./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da5783328d73eba8f05689c8b63c9b7f7c1c1eeab4600bb7173d3ddf64fb59e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:15:39,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:15:39,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:15:39,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:15:39,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:15:39,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:15:39,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:15:39,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:15:39,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:15:39,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:15:39,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:15:39,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:15:39,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:15:39,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:15:39,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:15:39,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:15:39,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:15:39,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:15:39,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:15:39,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:15:39,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:15:39,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:15:39,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:15:39,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:15:39,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:15:39,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:15:39,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:15:39,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:15:39,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:15:39,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:15:39,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:15:39,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:15:39,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:15:39,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:15:39,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:15:39,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:15:39,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:15:39,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:15:39,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:15:39,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:15:39,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:15:39,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:15:39,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:15:39,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:15:39,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:15:39,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:15:39,302 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:15:39,302 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:15:39,302 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:15:39,303 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:15:39,311 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:15:39,311 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:15:39,313 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:15:39,313 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:15:39,313 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:15:39,314 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:15:39,314 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:15:39,314 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:15:39,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:15:39,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:15:39,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:15:39,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:15:39,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:15:39,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:15:39,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:15:39,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:15:39,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:15:39,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:15:39,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:15:39,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:15:39,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:15:39,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:15:39,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:15:39,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:15:39,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:15:39,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:15:39,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:15:39,323 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:15:39,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:15:39,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:15:39,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:15:39,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:15:39,325 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_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da5783328d73eba8f05689c8b63c9b7f7c1c1eeab4600bb7173d3ddf64fb59e0 [2021-11-19 14:15:39,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:15:39,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:15:39,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:15:39,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:15:39,731 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:15:39,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/seq-pthread/cs_fib-1.i [2021-11-19 14:15:39,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/data/23d80fbef/6358bb8c40db43f1965598f81d657bc3/FLAG289007ade [2021-11-19 14:15:40,499 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:15:40,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/sv-benchmarks/c/seq-pthread/cs_fib-1.i [2021-11-19 14:15:40,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/data/23d80fbef/6358bb8c40db43f1965598f81d657bc3/FLAG289007ade [2021-11-19 14:15:40,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/data/23d80fbef/6358bb8c40db43f1965598f81d657bc3 [2021-11-19 14:15:40,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:15:40,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:15:40,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:15:40,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:15:40,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:15:40,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:15:40" (1/1) ... [2021-11-19 14:15:40,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711e9d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:40, skipping insertion in model container [2021-11-19 14:15:40,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:15:40" (1/1) ... [2021-11-19 14:15:40,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:15:40,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:15:41,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/sv-benchmarks/c/seq-pthread/cs_fib-1.i[23602,23615] [2021-11-19 14:15:41,461 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:15:41,482 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:15:41,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/sv-benchmarks/c/seq-pthread/cs_fib-1.i[23602,23615] [2021-11-19 14:15:41,637 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:15:41,698 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:15:41,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41 WrapperNode [2021-11-19 14:15:41,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:15:41,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:15:41,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:15:41,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:15:41,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:41,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:41,884 INFO L137 Inliner]: procedures = 144, calls = 352, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 664 [2021-11-19 14:15:41,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:15:41,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:15:41,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:15:41,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:15:41,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:41,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:41,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:41,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:42,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:42,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:42,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:42,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:15:42,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:15:42,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:15:42,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:15:42,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (1/1) ... [2021-11-19 14:15:42,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:15:42,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:15:42,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:15:42,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:15:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 14:15:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 14:15:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:15:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:15:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:15:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:15:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:15:42,133 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-19 14:15:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-19 14:15:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:15:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-19 14:15:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-19 14:15:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:15:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-19 14:15:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-19 14:15:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:15:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:15:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:15:42,451 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:15:42,453 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:15:42,821 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-19 14:15:42,822 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 14:15:42,822 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-19 14:15:42,823 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 14:15:42,823 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: SUMMARY for call __CS_cs(); srcloc: null [2021-11-19 14:15:42,823 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-19 14:15:42,823 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 14:15:46,476 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:15:46,813 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:15:46,814 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-19 14:15:46,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:15:46 BoogieIcfgContainer [2021-11-19 14:15:46,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:15:46,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:15:46,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:15:46,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:15:46,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:15:40" (1/3) ... [2021-11-19 14:15:46,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2604ee59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:15:46, skipping insertion in model container [2021-11-19 14:15:46,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:15:41" (2/3) ... [2021-11-19 14:15:46,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2604ee59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:15:46, skipping insertion in model container [2021-11-19 14:15:46,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:15:46" (3/3) ... [2021-11-19 14:15:46,830 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_fib-1.i [2021-11-19 14:15:46,837 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:15:46,838 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:15:46,929 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:15:46,937 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:15:46,938 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:15:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 84 states have (on average 1.25) internal successors, (105), 85 states have internal predecessors, (105), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2021-11-19 14:15:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-19 14:15:46,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:15:46,994 INFO L514 BasicCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:15:46,995 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:15:47,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:15:47,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2107347193, now seen corresponding path program 1 times [2021-11-19 14:15:47,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:15:47,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419580201] [2021-11-19 14:15:47,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:15:47,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:15:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:15:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2021-11-19 14:15:47,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:15:47,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419580201] [2021-11-19 14:15:47,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419580201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:15:47,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:15:47,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:15:47,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970458763] [2021-11-19 14:15:47,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:15:47,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:15:47,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:15:47,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:15:47,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:15:47,583 INFO L87 Difference]: Start difference. First operand has 149 states, 84 states have (on average 1.25) internal successors, (105), 85 states have internal predecessors, (105), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2021-11-19 14:15:49,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:15:49,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:15:49,846 INFO L93 Difference]: Finished difference Result 297 states and 445 transitions. [2021-11-19 14:15:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:15:49,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 170 [2021-11-19 14:15:49,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:15:49,860 INFO L225 Difference]: With dead ends: 297 [2021-11-19 14:15:49,860 INFO L226 Difference]: Without dead ends: 149 [2021-11-19 14:15:49,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:15:49,868 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 2 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:15:49,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 400 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:15:49,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-11-19 14:15:49,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2021-11-19 14:15:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 84 states have (on average 1.2261904761904763) internal successors, (103), 84 states have internal predecessors, (103), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2021-11-19 14:15:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 221 transitions. [2021-11-19 14:15:49,938 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 221 transitions. Word has length 170 [2021-11-19 14:15:49,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:15:49,938 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 221 transitions. [2021-11-19 14:15:49,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2021-11-19 14:15:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2021-11-19 14:15:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-19 14:15:49,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:15:49,946 INFO L514 BasicCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:15:49,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:15:49,947 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:15:49,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:15:49,948 INFO L85 PathProgramCache]: Analyzing trace with hash -157094030, now seen corresponding path program 1 times [2021-11-19 14:15:49,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:15:49,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732088908] [2021-11-19 14:15:49,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:15:49,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:15:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:15:50,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2021-11-19 14:15:50,169 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:15:50,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732088908] [2021-11-19 14:15:50,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732088908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:15:50,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:15:50,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:15:50,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069514304] [2021-11-19 14:15:50,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:15:50,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:15:50,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:15:50,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:15:50,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:15:50,178 INFO L87 Difference]: Start difference. First operand 148 states and 221 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2021-11-19 14:15:52,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:15:52,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:15:52,436 INFO L93 Difference]: Finished difference Result 295 states and 442 transitions. [2021-11-19 14:15:52,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:15:52,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 172 [2021-11-19 14:15:52,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:15:52,440 INFO L225 Difference]: With dead ends: 295 [2021-11-19 14:15:52,440 INFO L226 Difference]: Without dead ends: 149 [2021-11-19 14:15:52,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:15:52,445 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:15:52,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 399 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:15:52,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-11-19 14:15:52,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2021-11-19 14:15:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 85 states have (on average 1.223529411764706) internal successors, (104), 85 states have internal predecessors, (104), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2021-11-19 14:15:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 222 transitions. [2021-11-19 14:15:52,472 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 222 transitions. Word has length 172 [2021-11-19 14:15:52,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:15:52,473 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 222 transitions. [2021-11-19 14:15:52,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2021-11-19 14:15:52,473 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2021-11-19 14:15:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-19 14:15:52,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:15:52,488 INFO L514 BasicCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:15:52,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 14:15:52,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:15:52,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:15:52,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1826033679, now seen corresponding path program 1 times [2021-11-19 14:15:52,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:15:52,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737082328] [2021-11-19 14:15:52,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:15:52,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:15:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:15:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2021-11-19 14:15:52,617 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:15:52,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737082328] [2021-11-19 14:15:52,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737082328] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:15:52,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253097342] [2021-11-19 14:15:52,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:15:52,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:15:52,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:15:52,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:15:52,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 14:15:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:15:52,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:15:53,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:15:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2021-11-19 14:15:53,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:15:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2021-11-19 14:15:54,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253097342] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:15:54,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [199984997] [2021-11-19 14:15:54,209 INFO L159 IcfgInterpreter]: Started Sifa with 94 locations of interest [2021-11-19 14:15:54,209 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:15:54,216 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:15:54,223 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:15:54,223 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:15:54,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:54,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:15:54,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:54,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:15:54,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:54,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:15:54,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:54,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-19 14:15:54,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:54,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:15:54,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:54,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:15:54,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:54,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2021-11-19 14:15:54,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 763 [2021-11-19 14:15:54,768 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_39, v_~__CS_thread~0.offset_39], 22=[|v_#length_29|], 297=[|v_#valid_76|]} [2021-11-19 14:15:54,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-19 14:15:54,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:15:54,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:15:54,826 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:15:54,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:15:54,950 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-19 14:15:54,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:15:54,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:54,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:15:55,000 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:15:55,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:15:55,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:55,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:55,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,005 INFO L244 Elim1Store]: Index analysis took 881 ms [2021-11-19 14:15:56,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 95 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 72 [2021-11-19 14:15:56,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:56,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:15:56,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:56,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:15:56,022 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:15:56,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:15:56,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:56,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:56,537 INFO L244 Elim1Store]: Index analysis took 232 ms [2021-11-19 14:15:56,830 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-19 14:15:56,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 25 case distinctions, treesize of input 151 treesize of output 157 [2021-11-19 14:15:56,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:56,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:15:56,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:56,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:15:56,873 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:15:56,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:15:56,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:56,981 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_272|, |v_#memory_$Pointer$.offset_272|], 6=[|v_#memory_int_221|]} [2021-11-19 14:15:57,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:15:57,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:15:57,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:15:57,018 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:15:57,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:15:57,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:15:57,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:15:57,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:15:57,135 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:15:57,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:15:57,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:57,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 70 [2021-11-19 14:15:57,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:15:57,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:15:57,276 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 14:15:57,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:15:57,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 618 [2021-11-19 14:15:57,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 14:15:57,398 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:753, output treesize:618 [2021-11-19 14:15:57,457 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-19 14:15:57,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:15:57,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:15:57,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:15:57,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:15:57,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:15:57,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:15:57,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:15:57,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:15:57,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:15:57,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:15:57,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:15:57,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:15:57,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:15:57,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:15:57,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 266 [2021-11-19 14:15:57,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 267 [2021-11-19 14:15:57,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 282 [2021-11-19 14:15:57,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 774 [2021-11-19 14:15:57,597 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_47|, |v_#memory_$Pointer$.base_47|], 3=[|v_#memory_$Pointer$.base_273|, |v_#memory_$Pointer$.offset_273|], 36=[|v_#memory_int_222|]} [2021-11-19 14:15:57,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:15:57,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:15:57,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:15:57,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:15:57,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:15:57,628 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:15:57,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:15:57,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:15:57,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:15:57,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:15:57,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:15:57,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:15:57,728 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:15:57,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:15:57,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:15:57,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-19 14:15:57,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:15:57,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:15:57,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:15:57,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:15:57,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:15:57,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-19 14:15:57,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:15:57,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:15:57,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:15:57,924 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:15:57,925 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-19 14:15:57,927 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:15:57,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-11-19 14:15:57,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859555493] [2021-11-19 14:15:57,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:15:57,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:15:57,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:15:57,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:15:57,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:15:57,930 INFO L87 Difference]: Start difference. First operand 149 states and 222 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2021-11-19 14:16:00,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:16:00,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:16:00,215 INFO L93 Difference]: Finished difference Result 298 states and 446 transitions. [2021-11-19 14:16:00,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:16:00,215 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 173 [2021-11-19 14:16:00,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:16:00,218 INFO L225 Difference]: With dead ends: 298 [2021-11-19 14:16:00,218 INFO L226 Difference]: Without dead ends: 151 [2021-11-19 14:16:00,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:16:00,221 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 0 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:16:00,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 598 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 14:16:00,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-11-19 14:16:00,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2021-11-19 14:16:00,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 87 states have (on average 1.2183908045977012) internal successors, (106), 87 states have internal predecessors, (106), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2021-11-19 14:16:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 224 transitions. [2021-11-19 14:16:00,244 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 224 transitions. Word has length 173 [2021-11-19 14:16:00,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:16:00,244 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 224 transitions. [2021-11-19 14:16:00,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2021-11-19 14:16:00,245 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 224 transitions. [2021-11-19 14:16:00,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-19 14:16:00,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:16:00,249 INFO L514 BasicCegarLoop]: trace histogram [40, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:16:00,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:16:00,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:16:00,474 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:16:00,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:16:00,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1993699439, now seen corresponding path program 2 times [2021-11-19 14:16:00,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:16:00,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834376720] [2021-11-19 14:16:00,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:16:00,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:16:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:16:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2021-11-19 14:16:00,658 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:16:00,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834376720] [2021-11-19 14:16:00,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834376720] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:16:00,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173380503] [2021-11-19 14:16:00,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:16:00,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:16:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:16:00,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:16:00,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 14:16:00,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-19 14:16:00,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:16:00,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:16:00,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:16:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2021-11-19 14:16:01,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:16:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2021-11-19 14:16:02,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173380503] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:16:02,402 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:16:02,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [4] total 7 [2021-11-19 14:16:02,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731901653] [2021-11-19 14:16:02,402 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:16:02,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:16:02,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:16:02,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:16:02,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:16:02,405 INFO L87 Difference]: Start difference. First operand 151 states and 224 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2021-11-19 14:16:04,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:16:04,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:16:04,842 INFO L93 Difference]: Finished difference Result 293 states and 438 transitions. [2021-11-19 14:16:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:16:04,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 175 [2021-11-19 14:16:04,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:16:04,848 INFO L225 Difference]: With dead ends: 293 [2021-11-19 14:16:04,848 INFO L226 Difference]: Without dead ends: 208 [2021-11-19 14:16:04,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:16:04,849 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 135 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 78 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:16:04,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 710 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:16:04,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-19 14:16:04,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 207. [2021-11-19 14:16:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 77 states have call successors, (77), 8 states have call predecessors, (77), 8 states have return successors, (79), 76 states have call predecessors, (79), 77 states have call successors, (79) [2021-11-19 14:16:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 311 transitions. [2021-11-19 14:16:04,920 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 311 transitions. Word has length 175 [2021-11-19 14:16:04,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:16:04,921 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 311 transitions. [2021-11-19 14:16:04,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2021-11-19 14:16:04,922 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 311 transitions. [2021-11-19 14:16:04,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-19 14:16:04,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:16:04,929 INFO L514 BasicCegarLoop]: trace histogram [44, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:16:04,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:16:05,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:16:05,154 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:16:05,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:16:05,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1068770413, now seen corresponding path program 1 times [2021-11-19 14:16:05,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:16:05,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739707448] [2021-11-19 14:16:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:16:05,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:16:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:16:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2021-11-19 14:16:05,383 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:16:05,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739707448] [2021-11-19 14:16:05,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739707448] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:16:05,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677259543] [2021-11-19 14:16:05,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:16:05,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:16:05,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:16:05,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:16:05,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 14:16:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:16:05,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:16:05,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:16:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2021-11-19 14:16:06,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:16:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2021-11-19 14:16:07,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677259543] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:16:07,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [8606619] [2021-11-19 14:16:07,013 INFO L159 IcfgInterpreter]: Started Sifa with 120 locations of interest [2021-11-19 14:16:07,014 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:16:07,016 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:16:07,016 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:16:07,016 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:16:07,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:07,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2021-11-19 14:16:07,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:07,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:07,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:07,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-19 14:16:07,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:07,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:16:07,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:07,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:16:07,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:07,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:16:07,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:07,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:16:07,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 763 [2021-11-19 14:16:07,316 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.offset_59, v_~__CS_thread~0.base_59], 22=[|v_#length_34|], 297=[|v_#valid_82|]} [2021-11-19 14:16:07,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-19 14:16:07,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:16:07,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:16:07,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:07,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:07,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-19 14:16:07,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:16:07,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:16:07,449 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:07,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:07,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:07,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:07,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,157 INFO L244 Elim1Store]: Index analysis took 616 ms [2021-11-19 14:16:08,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 95 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 72 [2021-11-19 14:16:08,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:08,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:16:08,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:08,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:16:08,179 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:08,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:08,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:08,601 INFO L244 Elim1Store]: Index analysis took 177 ms [2021-11-19 14:16:08,799 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-19 14:16:08,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 25 case distinctions, treesize of input 151 treesize of output 157 [2021-11-19 14:16:08,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:08,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:16:08,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:08,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:16:08,839 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:08,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:08,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:08,912 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_302|, |v_#memory_$Pointer$.base_302|], 6=[|v_#memory_int_251|]} [2021-11-19 14:16:08,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:16:08,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:08,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:16:08,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:08,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:16:08,968 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:08,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:09,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:16:09,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:16:09,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:16:09,061 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:09,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:09,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:09,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:09,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 70 [2021-11-19 14:16:09,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:16:09,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:16:09,182 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:09,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:09,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 618 [2021-11-19 14:16:09,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 14:16:09,293 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:753, output treesize:618 [2021-11-19 14:16:09,315 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-19 14:16:09,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:16:09,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:16:09,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:09,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:09,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:16:09,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:09,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:16:09,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:09,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:16:09,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 266 [2021-11-19 14:16:09,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 267 [2021-11-19 14:16:09,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 282 [2021-11-19 14:16:09,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:16:09,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:16:09,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:09,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:09,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:16:09,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 774 [2021-11-19 14:16:09,425 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_47|, |v_#memory_$Pointer$.base_47|], 3=[|v_#memory_$Pointer$.offset_303|, |v_#memory_$Pointer$.base_303|], 36=[|v_#memory_int_252|]} [2021-11-19 14:16:09,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:09,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:09,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:09,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:09,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:09,450 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:16:09,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:09,515 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:09,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:09,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:09,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:09,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:09,550 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:16:09,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:09,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:09,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-19 14:16:09,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:16:09,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:16:09,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:09,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:16:09,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:16:09,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-19 14:16:09,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:16:09,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:09,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:16:09,761 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:09,761 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-19 14:16:09,761 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:16:09,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2021-11-19 14:16:09,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477453028] [2021-11-19 14:16:09,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:16:09,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:16:09,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:16:09,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:16:09,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:16:09,764 INFO L87 Difference]: Start difference. First operand 207 states and 311 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2021-11-19 14:16:11,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:16:12,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:16:12,163 INFO L93 Difference]: Finished difference Result 422 states and 634 transitions. [2021-11-19 14:16:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:16:12,165 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) Word has length 223 [2021-11-19 14:16:12,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:16:12,168 INFO L225 Difference]: With dead ends: 422 [2021-11-19 14:16:12,168 INFO L226 Difference]: Without dead ends: 222 [2021-11-19 14:16:12,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:16:12,171 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 8 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:16:12,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 995 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:16:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2021-11-19 14:16:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2021-11-19 14:16:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 136 states have (on average 1.2720588235294117) internal successors, (173), 137 states have internal predecessors, (173), 77 states have call successors, (77), 8 states have call predecessors, (77), 8 states have return successors, (79), 76 states have call predecessors, (79), 77 states have call successors, (79) [2021-11-19 14:16:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 329 transitions. [2021-11-19 14:16:12,195 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 329 transitions. Word has length 223 [2021-11-19 14:16:12,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:16:12,195 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 329 transitions. [2021-11-19 14:16:12,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2021-11-19 14:16:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 329 transitions. [2021-11-19 14:16:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-19 14:16:12,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:16:12,201 INFO L514 BasicCegarLoop]: trace histogram [44, 12, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:16:12,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:16:12,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-19 14:16:12,418 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:16:12,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:16:12,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2089501597, now seen corresponding path program 2 times [2021-11-19 14:16:12,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:16:12,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762862344] [2021-11-19 14:16:12,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:16:12,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:16:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:16:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2021-11-19 14:16:12,697 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:16:12,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762862344] [2021-11-19 14:16:12,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762862344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:16:12,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:16:12,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:16:12,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763673258] [2021-11-19 14:16:12,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:16:12,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:16:12,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:16:12,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:16:12,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:16:12,700 INFO L87 Difference]: Start difference. First operand 222 states and 329 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2021-11-19 14:16:14,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:16:15,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:16:15,026 INFO L93 Difference]: Finished difference Result 359 states and 531 transitions. [2021-11-19 14:16:15,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:16:15,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) Word has length 238 [2021-11-19 14:16:15,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:16:15,030 INFO L225 Difference]: With dead ends: 359 [2021-11-19 14:16:15,030 INFO L226 Difference]: Without dead ends: 268 [2021-11-19 14:16:15,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:16:15,032 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 67 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:16:15,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 588 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 14:16:15,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-11-19 14:16:15,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 264. [2021-11-19 14:16:15,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 162 states have (on average 1.2962962962962963) internal successors, (210), 165 states have internal predecessors, (210), 88 states have call successors, (88), 11 states have call predecessors, (88), 13 states have return successors, (95), 87 states have call predecessors, (95), 88 states have call successors, (95) [2021-11-19 14:16:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 393 transitions. [2021-11-19 14:16:15,057 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 393 transitions. Word has length 238 [2021-11-19 14:16:15,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:16:15,058 INFO L470 AbstractCegarLoop]: Abstraction has 264 states and 393 transitions. [2021-11-19 14:16:15,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2021-11-19 14:16:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 393 transitions. [2021-11-19 14:16:15,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-19 14:16:15,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:16:15,064 INFO L514 BasicCegarLoop]: trace histogram [44, 12, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:16:15,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-19 14:16:15,064 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:16:15,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:16:15,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1237403173, now seen corresponding path program 1 times [2021-11-19 14:16:15,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:16:15,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241147717] [2021-11-19 14:16:15,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:16:15,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:16:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:16:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2021-11-19 14:16:15,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:16:15,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241147717] [2021-11-19 14:16:15,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241147717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:16:15,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:16:15,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:16:15,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116229956] [2021-11-19 14:16:15,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:16:15,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:16:15,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:16:15,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:16:15,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:16:15,357 INFO L87 Difference]: Start difference. First operand 264 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2021-11-19 14:16:17,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:16:17,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:16:17,644 INFO L93 Difference]: Finished difference Result 462 states and 685 transitions. [2021-11-19 14:16:17,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:16:17,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) Word has length 238 [2021-11-19 14:16:17,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:16:17,647 INFO L225 Difference]: With dead ends: 462 [2021-11-19 14:16:17,648 INFO L226 Difference]: Without dead ends: 238 [2021-11-19 14:16:17,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:16:17,650 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 63 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:16:17,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 586 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 14:16:17,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-11-19 14:16:17,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2021-11-19 14:16:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 144 states have (on average 1.25) internal successors, (180), 146 states have internal predecessors, (180), 79 states have call successors, (79), 11 states have call predecessors, (79), 12 states have return successors, (84), 78 states have call predecessors, (84), 79 states have call successors, (84) [2021-11-19 14:16:17,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 343 transitions. [2021-11-19 14:16:17,670 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 343 transitions. Word has length 238 [2021-11-19 14:16:17,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:16:17,671 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 343 transitions. [2021-11-19 14:16:17,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2021-11-19 14:16:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 343 transitions. [2021-11-19 14:16:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-19 14:16:17,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:16:17,676 INFO L514 BasicCegarLoop]: trace histogram [44, 12, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:16:17,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-19 14:16:17,676 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:16:17,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:16:17,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1042186182, now seen corresponding path program 1 times [2021-11-19 14:16:17,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:16:17,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584537167] [2021-11-19 14:16:17,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:16:17,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:16:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:16:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 1942 trivial. 0 not checked. [2021-11-19 14:16:17,940 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:16:17,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584537167] [2021-11-19 14:16:17,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584537167] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:16:17,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412853411] [2021-11-19 14:16:17,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:16:17,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:16:17,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:16:17,946 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:16:17,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 14:16:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:16:18,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:16:18,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:16:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 1942 trivial. 0 not checked. [2021-11-19 14:16:19,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:16:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 1942 trivial. 0 not checked. [2021-11-19 14:16:19,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412853411] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:16:19,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1004020270] [2021-11-19 14:16:19,799 INFO L159 IcfgInterpreter]: Started Sifa with 120 locations of interest [2021-11-19 14:16:19,799 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:16:19,800 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:16:19,800 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:16:19,800 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:16:19,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:19,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:19,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:19,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:16:19,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:19,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:19,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-19 14:16:19,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:19,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:16:20,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:20,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2021-11-19 14:16:20,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:20,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:20,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:20,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:16:20,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:20,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:16:20,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 763 [2021-11-19 14:16:20,062 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_78, v_~__CS_thread~0.offset_78], 22=[|v_#length_39|], 297=[|v_#valid_88|]} [2021-11-19 14:16:20,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-19 14:16:20,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:16:20,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:16:20,096 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:20,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:20,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-19 14:16:20,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:16:20,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:16:20,169 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:20,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:20,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:20,969 INFO L244 Elim1Store]: Index analysis took 728 ms [2021-11-19 14:16:20,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 95 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 72 [2021-11-19 14:16:20,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:16:20,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:20,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:16:20,996 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:20,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:21,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:21,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:21,497 INFO L244 Elim1Store]: Index analysis took 198 ms [2021-11-19 14:16:21,723 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-19 14:16:21,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 25 case distinctions, treesize of input 151 treesize of output 157 [2021-11-19 14:16:21,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:21,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:16:21,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:21,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:16:21,759 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:21,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:21,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:21,816 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_339|, |v_#memory_$Pointer$.base_339|], 6=[|v_#memory_int_288|]} [2021-11-19 14:16:21,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:16:21,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:21,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:16:21,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:21,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:16:21,851 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:21,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:21,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:21,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:16:21,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:21,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:16:21,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:21,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:16:21,962 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:21,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:22,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:22,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:22,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:22,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 70 [2021-11-19 14:16:22,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:16:22,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:16:22,089 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:22,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:22,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 618 [2021-11-19 14:16:22,177 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 14:16:22,177 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:753, output treesize:618 [2021-11-19 14:16:22,213 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-19 14:16:22,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:22,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:22,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:16:22,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:16:22,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:16:22,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:22,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:16:22,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:22,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:16:22,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 266 [2021-11-19 14:16:22,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 267 [2021-11-19 14:16:22,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 282 [2021-11-19 14:16:22,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:22,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:22,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:16:22,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:16:22,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:16:22,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 774 [2021-11-19 14:16:22,299 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_47|, |v_#memory_$Pointer$.base_47|], 3=[|v_#memory_$Pointer$.offset_340|, |v_#memory_$Pointer$.base_340|], 36=[|v_#memory_int_289|]} [2021-11-19 14:16:22,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:22,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:22,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:22,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:22,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:22,334 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:16:22,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:22,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:22,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:22,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:22,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:16:22,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:16:22,412 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:16:22,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:16:22,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:16:22,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-19 14:16:22,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:16:22,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:16:22,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:16:22,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:16:22,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:16:22,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-19 14:16:22,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:16:22,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:16:22,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:16:22,594 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:16:22,594 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-19 14:16:22,595 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:16:22,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 9 [2021-11-19 14:16:22,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193874735] [2021-11-19 14:16:22,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:16:22,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 14:16:22,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:16:22,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 14:16:22,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:16:22,597 INFO L87 Difference]: Start difference. First operand 236 states and 343 transitions. Second operand has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 states have internal predecessors, (102), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2021-11-19 14:16:24,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:16:24,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:16:24,883 INFO L93 Difference]: Finished difference Result 460 states and 673 transitions. [2021-11-19 14:16:24,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:16:24,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 states have internal predecessors, (102), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) Word has length 238 [2021-11-19 14:16:24,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:16:24,887 INFO L225 Difference]: With dead ends: 460 [2021-11-19 14:16:24,888 INFO L226 Difference]: Without dead ends: 246 [2021-11-19 14:16:24,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 473 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:16:24,891 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 12 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:16:24,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 396 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 14:16:24,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-19 14:16:24,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2021-11-19 14:16:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 154 states have (on average 1.2467532467532467) internal successors, (192), 156 states have internal predecessors, (192), 79 states have call successors, (79), 11 states have call predecessors, (79), 12 states have return successors, (84), 78 states have call predecessors, (84), 79 states have call successors, (84) [2021-11-19 14:16:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 355 transitions. [2021-11-19 14:16:24,919 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 355 transitions. Word has length 238 [2021-11-19 14:16:24,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:16:24,920 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 355 transitions. [2021-11-19 14:16:24,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 states have internal predecessors, (102), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2021-11-19 14:16:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 355 transitions. [2021-11-19 14:16:24,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-19 14:16:24,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:16:24,927 INFO L514 BasicCegarLoop]: trace histogram [44, 18, 6, 6, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:16:24,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:16:25,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-19 14:16:25,154 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:16:25,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:16:25,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1372595718, now seen corresponding path program 2 times [2021-11-19 14:16:25,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:16:25,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904341286] [2021-11-19 14:16:25,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:16:25,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:16:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:16:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2215 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2213 trivial. 0 not checked. [2021-11-19 14:16:37,124 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:16:37,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904341286] [2021-11-19 14:16:37,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904341286] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:16:37,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987475860] [2021-11-19 14:16:37,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:16:37,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:16:37,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:16:37,130 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:16:37,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ff917f0-2266-4046-9032-0509cf77176b/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 14:28:39,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-19 14:28:39,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:28:40,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-19 14:28:40,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:28:40,145 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-19 14:28:40,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19