benchmark]: Toolchain (without parser) took 10486.02 ms. Allocated memory was 81.8 MB in the beginning and 125.8 MB in the end (delta: 44.0 MB). Free memory was 49.4 MB in the beginning and 42.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:59,094 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 53.7 MB in the beginning and 53.6 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:37:59,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.51 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 49.1 MB in the beginning and 79.5 MB in the end (delta: -30.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:59,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.61 ms. Allocated memory is still 102.8 MB. Free memory was 79.5 MB in the beginning and 77.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:59,094 INFO L168 Benchmark]: Boogie Preprocessor took 37.71 ms. Allocated memory is still 102.8 MB. Free memory was 77.4 MB in the beginning and 76.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:37:59,094 INFO L168 Benchmark]: RCFGBuilder took 839.73 ms. Allocated memory is still 102.8 MB. Free memory was 76.2 MB in the beginning and 55.5 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:59,095 INFO L168 Benchmark]: TraceAbstraction took 9162.63 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 54.8 MB in the beginning and 48.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:59,095 INFO L168 Benchmark]: Witness Printer took 87.22 ms. Allocated memory is still 125.8 MB. Free memory was 47.1 MB in the beginning and 42.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:59,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 53.7 MB in the beginning and 53.6 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 303.51 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 49.1 MB in the beginning and 79.5 MB in the end (delta: -30.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.61 ms. Allocated memory is still 102.8 MB. Free memory was 79.5 MB in the beginning and 77.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.71 ms. Allocated memory is still 102.8 MB. Free memory was 77.4 MB in the beginning and 76.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 839.73 ms. Allocated memory is still 102.8 MB. Free memory was 76.2 MB in the beginning and 55.5 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9162.63 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 54.8 MB in the beginning and 48.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. * Witness Printer took 87.22 ms. Allocated memory is still 125.8 MB. Free memory was 47.1 MB in the beginning and 42.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9029.9ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 35.9ms, AutomataDifference: 451.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 999.7ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 90 SDtfs, 88 SDslu, 96 SDs, 0 SdLazy, 138 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 250.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1823.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=3, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 97.3ms AutomataMinimizationTime, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 27 NumberOfFragments, 532 HoareAnnotationTreeSize, 11 FomulaSimplifications, 345 FormulaSimplificationTreeSizeReduction, 82.9ms HoareSimplificationTime, 11 FomulaSimplificationsInter, 798 FormulaSimplificationTreeSizeReductionInter, 908.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 57.5ms SsaConstructionTime, 186.5ms SatisfiabilityAnalysisTime, 653.4ms InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 32/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 3496, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 22, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 47, TOOLS_POST_TIME[ms]: 2652, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME[ms]: 2625, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 395, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 111, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 45, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 645, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 51, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME[ms]: 19, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2782, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2782, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 288, DAG_COMPRESSION_RETAINED_NODES: 93, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((((x == 0 && 0 <= "0") && 0 <= set) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((((((((((((0 <= values && 0 <= v) && 0 <= "0") && 0 <= set) && x <= 0) && values == 0) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0) || ((((((((((((((0 <= values && 0 <= "0") && 0 <= set) && x <= 0) && v == 0) && values == 0) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && \result == 0) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((((((((x == 0 && 0 <= "0") && 0 <= set) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((0 <= values && 0 <= v) && set <= 0) && size <= 0) && i == 0) && 0 <= "0") && v < 100000) && 0 <= set) && x <= 0) && 0 <= set) && \old(size) <= 0) && 0 <= set) && values == 0) && set <= 0) && 0 <= set) && set == 0) && 0 <= set) && 0 <= \old(size)) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= size) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((0 <= "0" && 0 <= set) && set == 0) && #NULL == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= x) && 0 <= unknown-#StackHeapBarrier-unknown) && "0" == 0) && n == 0) && #NULL == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:37:59,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d619e5-d03e-4d9e-90c9-b98fedf2fda0/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...