./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF --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 f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:39:19,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:39:19,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:39:19,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:39:19,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:39:19,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:39:19,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:39:19,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:39:19,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:39:19,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:39:19,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:39:19,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:39:19,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:39:19,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:39:19,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:39:19,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:39:19,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:39:19,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:39:19,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:39:19,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:39:19,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:39:19,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:39:19,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:39:19,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:39:19,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:39:19,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:39:19,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:39:19,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:39:19,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:39:19,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:39:19,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:39:19,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:39:19,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:39:19,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:39:19,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:39:19,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:39:19,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:39:19,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:39:19,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:39:19,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:39:19,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:39:19,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:39:19,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:39:19,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:39:19,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:39:19,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:39:19,548 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:39:19,548 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:39:19,548 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:39:19,549 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:39:19,555 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:39:19,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:39:19,557 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:39:19,557 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:39:19,557 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:39:19,558 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:39:19,558 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:39:19,558 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:39:19,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:39:19,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:39:19,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:39:19,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:39:19,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:39:19,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:39:19,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:39:19,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:39:19,561 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:39:19,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:39:19,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:39:19,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:39:19,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:39:19,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:39:19,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:39:19,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:39:19,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:39:19,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:39:19,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:39:19,566 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:39:19,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:39:19,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:39:19,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:39:19,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:39:19,580 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_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 [2021-11-12 23:39:19,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:39:19,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:39:19,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:39:19,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:39:19,970 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:39:19,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-12 23:39:20,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/data/a789ed00b/c5d3e2e41a164bf7a1705c4c83a939a8/FLAGfd7cdc6fd [2021-11-12 23:39:20,616 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:39:20,617 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-12 23:39:20,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/data/a789ed00b/c5d3e2e41a164bf7a1705c4c83a939a8/FLAGfd7cdc6fd [2021-11-12 23:39:20,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/data/a789ed00b/c5d3e2e41a164bf7a1705c4c83a939a8 [2021-11-12 23:39:20,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:39:20,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:39:20,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:39:20,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:39:20,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:39:20,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:39:20" (1/1) ... [2021-11-12 23:39:20,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab0f2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:20, skipping insertion in model container [2021-11-12 23:39:20,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:39:20" (1/1) ... [2021-11-12 23:39:20,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:39:20,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:39:21,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-12 23:39:21,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:39:21,480 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:39:21,518 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-12 23:39:21,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:39:21,731 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:39:21,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21 WrapperNode [2021-11-12 23:39:21,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:39:21,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:39:21,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:39:21,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:39:21,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:21,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:21,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:39:21,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:39:21,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:39:21,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:39:21,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:21,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:21,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:21,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:21,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:21,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:21,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:22,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:39:22,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:39:22,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:39:22,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:39:22,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (1/1) ... [2021-11-12 23:39:22,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:39:22,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:39:22,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:39:22,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:39:22,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 23:39:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 23:39:22,109 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:39:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:39:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:39:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:39:22,110 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-12 23:39:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-12 23:39:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:39:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-12 23:39:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-12 23:39:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:39:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-12 23:39:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-12 23:39:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:39:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:39:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:39:22,774 INFO L766 $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; [2021-11-12 23:39:22,774 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != ~__CS_ret~0 % 256); [2021-11-12 23:39:22,775 INFO L766 $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; [2021-11-12 23:39:22,775 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != ~__CS_ret~0 % 256); [2021-11-12 23:39:22,775 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: SUMMARY for call __CS_cs(); srcloc: null [2021-11-12 23:39:22,775 INFO L766 $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; [2021-11-12 23:39:22,775 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume !(0 != ~__CS_ret~0 % 256); [2021-11-12 23:39:26,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:39:26,748 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-12 23:39:26,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:39:26 BoogieIcfgContainer [2021-11-12 23:39:26,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:39:26,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:39:26,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:39:26,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:39:26,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:39:20" (1/3) ... [2021-11-12 23:39:26,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bc4990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:39:26, skipping insertion in model container [2021-11-12 23:39:26,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:39:21" (2/3) ... [2021-11-12 23:39:26,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bc4990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:39:26, skipping insertion in model container [2021-11-12 23:39:26,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:39:26" (3/3) ... [2021-11-12 23:39:26,760 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_fib_longer-1.i [2021-11-12 23:39:26,766 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:39:26,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:39:26,814 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:39:26,820 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 [2021-11-12 23:39:26,820 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:39:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-11-12 23:39:26,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-12 23:39:26,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:26,862 INFO L514 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:26,862 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:39:26,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:26,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1510073786, now seen corresponding path program 1 times [2021-11-12 23:39:26,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:39:26,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409122828] [2021-11-12 23:39:26,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:26,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:39:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-12 23:39:27,430 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:39:27,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409122828] [2021-11-12 23:39:27,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409122828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:27,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:27,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:39:27,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115156548] [2021-11-12 23:39:27,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:27,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:39:27,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:39:27,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:39:27,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:39:27,482 INFO L87 Difference]: Start difference. First operand has 165 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2021-11-12 23:39:29,552 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 [] [2021-11-12 23:39:29,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:29,764 INFO L93 Difference]: Finished difference Result 329 states and 493 transitions. [2021-11-12 23:39:29,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:39:29,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 202 [2021-11-12 23:39:29,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:29,782 INFO L225 Difference]: With dead ends: 329 [2021-11-12 23:39:29,782 INFO L226 Difference]: Without dead ends: 165 [2021-11-12 23:39:29,787 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 [2021-11-12 23:39:29,791 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 2 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2145.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.57ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2205.78ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:29,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 448 Invalid, 42 Unknown, 0 Unchecked, 7.57ms Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 2205.78ms Time] [2021-11-12 23:39:29,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-12 23:39:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 164. [2021-11-12 23:39:29,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 92 states have (on average 1.2065217391304348) internal successors, (111), 92 states have internal predecessors, (111), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-11-12 23:39:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 245 transitions. [2021-11-12 23:39:29,891 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 245 transitions. Word has length 202 [2021-11-12 23:39:29,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:29,892 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 245 transitions. [2021-11-12 23:39:29,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2021-11-12 23:39:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 245 transitions. [2021-11-12 23:39:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-12 23:39:29,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:29,900 INFO L514 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:29,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:39:29,901 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:39:29,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:29,902 INFO L85 PathProgramCache]: Analyzing trace with hash -381408617, now seen corresponding path program 1 times [2021-11-12 23:39:29,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:39:29,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518421431] [2021-11-12 23:39:29,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:29,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:39:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:30,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2257 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-12 23:39:30,080 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:39:30,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518421431] [2021-11-12 23:39:30,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518421431] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:30,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:30,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:39:30,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113766816] [2021-11-12 23:39:30,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:30,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:39:30,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:39:30,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:39:30,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:39:30,091 INFO L87 Difference]: Start difference. First operand 164 states and 245 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2021-11-12 23:39:32,162 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 [] [2021-11-12 23:39:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:32,344 INFO L93 Difference]: Finished difference Result 327 states and 490 transitions. [2021-11-12 23:39:32,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:39:32,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 204 [2021-11-12 23:39:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:32,349 INFO L225 Difference]: With dead ends: 327 [2021-11-12 23:39:32,351 INFO L226 Difference]: Without dead ends: 165 [2021-11-12 23:39:32,353 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 [2021-11-12 23:39:32,356 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 0 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2137.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2216.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:32,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 447 Invalid, 39 Unknown, 0 Unchecked, 4.50ms Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 2216.65ms Time] [2021-11-12 23:39:32,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-12 23:39:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-11-12 23:39:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 93 states have (on average 1.2043010752688172) internal successors, (112), 93 states have internal predecessors, (112), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-11-12 23:39:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 246 transitions. [2021-11-12 23:39:32,409 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 246 transitions. Word has length 204 [2021-11-12 23:39:32,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:32,411 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-11-12 23:39:32,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2021-11-12 23:39:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 246 transitions. [2021-11-12 23:39:32,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-12 23:39:32,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:32,428 INFO L514 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:32,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:39:32,429 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:39:32,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:32,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1815675228, now seen corresponding path program 1 times [2021-11-12 23:39:32,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:39:32,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221066664] [2021-11-12 23:39:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:32,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:39:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-12 23:39:32,646 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:39:32,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221066664] [2021-11-12 23:39:32,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221066664] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:39:32,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086424377] [2021-11-12 23:39:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:32,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:39:32,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:39:32,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:39:32,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:39:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:33,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:39:33,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:33,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-12 23:39:33,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-12 23:39:34,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086424377] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:39:34,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1378235430] [2021-11-12 23:39:34,689 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2021-11-12 23:39:34,695 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:39:34,701 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:39:34,709 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:39:34,710 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:39:35,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:35,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:39:35,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:35,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:39:35,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:35,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:39:35,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:35,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-12 23:39:35,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:35,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-12 23:39:35,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:35,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:39:35,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:35,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:39:35,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 919 [2021-11-12 23:39:35,396 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_39, |v_#length_31|, v_~__CS_thread~0.offset_39], 351=[|v_#valid_79|]} [2021-11-12 23:39:35,456 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 [2021-11-12 23:39:35,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:39:35,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:39:35,461 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:35,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:35,569 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:35,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:36,781 INFO L244 Elim1Store]: Index analysis took 1151 ms [2021-11-12 23:39:36,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-12 23:39:36,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:36,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:39:36,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:36,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:39:36,807 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:36,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:36,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:36,972 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 [2021-11-12 23:39:36,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:36,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:39:36,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:36,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:39:36,978 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:36,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:37,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:37,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:37,638 INFO L244 Elim1Store]: Index analysis took 237 ms [2021-11-12 23:39:37,930 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-12 23:39:37,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-12 23:39:37,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:37,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 23:39:37,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:37,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 23:39:37,978 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:37,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:38,053 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,060 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_298|, |v_#memory_$Pointer$.base_298|], 6=[|v_#memory_int_243|]} [2021-11-12 23:39:38,102 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 [2021-11-12 23:39:38,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:39:38,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:39:38,104 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:38,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:38,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,245 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 [2021-11-12 23:39:38,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:39:38,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:39:38,248 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:38,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:38,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:38,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:38,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:38,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:38,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:38,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-12 23:39:38,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:39:38,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:39:38,404 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:38,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:38,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 667 [2021-11-12 23:39:38,532 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:39:38,532 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:910, output treesize:667 [2021-11-12 23:39:38,571 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-12 23:39:38,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:38,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:38,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,582 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:39:38,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:39:38,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:39:38,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:38,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:39:38,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:38,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:39:38,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-11-12 23:39:38,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-11-12 23:39:38,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-11-12 23:39:38,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:38,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:38,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:39:38,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:39:38,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:39:38,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 823 [2021-11-12 23:39:38,714 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|], 3=[|v_#memory_$Pointer$.base_299|, |v_#memory_$Pointer$.offset_299|], 36=[|v_#memory_int_244|]} [2021-11-12 23:39:38,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:38,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:38,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:38,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:38,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:38,749 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:39:38,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:38,859 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:38,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:38,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:38,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:38,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:38,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:38,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:38,893 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:39:38,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:38,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:39,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:39,036 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 [2021-11-12 23:39:39,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:39,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:39,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:39,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:39,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:39,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:39:39,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:39:39,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:39,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:39,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:39:39,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:39:39,122 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 [2021-11-12 23:39:39,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:39,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:39:39,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:39,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:39:39,125 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:39,126 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) [2021-11-12 23:39:39,128 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:39:39,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-11-12 23:39:39,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946358348] [2021-11-12 23:39:39,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:39:39,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:39:39,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:39:39,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:39:39,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:39,131 INFO L87 Difference]: Start difference. First operand 165 states and 246 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) [2021-11-12 23:39:41,226 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 [] [2021-11-12 23:39:41,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:41,444 INFO L93 Difference]: Finished difference Result 330 states and 494 transitions. [2021-11-12 23:39:41,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:39:41,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) Word has length 205 [2021-11-12 23:39:41,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:41,448 INFO L225 Difference]: With dead ends: 330 [2021-11-12 23:39:41,448 INFO L226 Difference]: Without dead ends: 167 [2021-11-12 23:39:41,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 407 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:41,450 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 0 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2200.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.42ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2282.72ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:41,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 670 Invalid, 61 Unknown, 0 Unchecked, 5.42ms Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 2282.72ms Time] [2021-11-12 23:39:41,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-11-12 23:39:41,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2021-11-12 23:39:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 95 states have (on average 1.2) internal successors, (114), 95 states have internal predecessors, (114), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-11-12 23:39:41,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 248 transitions. [2021-11-12 23:39:41,473 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 248 transitions. Word has length 205 [2021-11-12 23:39:41,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:41,473 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 248 transitions. [2021-11-12 23:39:41,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) [2021-11-12 23:39:41,474 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 248 transitions. [2021-11-12 23:39:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-12 23:39:41,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:41,478 INFO L514 BasicCegarLoop]: trace histogram [48, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:41,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:41,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:39:41,693 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:39:41,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:41,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1320988932, now seen corresponding path program 2 times [2021-11-12 23:39:41,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:39:41,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055164164] [2021-11-12 23:39:41,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:41,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:39:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2262 trivial. 0 not checked. [2021-11-12 23:39:41,899 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:39:41,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055164164] [2021-11-12 23:39:41,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055164164] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:39:41,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700476472] [2021-11-12 23:39:41,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:39:41,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:39:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:39:41,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:39:41,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:39:42,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-12 23:39:42,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 23:39:42,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:39:42,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2021-11-12 23:39:43,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:44,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2021-11-12 23:39:44,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700476472] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:44,082 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:39:44,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [4] total 7 [2021-11-12 23:39:44,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391168716] [2021-11-12 23:39:44,083 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:44,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:44,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:39:44,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:44,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:39:44,086 INFO L87 Difference]: Start difference. First operand 167 states and 248 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 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) [2021-11-12 23:39:46,152 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 [] [2021-11-12 23:39:46,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:46,568 INFO L93 Difference]: Finished difference Result 325 states and 486 transitions. [2021-11-12 23:39:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:46,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 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 207 [2021-11-12 23:39:46,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:46,575 INFO L225 Difference]: With dead ends: 325 [2021-11-12 23:39:46,576 INFO L226 Difference]: Without dead ends: 224 [2021-11-12 23:39:46,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 410 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:39:46,584 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 135 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 86 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2294.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.46ms SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2418.79ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:46,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 798 Invalid, 145 Unknown, 0 Unchecked, 9.46ms Time], IncrementalHoareTripleChecker [86 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 2418.79ms Time] [2021-11-12 23:39:46,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-12 23:39:46,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 223. [2021-11-12 23:39:46,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 130 states have internal predecessors, (163), 85 states have call successors, (85), 8 states have call predecessors, (85), 8 states have return successors, (87), 84 states have call predecessors, (87), 85 states have call successors, (87) [2021-11-12 23:39:46,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 335 transitions. [2021-11-12 23:39:46,639 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 335 transitions. Word has length 207 [2021-11-12 23:39:46,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:46,640 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 335 transitions. [2021-11-12 23:39:46,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 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) [2021-11-12 23:39:46,640 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 335 transitions. [2021-11-12 23:39:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-12 23:39:46,646 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:46,646 INFO L514 BasicCegarLoop]: trace histogram [52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:46,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:46,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-12 23:39:46,869 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:39:46,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:46,869 INFO L85 PathProgramCache]: Analyzing trace with hash -966969411, now seen corresponding path program 1 times [2021-11-12 23:39:46,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:39:46,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717723544] [2021-11-12 23:39:46,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:46,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:39:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2685 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2684 trivial. 0 not checked. [2021-11-12 23:39:47,048 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:39:47,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717723544] [2021-11-12 23:39:47,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717723544] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:39:47,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462997430] [2021-11-12 23:39:47,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:47,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:39:47,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:39:47,068 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:39:47,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:39:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:47,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:39:47,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2685 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2684 trivial. 0 not checked. [2021-11-12 23:39:48,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2685 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2684 trivial. 0 not checked. [2021-11-12 23:39:49,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462997430] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:39:49,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [340432902] [2021-11-12 23:39:49,139 INFO L159 IcfgInterpreter]: Started Sifa with 136 locations of interest [2021-11-12 23:39:49,140 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:39:49,141 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:39:49,141 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:39:49,142 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:39:49,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:49,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:49,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:49,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-12 23:39:49,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:49,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:49,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:39:49,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:49,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:49,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-12 23:39:49,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:49,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:49,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:39:49,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:49,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:49,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:39:49,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:49,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:49,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:39:49,497 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:49,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:49,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:39:49,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 919 [2021-11-12 23:39:49,526 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_36|, v_~__CS_thread~0.offset_59, v_~__CS_thread~0.base_59], 351=[|v_#valid_85|]} [2021-11-12 23:39:49,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:50,769 INFO L244 Elim1Store]: Index analysis took 1189 ms [2021-11-12 23:39:50,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-12 23:39:50,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:50,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:39:50,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:50,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:39:50,777 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:50,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:50,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:50,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-12 23:39:50,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:50,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:39:50,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:50,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:39:50,897 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:50,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:50,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:51,010 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 [2021-11-12 23:39:51,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:51,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:39:51,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:51,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:39:51,012 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:51,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:51,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:51,698 INFO L244 Elim1Store]: Index analysis took 247 ms [2021-11-12 23:39:52,011 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-12 23:39:52,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-12 23:39:52,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 23:39:52,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 23:39:52,059 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:52,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:52,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,166 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_328|, |v_#memory_$Pointer$.base_328|], 6=[|v_#memory_int_273|]} [2021-11-12 23:39:52,206 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 [2021-11-12 23:39:52,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:39:52,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:39:52,209 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:52,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:52,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,323 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 [2021-11-12 23:39:52,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:39:52,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:39:52,328 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:52,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:52,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:52,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:52,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:52,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-12 23:39:52,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:39:52,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:39:52,505 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:52,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:52,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 667 [2021-11-12 23:39:52,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:39:52,619 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:910, output treesize:667 [2021-11-12 23:39:52,650 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-12 23:39:52,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:52,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:52,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:39:52,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:39:52,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:39:52,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:39:52,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:39:52,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:52,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:52,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:39:52,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,687 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:52,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:39:52,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:52,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:39:52,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-11-12 23:39:52,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-11-12 23:39:52,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-11-12 23:39:52,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 823 [2021-11-12 23:39:52,754 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|], 3=[|v_#memory_$Pointer$.base_329|, |v_#memory_$Pointer$.offset_329|], 36=[|v_#memory_int_274|]} [2021-11-12 23:39:52,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:52,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,777 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:52,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:52,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:52,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:52,781 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:39:52,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:52,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:52,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:52,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:52,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:52,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:52,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:39:52,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:39:52,901 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:39:52,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:39:52,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:53,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:39:53,030 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 [2021-11-12 23:39:53,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:53,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:53,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:53,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:53,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:53,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:39:53,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:39:53,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:39:53,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:53,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:39:53,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:39:53,168 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 [2021-11-12 23:39:53,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:53,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:39:53,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:39:53,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:39:53,170 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:39:53,171 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:39:53,174 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:39:53,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2021-11-12 23:39:53,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920345610] [2021-11-12 23:39:53,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:39:53,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:39:53,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:39:53,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:39:53,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:39:53,178 INFO L87 Difference]: Start difference. First operand 223 states and 335 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-12 23:39:55,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:39:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:55,472 INFO L93 Difference]: Finished difference Result 454 states and 682 transitions. [2021-11-12 23:39:55,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:39:55,473 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 255 [2021-11-12 23:39:55,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:55,476 INFO L225 Difference]: With dead ends: 454 [2021-11-12 23:39:55,476 INFO L226 Difference]: Without dead ends: 238 [2021-11-12 23:39:55,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:39:55,479 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 12 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2197.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.84ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2267.12ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:55,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 446 Invalid, 52 Unknown, 0 Unchecked, 2.84ms Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 2267.12ms Time] [2021-11-12 23:39:55,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-11-12 23:39:55,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2021-11-12 23:39:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 144 states have (on average 1.2569444444444444) internal successors, (181), 145 states have internal predecessors, (181), 85 states have call successors, (85), 8 states have call predecessors, (85), 8 states have return successors, (87), 84 states have call predecessors, (87), 85 states have call successors, (87) [2021-11-12 23:39:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 353 transitions. [2021-11-12 23:39:55,504 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 353 transitions. Word has length 255 [2021-11-12 23:39:55,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:55,504 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 353 transitions. [2021-11-12 23:39:55,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-12 23:39:55,505 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 353 transitions. [2021-11-12 23:39:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-12 23:39:55,511 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:55,511 INFO L514 BasicCegarLoop]: trace histogram [52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:55,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:55,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:39:55,737 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:39:55,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:55,737 INFO L85 PathProgramCache]: Analyzing trace with hash -52104577, now seen corresponding path program 2 times [2021-11-12 23:39:55,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:39:55,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245124171] [2021-11-12 23:39:55,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:55,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:39:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2808 trivial. 0 not checked. [2021-11-12 23:39:56,091 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:39:56,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245124171] [2021-11-12 23:39:56,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245124171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:56,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:56,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:39:56,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390510518] [2021-11-12 23:39:56,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:56,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:39:56,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:39:56,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:39:56,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:39:56,094 INFO L87 Difference]: Start difference. First operand 238 states and 353 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-12 23:39:58,159 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 [] [2021-11-12 23:39:58,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:58,412 INFO L93 Difference]: Finished difference Result 391 states and 579 transitions. [2021-11-12 23:39:58,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:39:58,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 270 [2021-11-12 23:39:58,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:58,417 INFO L225 Difference]: With dead ends: 391 [2021-11-12 23:39:58,418 INFO L226 Difference]: Without dead ends: 284 [2021-11-12 23:39:58,419 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 [2021-11-12 23:39:58,419 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 67 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2209.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.74ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2286.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:58,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 660 Invalid, 74 Unknown, 0 Unchecked, 3.74ms Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 2286.83ms Time] [2021-11-12 23:39:58,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-11-12 23:39:58,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2021-11-12 23:39:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 170 states have (on average 1.2823529411764707) internal successors, (218), 173 states have internal predecessors, (218), 96 states have call successors, (96), 11 states have call predecessors, (96), 13 states have return successors, (103), 95 states have call predecessors, (103), 96 states have call successors, (103) [2021-11-12 23:39:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 417 transitions. [2021-11-12 23:39:58,445 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 417 transitions. Word has length 270 [2021-11-12 23:39:58,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:58,445 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 417 transitions. [2021-11-12 23:39:58,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-12 23:39:58,446 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 417 transitions. [2021-11-12 23:39:58,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-12 23:39:58,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:58,452 INFO L514 BasicCegarLoop]: trace histogram [52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:58,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-12 23:39:58,452 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:39:58,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:58,453 INFO L85 PathProgramCache]: Analyzing trace with hash -613058354, now seen corresponding path program 1 times [2021-11-12 23:39:58,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:39:58,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979899457] [2021-11-12 23:39:58,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:58,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:39:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2808 trivial. 0 not checked. [2021-11-12 23:39:58,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:39:58,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979899457] [2021-11-12 23:39:58,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979899457] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:58,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:58,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-12 23:39:58,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013958206] [2021-11-12 23:39:58,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:58,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:39:58,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:39:58,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:39:58,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:39:58,727 INFO L87 Difference]: Start difference. First operand 280 states and 417 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-12 23:40:00,801 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 [] [2021-11-12 23:40:01,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:01,087 INFO L93 Difference]: Finished difference Result 494 states and 733 transitions. [2021-11-12 23:40:01,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:40:01,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 270 [2021-11-12 23:40:01,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:01,091 INFO L225 Difference]: With dead ends: 494 [2021-11-12 23:40:01,092 INFO L226 Difference]: Without dead ends: 254 [2021-11-12 23:40:01,093 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 [2021-11-12 23:40:01,094 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 63 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2213.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.49ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2300.50ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:01,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 658 Invalid, 71 Unknown, 0 Unchecked, 20.49ms Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 2300.50ms Time] [2021-11-12 23:40:01,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-12 23:40:01,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2021-11-12 23:40:01,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 152 states have (on average 1.236842105263158) internal successors, (188), 154 states have internal predecessors, (188), 87 states have call successors, (87), 11 states have call predecessors, (87), 12 states have return successors, (92), 86 states have call predecessors, (92), 87 states have call successors, (92) [2021-11-12 23:40:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 367 transitions. [2021-11-12 23:40:01,116 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 367 transitions. Word has length 270 [2021-11-12 23:40:01,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:01,117 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 367 transitions. [2021-11-12 23:40:01,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-12 23:40:01,117 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 367 transitions. [2021-11-12 23:40:01,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-12 23:40:01,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:01,123 INFO L514 BasicCegarLoop]: trace histogram [52, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:01,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-12 23:40:01,123 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:40:01,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:01,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1906374284, now seen corresponding path program 1 times [2021-11-12 23:40:01,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:40:01,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763117480] [2021-11-12 23:40:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:01,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:40:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2021-11-12 23:40:01,442 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:40:01,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763117480] [2021-11-12 23:40:01,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763117480] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:40:01,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814495139] [2021-11-12 23:40:01,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:01,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:40:01,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:40:01,445 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:40:01,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:40:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:01,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:40:01,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2021-11-12 23:40:02,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2021-11-12 23:40:03,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814495139] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:40:03,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [132712099] [2021-11-12 23:40:03,480 INFO L159 IcfgInterpreter]: Started Sifa with 136 locations of interest [2021-11-12 23:40:03,481 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:40:03,482 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:40:03,482 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:40:03,482 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:40:03,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:03,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:40:03,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:03,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-12 23:40:03,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:03,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:40:03,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:03,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:40:03,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:03,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-12 23:40:03,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:03,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:40:03,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:03,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:40:03,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 919 [2021-11-12 23:40:03,795 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_78, v_~__CS_thread~0.offset_78, |v_#length_41|], 351=[|v_#valid_91|]} [2021-11-12 23:40:03,848 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 [2021-11-12 23:40:03,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:40:03,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:40:03,851 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:40:03,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:40:03,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,967 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 [2021-11-12 23:40:03,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:40:03,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:03,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:40:03,970 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:40:03,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:40:04,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:04,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,157 INFO L244 Elim1Store]: Index analysis took 1092 ms [2021-11-12 23:40:05,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 106 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 66 [2021-11-12 23:40:05,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:05,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:40:05,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:05,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:40:05,173 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:40:05,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:40:05,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:05,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:05,897 INFO L244 Elim1Store]: Index analysis took 295 ms [2021-11-12 23:40:06,154 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-12 23:40:06,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 81 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 25 case distinctions, treesize of input 155 treesize of output 154 [2021-11-12 23:40:06,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 23:40:06,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 23:40:06,190 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:40:06,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:40:06,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,265 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_365|, |v_#memory_$Pointer$.offset_365|], 6=[|v_#memory_int_310|]} [2021-11-12 23:40:06,331 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 [2021-11-12 23:40:06,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:40:06,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:40:06,333 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-12 23:40:06,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:40:06,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,434 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 [2021-11-12 23:40:06,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:40:06,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-12 23:40:06,436 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-12 23:40:06,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:40:06,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:06,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:06,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:06,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:06,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:06,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-12 23:40:06,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:40:06,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-12 23:40:06,588 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-12 23:40:06,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:40:06,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 667 [2021-11-12 23:40:06,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:40:06,686 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:910, output treesize:667 [2021-11-12 23:40:06,713 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-12 23:40:06,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:40:06,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:40:06,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:40:06,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:40:06,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2021-11-12 23:40:06,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-11-12 23:40:06,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 311 [2021-11-12 23:40:06,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:40:06,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:40:06,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:40:06,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:40:06,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:40:06,746 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:40:06,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:40:06,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-12 23:40:06,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:40:06,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:40:06,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 823 [2021-11-12 23:40:06,781 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|], 3=[|v_#memory_$Pointer$.base_366|, |v_#memory_$Pointer$.offset_366|], 36=[|v_#memory_int_311|]} [2021-11-12 23:40:06,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:40:06,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:40:06,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:40:06,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:40:06,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:40:06,810 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:40:06,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:40:06,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:40:06,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:40:06,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:40:06,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,899 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:06,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:06,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:40:06,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:40:06,900 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-12 23:40:06,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:40:06,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:07,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:40:07,016 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 [2021-11-12 23:40:07,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:07,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:07,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:07,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:07,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:07,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:40:07,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-12 23:40:07,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:40:07,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:07,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:40:07,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 23:40:07,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-12 23:40:07,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:07,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:40:07,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:40:07,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:40:07,095 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:40:07,095 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:40:07,096 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:40:07,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 10 [2021-11-12 23:40:07,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529528171] [2021-11-12 23:40:07,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-12 23:40:07,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:40:07,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:40:07,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:40:07,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:40:07,099 INFO L87 Difference]: Start difference. First operand 252 states and 367 transitions. Second operand has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-12 23:40:09,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:40:09,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:09,476 INFO L93 Difference]: Finished difference Result 497 states and 728 transitions. [2021-11-12 23:40:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:40:09,477 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 270 [2021-11-12 23:40:09,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:09,480 INFO L225 Difference]: With dead ends: 497 [2021-11-12 23:40:09,480 INFO L226 Difference]: Without dead ends: 267 [2021-11-12 23:40:09,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 536 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:40:09,482 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 14 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2264.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.31ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2348.19ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:09,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 888 Invalid, 92 Unknown, 0 Unchecked, 3.31ms Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 2348.19ms Time] [2021-11-12 23:40:09,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-11-12 23:40:09,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2021-11-12 23:40:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 167 states have (on average 1.2335329341317365) internal successors, (206), 169 states have internal predecessors, (206), 87 states have call successors, (87), 11 states have call predecessors, (87), 12 states have return successors, (92), 86 states have call predecessors, (92), 87 states have call successors, (92) [2021-11-12 23:40:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 385 transitions. [2021-11-12 23:40:09,507 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 385 transitions. Word has length 270 [2021-11-12 23:40:09,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:09,508 INFO L470 AbstractCegarLoop]: Abstraction has 267 states and 385 transitions. [2021-11-12 23:40:09,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-12 23:40:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 385 transitions. [2021-11-12 23:40:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-12 23:40:09,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:09,514 INFO L514 BasicCegarLoop]: trace histogram [52, 21, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:09,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:09,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-12 23:40:09,737 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:40:09,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:09,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1744314250, now seen corresponding path program 2 times [2021-11-12 23:40:09,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:40:09,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030550441] [2021-11-12 23:40:09,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:09,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:40:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:23,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3084 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3075 trivial. 0 not checked. [2021-11-12 23:40:23,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:40:23,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030550441] [2021-11-12 23:40:23,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030550441] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-12 23:40:23,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288296723] [2021-11-12 23:40:23,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:40:23,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:40:23,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:40:23,543 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:40:23,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf5f1c4d-f7a8-4202-9460-49ce33efb431/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process