./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:13:55,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:13:55,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:13:55,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:13:55,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:13:55,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:13:55,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:13:55,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:13:55,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:13:55,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:13:55,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:13:55,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:13:55,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:13:55,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:13:55,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:13:55,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:13:55,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:13:55,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:13:55,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:13:55,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:13:55,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:13:55,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:13:55,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:13:55,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:13:55,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:13:55,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:13:55,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:13:55,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:13:55,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:13:55,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:13:55,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:13:55,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:13:55,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:13:55,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:13:55,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:13:55,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:13:55,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:13:55,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:13:55,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:13:55,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:13:55,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:13:55,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-24 11:13:55,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:13:55,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:13:55,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:13:55,573 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:13:55,574 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:13:55,581 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:13:55,581 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:13:55,582 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:13:55,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:13:55,582 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:13:55,584 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:13:55,584 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:13:55,584 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:13:55,585 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:13:55,585 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:13:55,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 11:13:55,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 11:13:55,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:13:55,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:13:55,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:13:55,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:13:55,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:13:55,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:13:55,589 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 11:13:55,589 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 11:13:55,589 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 11:13:55,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:13:55,592 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:13:55,592 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:13:55,593 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:13:55,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:13:55,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:13:55,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:13:55,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:13:55,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:13:55,595 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:13:55,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:13:55,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:13:55,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:13:55,596 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_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e [2021-10-24 11:13:55,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:13:55,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:13:55,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:13:55,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:13:55,954 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:13:55,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-10-24 11:13:56,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/data/7188c8006/2b2e18cef52b48ce99dcf0d176e94cbf/FLAGe4cfce432 [2021-10-24 11:13:56,668 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:13:56,669 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-10-24 11:13:56,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/data/7188c8006/2b2e18cef52b48ce99dcf0d176e94cbf/FLAGe4cfce432 [2021-10-24 11:13:56,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/data/7188c8006/2b2e18cef52b48ce99dcf0d176e94cbf [2021-10-24 11:13:56,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:13:56,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:13:56,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:13:56,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:13:56,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:13:56,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:13:56" (1/1) ... [2021-10-24 11:13:56,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514ad80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:56, skipping insertion in model container [2021-10-24 11:13:56,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:13:56" (1/1) ... [2021-10-24 11:13:56,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:13:56,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:13:57,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:13:57,381 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:13:57,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:13:57,484 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:13:57,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57 WrapperNode [2021-10-24 11:13:57,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:13:57,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:13:57,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:13:57,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:13:57,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:13:57,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:13:57,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:13:57,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:13:57,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:13:57,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:13:57,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:13:57,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:13:57,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (1/1) ... [2021-10-24 11:13:57,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:13:57,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:13:57,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:13:57,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:13:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 11:13:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:13:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 11:13:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:13:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:13:58,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:13:58,126 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-24 11:13:58,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:13:58 BoogieIcfgContainer [2021-10-24 11:13:58,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:13:58,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:13:58,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:13:58,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:13:58,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:13:56" (1/3) ... [2021-10-24 11:13:58,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7a26d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:13:58, skipping insertion in model container [2021-10-24 11:13:58,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:57" (2/3) ... [2021-10-24 11:13:58,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7a26d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:13:58, skipping insertion in model container [2021-10-24 11:13:58,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:13:58" (3/3) ... [2021-10-24 11:13:58,152 INFO L111 eAbstractionObserver]: Analyzing ICFG openbsd_cmemset-alloca-1.i [2021-10-24 11:13:58,158 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:13:58,159 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:13:58,214 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:13:58,222 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 11:13:58,223 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:13:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:58,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-24 11:13:58,246 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:58,247 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-24 11:13:58,248 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-24 11:13:58,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:58,254 INFO L82 PathProgramCache]: Analyzing trace with hash 2609821, now seen corresponding path program 1 times [2021-10-24 11:13:58,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:13:58,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739976632] [2021-10-24 11:13:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:58,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:13:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:13:58,511 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:13:58,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739976632] [2021-10-24 11:13:58,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739976632] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:58,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:58,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 11:13:58,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355733889] [2021-10-24 11:13:58,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:13:58,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:13:58,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:13:58,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:13:58,540 INFO L87 Difference]: Start difference. First operand has 11 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:58,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:58,602 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2021-10-24 11:13:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:13:58,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-24 11:13:58,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:58,612 INFO L225 Difference]: With dead ends: 11 [2021-10-24 11:13:58,613 INFO L226 Difference]: Without dead ends: 10 [2021-10-24 11:13:58,614 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:13:58,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-24 11:13:58,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2021-10-24 11:13:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-10-24 11:13:58,647 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2021-10-24 11:13:58,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:58,647 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-10-24 11:13:58,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:58,648 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-10-24 11:13:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-24 11:13:58,649 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:58,649 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-24 11:13:58,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 11:13:58,650 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-24 11:13:58,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:58,651 INFO L82 PathProgramCache]: Analyzing trace with hash 2609822, now seen corresponding path program 1 times [2021-10-24 11:13:58,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:13:58,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134206808] [2021-10-24 11:13:58,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:58,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:13:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:13:58,810 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:13:58,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134206808] [2021-10-24 11:13:58,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134206808] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:58,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:58,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 11:13:58,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604712540] [2021-10-24 11:13:58,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:13:58,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:13:58,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:13:58,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:13:58,820 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:58,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:58,897 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2021-10-24 11:13:58,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:13:58,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-24 11:13:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:58,899 INFO L225 Difference]: With dead ends: 14 [2021-10-24 11:13:58,899 INFO L226 Difference]: Without dead ends: 14 [2021-10-24 11:13:58,901 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 74.9ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:13:58,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-10-24 11:13:58,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2021-10-24 11:13:58,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-10-24 11:13:58,906 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 4 [2021-10-24 11:13:58,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:58,907 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-10-24 11:13:58,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-10-24 11:13:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-24 11:13:58,909 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:58,910 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-24 11:13:58,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 11:13:58,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-24 11:13:58,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:58,912 INFO L82 PathProgramCache]: Analyzing trace with hash 2629929, now seen corresponding path program 1 times [2021-10-24 11:13:58,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:13:58,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367197647] [2021-10-24 11:13:58,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:58,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:13:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:13:59,062 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:13:59,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367197647] [2021-10-24 11:13:59,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367197647] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:13:59,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:13:59,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 11:13:59,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160194404] [2021-10-24 11:13:59,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:13:59,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:13:59,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:13:59,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:13:59,078 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:59,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:13:59,115 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2021-10-24 11:13:59,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:13:59,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-24 11:13:59,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:13:59,117 INFO L225 Difference]: With dead ends: 11 [2021-10-24 11:13:59,117 INFO L226 Difference]: Without dead ends: 11 [2021-10-24 11:13:59,119 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:13:59,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-24 11:13:59,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-24 11:13:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-24 11:13:59,122 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 4 [2021-10-24 11:13:59,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:13:59,123 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-10-24 11:13:59,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:13:59,123 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-24 11:13:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-24 11:13:59,123 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:13:59,124 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-24 11:13:59,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 11:13:59,124 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-24 11:13:59,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:13:59,124 INFO L82 PathProgramCache]: Analyzing trace with hash 440543278, now seen corresponding path program 1 times [2021-10-24 11:13:59,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:13:59,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785053090] [2021-10-24 11:13:59,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:59,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:13:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:13:59,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:13:59,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785053090] [2021-10-24 11:13:59,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785053090] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 11:13:59,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284920489] [2021-10-24 11:13:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:13:59,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:13:59,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:13:59,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 11:13:59,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-24 11:13:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:13:59,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-24 11:13:59,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:13:59,659 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 6 treesize of output 5 [2021-10-24 11:14:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:14:00,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:14:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:14:00,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284920489] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:14:00,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1256071482] [2021-10-24 11:14:00,388 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-10-24 11:14:00,389 INFO L166 IcfgInterpreter]: Building call graph [2021-10-24 11:14:00,396 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-24 11:14:00,403 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-24 11:14:00,404 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-24 11:14:00,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:00,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-24 11:14:00,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:00,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-24 11:14:00,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:00,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-24 11:14:00,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:00,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-24 11:14:00,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-10-24 11:14:00,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:00,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:00,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:00,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:00,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:00,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:00,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:00,647 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:00,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 1 [2021-10-24 11:14:00,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:00,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:00,664 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:00,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:00,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 1 [2021-10-24 11:14:00,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:00,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:00,679 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:00,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:00,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:00,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:00,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:00,776 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:00,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-10-24 11:14:00,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:00,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:00,792 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:00,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:00,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-10-24 11:14:00,815 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-24 11:14:00,816 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:361, output treesize:91 [2021-10-24 11:14:00,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-10-24 11:14:00,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:00,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-24 11:14:00,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-10-24 11:14:00,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-24 11:14:00,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-24 11:14:00,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-24 11:14:00,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:00,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:00,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-10-24 11:14:00,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 11:14:00,949 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:138, output treesize:134 [2021-10-24 11:14:00,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-10-24 11:14:00,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:00,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-10-24 11:14:01,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:01,024 INFO L185 QuantifierPusher]: treesize reduction 5, result has 97.1 percent of original size 169 [2021-10-24 11:14:01,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:01,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-10-24 11:14:01,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 11:14:01,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 11:14:01,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:01,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:01,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,073 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.0 percent of original size [2021-10-24 11:14:01,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-10-24 11:14:01,078 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 11:14:01,078 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:163 [2021-10-24 11:14:01,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:01,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:01,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:01,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-10-24 11:14:01,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-10-24 11:14:01,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-24 11:14:01,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 11:14:01,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-24 11:14:01,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-24 11:14:01,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 11:14:01,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-24 11:14:01,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-10-24 11:14:01,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-24 11:14:01,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 11:14:01,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-24 11:14:01,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-24 11:14:01,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-10-24 11:14:01,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:01,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:01,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-24 11:14:01,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 455 [2021-10-24 11:14:02,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 267 [2021-10-24 11:14:02,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:02,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:02,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-24 11:14:02,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:02,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:02,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-10-24 11:14:02,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:02,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 276 [2021-10-24 11:14:02,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-10-24 11:14:02,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:02,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-10-24 11:14:02,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 11:14:02,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 11:14:02,771 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:02,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:02,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:02,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:02,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-10-24 11:14:02,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 11:14:02,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 11:14:02,804 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:02,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:02,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-10-24 11:14:02,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-10-24 11:14:02,843 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:320, output treesize:312 [2021-10-24 11:14:02,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:02,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:02,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:02,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:02,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:02,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:02,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:02,977 INFO L180 QuantifierPusher]: treesize reduction 18, result has 82.7 percent of original size [2021-10-24 11:14:02,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-10-24 11:14:02,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:02,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-10-24 11:14:02,997 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-10-24 11:14:02,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:03,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:03,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-24 11:14:03,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-10-24 11:14:03,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-24 11:14:03,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:03,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:03,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:03,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:03,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:03,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:03,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:03,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-10-24 11:14:03,053 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 11:14:03,053 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:109, output treesize:105 [2021-10-24 11:14:03,060 INFO L180 QuantifierPusher]: treesize reduction 18, result has 82.7 percent of original size [2021-10-24 11:14:03,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-10-24 11:14:03,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:03,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-10-24 11:14:03,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:03,348 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-24 11:14:05,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-24 11:14:05,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-24 11:14:05,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 18 [2021-10-24 11:14:05,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947686289] [2021-10-24 11:14:05,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-24 11:14:05,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:14:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-24 11:14:05,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2021-10-24 11:14:05,270 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:05,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:14:05,591 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2021-10-24 11:14:05,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 11:14:05,592 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-24 11:14:05,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:14:05,592 INFO L225 Difference]: With dead ends: 14 [2021-10-24 11:14:05,592 INFO L226 Difference]: Without dead ends: 14 [2021-10-24 11:14:05,593 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2616.2ms TimeCoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2021-10-24 11:14:05,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-10-24 11:14:05,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-10-24 11:14:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-10-24 11:14:05,596 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2021-10-24 11:14:05,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:14:05,596 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-10-24 11:14:05,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-10-24 11:14:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-24 11:14:05,597 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:14:05,597 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:14:05,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:14:05,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:14:05,798 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-24 11:14:05,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:14:05,799 INFO L82 PathProgramCache]: Analyzing trace with hash 440542243, now seen corresponding path program 1 times [2021-10-24 11:14:05,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:14:05,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203914197] [2021-10-24 11:14:05,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:14:05,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:14:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:14:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:14:05,885 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:14:05,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203914197] [2021-10-24 11:14:05,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203914197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:14:05,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:14:05,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 11:14:05,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512734286] [2021-10-24 11:14:05,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:14:05,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:14:05,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:14:05,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:14:05,887 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:05,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:14:05,899 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-10-24 11:14:05,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:14:05,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-24 11:14:05,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:14:05,904 INFO L225 Difference]: With dead ends: 13 [2021-10-24 11:14:05,904 INFO L226 Difference]: Without dead ends: 11 [2021-10-24 11:14:05,904 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.5ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:14:05,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-24 11:14:05,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-24 11:14:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-10-24 11:14:05,906 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2021-10-24 11:14:05,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:14:05,907 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-10-24 11:14:05,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:05,907 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-10-24 11:14:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-24 11:14:05,907 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:14:05,907 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2021-10-24 11:14:05,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-24 11:14:05,908 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-24 11:14:05,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:14:05,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1194514274, now seen corresponding path program 2 times [2021-10-24 11:14:05,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:14:05,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244104666] [2021-10-24 11:14:05,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:14:05,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:14:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:14:06,258 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:14:06,258 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:14:06,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244104666] [2021-10-24 11:14:06,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244104666] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 11:14:06,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563273752] [2021-10-24 11:14:06,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-24 11:14:06,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:14:06,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:14:06,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 11:14:06,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-24 11:14:06,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-24 11:14:06,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-24 11:14:06,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-24 11:14:06,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:14:06,380 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 6 treesize of output 5 [2021-10-24 11:14:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:14:06,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:14:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:14:07,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563273752] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:14:07,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1999215894] [2021-10-24 11:14:07,289 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-10-24 11:14:07,289 INFO L166 IcfgInterpreter]: Building call graph [2021-10-24 11:14:07,289 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-24 11:14:07,289 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-24 11:14:07,289 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-24 11:14:07,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-24 11:14:07,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-24 11:14:07,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-24 11:14:07,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-24 11:14:07,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-10-24 11:14:07,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:07,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:07,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 1 [2021-10-24 11:14:07,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:07,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:07,365 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:07,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,391 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:07,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,403 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:07,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:07,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,446 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:07,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,458 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,474 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 6 treesize of output 5 [2021-10-24 11:14:07,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:07,476 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:07,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-10-24 11:14:07,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-10-24 11:14:07,509 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:361, output treesize:268 [2021-10-24 11:14:07,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 289 [2021-10-24 11:14:07,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-24 11:14:07,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-10-24 11:14:07,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-24 11:14:07,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-24 11:14:07,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-10-24 11:14:07,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:07,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2021-10-24 11:14:07,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:07,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:07,601 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:07,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2021-10-24 11:14:07,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:07,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:07,614 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:07,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-10-24 11:14:07,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,629 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:409, output treesize:134 [2021-10-24 11:14:07,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-10-24 11:14:07,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-10-24 11:14:07,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:07,666 INFO L185 QuantifierPusher]: treesize reduction 14, result has 91.7 percent of original size 155 [2021-10-24 11:14:07,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:07,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-10-24 11:14:07,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 11:14:07,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 11:14:07,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:07,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,704 INFO L180 QuantifierPusher]: treesize reduction 14, result has 91.4 percent of original size [2021-10-24 11:14:07,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-10-24 11:14:07,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 11:14:07,709 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:167, output treesize:149 [2021-10-24 11:14:07,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:07,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:07,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:07,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-10-24 11:14:07,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-10-24 11:14:07,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,899 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-24 11:14:07,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-10-24 11:14:07,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-10-24 11:14:07,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-10-24 11:14:07,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-24 11:14:07,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-10-24 11:14:07,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-10-24 11:14:07,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-24 11:14:07,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-10-24 11:14:07,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-10-24 11:14:07,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-10-24 11:14:07,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-10-24 11:14:07,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:07,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:07,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-10-24 11:14:07,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-10-24 11:14:08,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:08,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-24 11:14:08,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 300 [2021-10-24 11:14:08,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:08,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:08,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-24 11:14:08,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-10-24 11:14:08,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:08,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:08,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:08,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:08,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-24 11:14:08,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:08,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-24 11:14:08,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:08,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:08,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-24 11:14:08,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-10-24 11:14:08,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-24 11:14:09,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-10-24 11:14:09,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-10-24 11:14:09,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-24 11:14:09,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-24 11:14:09,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-10-24 11:14:09,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-10-24 11:14:09,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-24 11:14:09,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-24 11:14:09,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:09,075 INFO L185 QuantifierPusher]: treesize reduction 9, result has 97.5 percent of original size 346 [2021-10-24 11:14:09,081 INFO L446 ElimStorePlain]: Different costs {2=[v_prenex_3], 6=[|v_#memory_int_16|]} [2021-10-24 11:14:09,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:09,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-10-24 11:14:09,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 11:14:09,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-10-24 11:14:09,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:09,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:09,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-10-24 11:14:09,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 11:14:09,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 11:14:09,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:09,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,175 INFO L180 QuantifierPusher]: treesize reduction 9, result has 97.4 percent of original size [2021-10-24 11:14:09,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-10-24 11:14:09,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-10-24 11:14:09,204 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2021-10-24 11:14:09,204 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:351, output treesize:334 [2021-10-24 11:14:09,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:09,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:09,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:09,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-24 11:14:09,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-10-24 11:14:09,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-24 11:14:09,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:09,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:09,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:09,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 11:14:09,284 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 11:14:09,284 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2021-10-24 11:14:09,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:09,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:09,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:09,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:09,320 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-24 11:14:09,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-24 11:14:09,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-24 11:14:09,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 25 [2021-10-24 11:14:09,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303496019] [2021-10-24 11:14:09,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-10-24 11:14:09,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:14:09,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-10-24 11:14:09,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=775, Unknown=0, NotChecked=0, Total=870 [2021-10-24 11:14:09,715 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 27 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:10,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:14:10,370 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2021-10-24 11:14:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 11:14:10,371 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-24 11:14:10,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:14:10,371 INFO L225 Difference]: With dead ends: 17 [2021-10-24 11:14:10,372 INFO L226 Difference]: Without dead ends: 17 [2021-10-24 11:14:10,373 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1522.4ms TimeCoverageRelationStatistics Valid=156, Invalid=1250, Unknown=0, NotChecked=0, Total=1406 [2021-10-24 11:14:10,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-24 11:14:10,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-24 11:14:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:10,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2021-10-24 11:14:10,376 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2021-10-24 11:14:10,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:14:10,377 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2021-10-24 11:14:10,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2021-10-24 11:14:10,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:14:10,378 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:14:10,378 INFO L512 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1] [2021-10-24 11:14:10,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:14:10,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-10-24 11:14:10,579 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2021-10-24 11:14:10,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:14:10,579 INFO L82 PathProgramCache]: Analyzing trace with hash -107348322, now seen corresponding path program 3 times [2021-10-24 11:14:10,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:14:10,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884535997] [2021-10-24 11:14:10,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:14:10,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:14:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:14:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:14:11,218 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:14:11,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884535997] [2021-10-24 11:14:11,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884535997] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 11:14:11,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638697234] [2021-10-24 11:14:11,219 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-24 11:14:11,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:14:11,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:14:11,220 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 11:14:11,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-24 11:14:11,312 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-24 11:14:11,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-24 11:14:11,314 WARN L261 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 65 conjunts are in the unsatisfiable core [2021-10-24 11:14:11,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:14:11,331 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 6 treesize of output 5 [2021-10-24 11:14:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:14:11,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:14:12,959 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:14:12,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638697234] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:14:12,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1845094759] [2021-10-24 11:14:12,964 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-10-24 11:14:12,964 INFO L166 IcfgInterpreter]: Building call graph [2021-10-24 11:14:12,964 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-24 11:14:12,965 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-24 11:14:12,965 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-24 11:14:12,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:12,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:12,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:12,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-24 11:14:12,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:12,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:12,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-24 11:14:12,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:12,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:12,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-10-24 11:14:12,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:12,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:12,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-10-24 11:14:12,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-10-24 11:14:13,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:13,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:13,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 1 [2021-10-24 11:14:13,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:13,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:13,023 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:13,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,035 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-24 11:14:13,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,051 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,103 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 6 treesize of output 5 [2021-10-24 11:14:13,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,111 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,120 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 6 treesize of output 5 [2021-10-24 11:14:13,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,123 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,132 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 6 treesize of output 5 [2021-10-24 11:14:13,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-10-24 11:14:13,134 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 268 [2021-10-24 11:14:13,161 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-10-24 11:14:13,162 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:361, output treesize:268 [2021-10-24 11:14:13,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 289 [2021-10-24 11:14:13,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-24 11:14:13,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-10-24 11:14:13,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-24 11:14:13,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,225 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-24 11:14:13,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,239 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-24 11:14:13,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,253 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-10-24 11:14:13,293 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-10-24 11:14:13,294 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:409, output treesize:397 [2021-10-24 11:14:13,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,311 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 415 [2021-10-24 11:14:13,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-24 11:14:13,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 451 [2021-10-24 11:14:13,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 426 [2021-10-24 11:14:13,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 427 [2021-10-24 11:14:13,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-10-24 11:14:13,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 460 [2021-10-24 11:14:13,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 478 [2021-10-24 11:14:13,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 517 [2021-10-24 11:14:13,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 490 [2021-10-24 11:14:13,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 491 [2021-10-24 11:14:13,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-24 11:14:13,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 535 [2021-10-24 11:14:13,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-10-24 11:14:13,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 545 [2021-10-24 11:14:13,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:13,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-10-24 11:14:13,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-24 11:14:13,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-24 11:14:13,702 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-24 11:14:13,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-10-24 11:14:13,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-24 11:14:13,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-24 11:14:13,761 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,804 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-24 11:14:13,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:13,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:13,806 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-24 11:14:13,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-10-24 11:14:13,841 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-10-24 11:14:13,842 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:538, output treesize:352 [2021-10-24 11:14:13,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:13,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-24 11:14:13,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-10-24 11:14:13,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-10-24 11:14:13,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-24 11:14:13,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,891 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-10-24 11:14:13,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-24 11:14:13,894 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2021-10-24 11:14:13,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-10-24 11:14:13,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-24 11:14:13,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-24 11:14:13,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:14:13,928 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-24 11:14:14,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-24 11:14:14,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-24 11:14:14,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 39 [2021-10-24 11:14:14,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363619386] [2021-10-24 11:14:14,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-10-24 11:14:14,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:14:14,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-10-24 11:14:14,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1735, Unknown=0, NotChecked=0, Total=1892 [2021-10-24 11:14:14,322 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 41 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:16,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:14:16,032 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2021-10-24 11:14:16,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-24 11:14:16,033 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 11:14:16,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:14:16,033 INFO L225 Difference]: With dead ends: 23 [2021-10-24 11:14:16,033 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:14:16,035 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 3203.3ms TimeCoverageRelationStatistics Valid=377, Invalid=3783, Unknown=0, NotChecked=0, Total=4160 [2021-10-24 11:14:16,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:14:16,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:14:16,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:14:16,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-24 11:14:16,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:14:16,035 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:14:16,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 1.2) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:14:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:14:16,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:14:16,038 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-24 11:14:16,038 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-24 11:14:16,038 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK [2021-10-24 11:14:16,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:14:16,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:14:16,254 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:14:16,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:14:16 BoogieIcfgContainer [2021-10-24 11:14:16,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:14:16,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:14:16,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:14:16,258 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:14:16,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:13:58" (3/4) ... [2021-10-24 11:14:16,261 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:14:16,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-24 11:14:16,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-24 11:14:16,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-24 11:14:16,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:14:16,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:14:16,306 INFO L168 Benchmark]: Toolchain (without parser) took 19375.52 ms. Allocated memory was 107.0 MB in the beginning and 243.3 MB in the end (delta: 136.3 MB). Free memory was 73.9 MB in the beginning and 165.0 MB in the end (delta: -91.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:14:16,306 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:14:16,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.21 ms. Allocated memory was 107.0 MB in the beginning and 134.2 MB in the end (delta: 27.3 MB). Free memory was 73.9 MB in the beginning and 102.0 MB in the end (delta: -28.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:14:16,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.20 ms. Allocated memory is still 134.2 MB. Free memory was 102.0 MB in the beginning and 99.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:14:16,307 INFO L168 Benchmark]: Boogie Preprocessor took 26.77 ms. Allocated memory is still 134.2 MB. Free memory was 99.9 MB in the beginning and 98.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:14:16,308 INFO L168 Benchmark]: RCFGBuilder took 566.26 ms. Allocated memory is still 134.2 MB. Free memory was 98.8 MB in the beginning and 85.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:14:16,308 INFO L168 Benchmark]: TraceAbstraction took 18125.74 ms. Allocated memory was 134.2 MB in the beginning and 243.3 MB in the end (delta: 109.1 MB). Free memory was 84.7 MB in the beginning and 168.6 MB in the end (delta: -83.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:14:16,308 INFO L168 Benchmark]: Witness Printer took 48.19 ms. Allocated memory is still 243.3 MB. Free memory was 168.2 MB in the beginning and 165.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:14:16,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 553.21 ms. Allocated memory was 107.0 MB in the beginning and 134.2 MB in the end (delta: 27.3 MB). Free memory was 73.9 MB in the beginning and 102.0 MB in the end (delta: -28.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.20 ms. Allocated memory is still 134.2 MB. Free memory was 102.0 MB in the beginning and 99.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.77 ms. Allocated memory is still 134.2 MB. Free memory was 99.9 MB in the beginning and 98.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 566.26 ms. Allocated memory is still 134.2 MB. Free memory was 98.8 MB in the beginning and 85.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18125.74 ms. Allocated memory was 134.2 MB in the beginning and 243.3 MB in the end (delta: 109.1 MB). Free memory was 84.7 MB in the beginning and 168.6 MB in the end (delta: -83.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * Witness Printer took 48.19 ms. Allocated memory is still 243.3 MB. Free memory was 168.2 MB in the beginning and 165.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 18043.2ms, OverallIterations: 7, TraceHistogramMax: 5, EmptinessCheckTime: 15.8ms, AutomataDifference: 2946.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 31 SDtfs, 22 SDslu, 43 SDs, 0 SdLazy, 565 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 560.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 7461.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=6, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 33.1ms AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 49.4ms SsaConstructionTime, 318.3ms SatisfiabilityAnalysisTime, 4927.2ms InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 1830 SizeOfPredicates, 36 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 5/105 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-24 11:14:16,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5372eb72-9185-45c2-8fbf-a23a23c11c39/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...