./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array4_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array4_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51462516d41bb1edc1c2003475b488124e11e4eb166822052c5d908cea262957 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:28:29,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:28:29,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:28:29,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:28:29,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:28:29,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:28:29,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:28:29,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:28:29,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:28:29,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:28:29,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:28:29,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:28:29,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:28:29,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:28:29,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:28:29,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:28:29,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:28:29,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:28:29,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:28:29,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:28:29,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:28:29,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:28:29,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:28:29,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:28:29,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:28:29,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:28:29,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:28:29,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:28:29,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:28:29,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:28:29,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:28:29,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:28:29,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:28:29,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:28:29,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:28:29,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:28:29,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:28:29,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:28:29,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:28:29,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:28:29,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:28:29,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 01:28:29,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:28:29,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:28:29,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:28:29,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:28:29,480 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:28:29,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:28:29,480 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:28:29,480 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:28:29,481 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:28:29,481 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:28:29,482 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:28:29,482 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:28:29,482 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:28:29,483 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:28:29,483 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:28:29,483 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:28:29,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:28:29,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:28:29,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:28:29,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:28:29,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:28:29,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:28:29,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:28:29,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:28:29,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:28:29,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:28:29,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:28:29,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:28:29,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:28:29,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:28:29,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:28:29,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:28:29,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:28:29,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:28:29,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:28:29,489 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:28:29,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:28:29,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:28:29,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:28:29,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:28:29,490 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_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51462516d41bb1edc1c2003475b488124e11e4eb166822052c5d908cea262957 [2021-11-13 01:28:29,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:28:29,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:28:29,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:28:29,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:28:29,818 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:28:29,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-patterns/array4_pattern.c [2021-11-13 01:28:29,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/data/4918d02c6/d9eceb114e774be6a4b64fbab05c8690/FLAG64e76b7dd [2021-11-13 01:28:30,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:28:30,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/sv-benchmarks/c/array-patterns/array4_pattern.c [2021-11-13 01:28:30,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/data/4918d02c6/d9eceb114e774be6a4b64fbab05c8690/FLAG64e76b7dd [2021-11-13 01:28:30,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/data/4918d02c6/d9eceb114e774be6a4b64fbab05c8690 [2021-11-13 01:28:30,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:28:30,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:28:30,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:28:30,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:28:30,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:28:30,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86e9ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30, skipping insertion in model container [2021-11-13 01:28:30,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:28:30,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:28:30,529 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/sv-benchmarks/c/array-patterns/array4_pattern.c[1835,1848] [2021-11-13 01:28:30,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:28:30,576 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:28:30,587 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/sv-benchmarks/c/array-patterns/array4_pattern.c[1835,1848] [2021-11-13 01:28:30,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:28:30,616 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:28:30,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30 WrapperNode [2021-11-13 01:28:30,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:28:30,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:28:30,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:28:30,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:28:30,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:28:30,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:28:30,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:28:30,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:28:30,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:28:30,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:28:30,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:28:30,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:28:30,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (1/1) ... [2021-11-13 01:28:30,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:28:30,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:28:30,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:28:30,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:28:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 01:28:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 01:28:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:28:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:28:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:28:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:28:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:28:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:28:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:28:31,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:28:31,126 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 01:28:31,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:31 BoogieIcfgContainer [2021-11-13 01:28:31,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:28:31,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:28:31,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:28:31,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:28:31,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:28:30" (1/3) ... [2021-11-13 01:28:31,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f209be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:31, skipping insertion in model container [2021-11-13 01:28:31,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:28:30" (2/3) ... [2021-11-13 01:28:31,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f209be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:28:31, skipping insertion in model container [2021-11-13 01:28:31,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:31" (3/3) ... [2021-11-13 01:28:31,137 INFO L111 eAbstractionObserver]: Analyzing ICFG array4_pattern.c [2021-11-13 01:28:31,143 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:28:31,143 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:28:31,224 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:28:31,243 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:28:31,245 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:28:31,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-13 01:28:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:28:31,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:28:31,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:28:31,291 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:28:31,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:28:31,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1119781689, now seen corresponding path program 1 times [2021-11-13 01:28:31,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:28:31,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708353933] [2021-11-13 01:28:31,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:31,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:28:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:28:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:28:31,564 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:28:31,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708353933] [2021-11-13 01:28:31,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708353933] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:28:31,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:28:31,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 01:28:31,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583403129] [2021-11-13 01:28:31,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:28:31,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:28:31,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:28:31,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:28:31,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:28:31,633 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 01:28:31,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:28:31,688 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-11-13 01:28:31,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:28:31,691 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-13 01:28:31,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:28:31,698 INFO L225 Difference]: With dead ends: 29 [2021-11-13 01:28:31,699 INFO L226 Difference]: Without dead ends: 20 [2021-11-13 01:28:31,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:28:31,709 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.82ms IncrementalHoareTripleChecker+Time [2021-11-13 01:28:31,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 8 Unknown, 0 Unchecked, 2.37ms Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 32.82ms Time] [2021-11-13 01:28:31,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-13 01:28:31,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-13 01:28:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-13 01:28:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-11-13 01:28:31,749 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 11 [2021-11-13 01:28:31,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:28:31,750 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-13 01:28:31,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 01:28:31,751 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-13 01:28:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 01:28:31,752 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:28:31,752 INFO L514 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:28:31,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:28:31,753 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:28:31,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:28:31,754 INFO L85 PathProgramCache]: Analyzing trace with hash -166120417, now seen corresponding path program 1 times [2021-11-13 01:28:31,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:28:31,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140539947] [2021-11-13 01:28:31,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:31,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:28:31,783 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:28:31,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [492021932] [2021-11-13 01:28:31,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:31,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:28:31,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:28:31,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:28:31,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 01:28:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:28:31,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:28:31,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:28:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 01:28:31,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:28:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 01:28:32,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:28:32,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140539947] [2021-11-13 01:28:32,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:28:32,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492021932] [2021-11-13 01:28:32,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492021932] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:28:32,141 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:28:32,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-13 01:28:32,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647725986] [2021-11-13 01:28:32,142 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:28:32,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:28:32,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:28:32,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:28:32,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:28:32,144 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:28:32,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:28:32,195 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-13 01:28:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:28:32,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 27 [2021-11-13 01:28:32,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:28:32,201 INFO L225 Difference]: With dead ends: 24 [2021-11-13 01:28:32,201 INFO L226 Difference]: Without dead ends: 21 [2021-11-13 01:28:32,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:28:32,206 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.28ms IncrementalHoareTripleChecker+Time [2021-11-13 01:28:32,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 45 Invalid, 19 Unknown, 0 Unchecked, 8.20ms Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 26.28ms Time] [2021-11-13 01:28:32,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-13 01:28:32,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-13 01:28:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-13 01:28:32,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2021-11-13 01:28:32,221 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 27 [2021-11-13 01:28:32,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:28:32,221 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-11-13 01:28:32,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:28:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2021-11-13 01:28:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 01:28:32,223 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:28:32,223 INFO L514 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:28:32,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:28:32,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-13 01:28:32,426 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:28:32,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:28:32,426 INFO L85 PathProgramCache]: Analyzing trace with hash -855080832, now seen corresponding path program 1 times [2021-11-13 01:28:32,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:28:32,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846342918] [2021-11-13 01:28:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:32,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:28:32,450 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:28:32,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059129952] [2021-11-13 01:28:32,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:32,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:28:32,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:28:32,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:28:32,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 01:28:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:28:32,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:28:32,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:28:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:28:32,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:28:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 01:28:32,731 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:28:32,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846342918] [2021-11-13 01:28:32,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:28:32,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059129952] [2021-11-13 01:28:32,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059129952] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:28:32,734 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:28:32,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-13 01:28:32,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043984521] [2021-11-13 01:28:32,735 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:28:32,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:28:32,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:28:32,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:28:32,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:28:32,738 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-13 01:28:32,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:28:32,843 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2021-11-13 01:28:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:28:32,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 28 [2021-11-13 01:28:32,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:28:32,846 INFO L225 Difference]: With dead ends: 39 [2021-11-13 01:28:32,847 INFO L226 Difference]: Without dead ends: 22 [2021-11-13 01:28:32,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:28:32,853 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.16ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.87ms IncrementalHoareTripleChecker+Time [2021-11-13 01:28:32,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 78 Invalid, 64 Unknown, 0 Unchecked, 3.16ms Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 67.87ms Time] [2021-11-13 01:28:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-13 01:28:32,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-11-13 01:28:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-13 01:28:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-11-13 01:28:32,865 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 28 [2021-11-13 01:28:32,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:28:32,865 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-13 01:28:32,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-13 01:28:32,866 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-11-13 01:28:32,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 01:28:32,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:28:32,867 INFO L514 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:28:32,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:28:33,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:28:33,093 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:28:33,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:28:33,094 INFO L85 PathProgramCache]: Analyzing trace with hash -70074783, now seen corresponding path program 1 times [2021-11-13 01:28:33,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:28:33,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467510148] [2021-11-13 01:28:33,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:33,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:28:33,120 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:28:33,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147127646] [2021-11-13 01:28:33,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:28:33,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:28:33,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:28:33,122 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:28:33,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 01:28:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:28:33,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-13 01:28:33,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:28:33,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 01:28:33,274 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 27 treesize of output 15 [2021-11-13 01:28:34,571 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-13 01:28:34,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 41 [2021-11-13 01:28:34,789 INFO L354 Elim1Store]: treesize reduction 76, result has 8.4 percent of original size [2021-11-13 01:28:34,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 36 [2021-11-13 01:28:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 01:28:34,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:28:51,406 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_15| Int) (|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_6| Int)) (or (<= c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_5|) (= (let ((.cse2 (* |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_7|))) (let ((.cse1 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_7| (store (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_7|) (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_7| (* |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_6| 4)) (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_7| .cse2))))) (let ((.cse0 (store (select .cse1 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_7|) (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_7| (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_5| 4)) .cse2))) (+ (select .cse0 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_7|) (select (select (store .cse1 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_7| .cse0) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_7|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_15|)))) 0) (< |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_5| 0) (exists ((|ULTIMATE.start_main_~index2~0#1| Int)) (and (< |ULTIMATE.start_main_~index2~0#1| c_~ARR_SIZE~0) (not (= (let ((.cse5 (* |v_ULTIMATE.start_main_~count~0#1_BEFORE_CALL_7| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_7|))) (let ((.cse4 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_7| (store (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_7|) (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_7| (* |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_6| 4)) (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_7| .cse5))))) (let ((.cse3 (store (select .cse4 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_7|) (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_7| (* |ULTIMATE.start_main_~index2~0#1| 4)) .cse5))) (+ (select .cse3 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_7|) (select (select (store .cse4 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_7| .cse3) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_7|) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_15|)))) 0)) (<= 0 |ULTIMATE.start_main_~index2~0#1|))))) (not (= |c_assume_abort_if_not_#in~cond| 1))) is different from true [2021-11-13 01:28:54,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:28:54,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467510148] [2021-11-13 01:28:54,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:28:54,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147127646] [2021-11-13 01:28:54,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|ULTIMATE.start_main_~index2~0#1|] [2021-11-13 01:28:54,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [744290726] [2021-11-13 01:28:54,818 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2021-11-13 01:28:54,818 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:28:54,821 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:28:54,825 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:28:54,826 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:28:54,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:54,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:28:54,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:54,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:28:54,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 01:28:54,894 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 21=[|v_#valid_27|]} [2021-11-13 01:28:54,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:28:54,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:28:54,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:28:54,908 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:54,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:54,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:54,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:28:54,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:28:54,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:28:54,954 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:54,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:54,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:28:54,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:28:54,971 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 01:28:54,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,982 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size 97 [2021-11-13 01:28:54,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:54,991 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size 97 [2021-11-13 01:28:54,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,109 INFO L180 QuantifierPusher]: treesize reduction 39, result has 84.5 percent of original size [2021-11-13 01:28:55,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:28:55,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:28:55,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-13 01:28:55,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 01:28:55,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:28:55,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-13 01:28:55,153 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_15|], 28=[|v_#valid_28|]} [2021-11-13 01:28:55,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:28:55,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:28:55,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:28:55,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:55,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,200 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 01:28:55,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 43 [2021-11-13 01:28:55,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:28:55,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:28:55,206 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:55,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,307 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-13 01:28:55,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 61 [2021-11-13 01:28:55,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:28:55,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:28:55,313 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:55,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-13 01:28:55,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:28:55,346 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:368, output treesize:182 [2021-11-13 01:28:55,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-13 01:28:55,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-13 01:28:55,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-13 01:28:55,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-13 01:28:55,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-13 01:28:55,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:55,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-13 01:28:55,423 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:28:55,424 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:209, output treesize:196 [2021-11-13 01:28:55,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:28:55,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-13 01:28:55,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 453 [2021-11-13 01:28:55,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 408 [2021-11-13 01:28:55,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 497 [2021-11-13 01:28:55,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2021-11-13 01:28:55,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:28:55,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:28:55,706 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:55,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:55,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-13 01:28:55,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:55,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:55,740 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:55,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,835 INFO L180 QuantifierPusher]: treesize reduction 138, result has 76.5 percent of original size [2021-11-13 01:28:55,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-13 01:28:55,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:28:55,843 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:623, output treesize:449 [2021-11-13 01:28:55,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:55,976 INFO L180 QuantifierPusher]: treesize reduction 48, result has 69.6 percent of original size [2021-11-13 01:28:55,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:55,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:55,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-13 01:28:55,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-13 01:28:55,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:28:55,999 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:28:56,000 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 1 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 01:28:56,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:28:56,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:28:56,002 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:56,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-13 01:28:56,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:28:56,008 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:109, output treesize:91 [2021-11-13 01:28:56,013 INFO L180 QuantifierPusher]: treesize reduction 49, result has 58.5 percent of original size [2021-11-13 01:28:56,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-13 01:28:56,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-13 01:28:56,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:28:56,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:28:56,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:28:56,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,050 INFO L185 QuantifierPusher]: treesize reduction 5, result has 94.0 percent of original size 79 [2021-11-13 01:28:56,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:28:56,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:28:56,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:28:56,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,077 INFO L185 QuantifierPusher]: treesize reduction 5, result has 94.0 percent of original size 79 [2021-11-13 01:28:56,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,178 INFO L180 QuantifierPusher]: treesize reduction 59, result has 63.8 percent of original size [2021-11-13 01:28:56,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:28:56,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:28:56,195 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.8 percent of original size 45 [2021-11-13 01:28:56,200 INFO L180 QuantifierPusher]: treesize reduction 59, result has 65.3 percent of original size [2021-11-13 01:28:56,203 INFO L185 QuantifierPusher]: treesize reduction 5, result has 94.1 percent of original size 80 [2021-11-13 01:28:56,209 INFO L180 QuantifierPusher]: treesize reduction 59, result has 63.8 percent of original size [2021-11-13 01:28:56,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:28:56,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:28:56,224 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.8 percent of original size 45 [2021-11-13 01:28:56,229 INFO L180 QuantifierPusher]: treesize reduction 59, result has 65.3 percent of original size [2021-11-13 01:28:56,233 INFO L185 QuantifierPusher]: treesize reduction 5, result has 94.1 percent of original size 80 [2021-11-13 01:28:56,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,293 INFO L180 QuantifierPusher]: treesize reduction 59, result has 64.7 percent of original size [2021-11-13 01:28:56,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:28:56,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:28:56,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:28:56,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:28:56,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-13 01:28:56,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 01:28:56,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:28:56,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:28:56,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-13 01:28:56,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:56,353 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size 76 [2021-11-13 01:28:56,364 INFO L180 QuantifierPusher]: treesize reduction 59, result has 66.1 percent of original size [2021-11-13 01:28:56,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 01:28:56,375 INFO L180 QuantifierPusher]: treesize reduction 59, result has 64.7 percent of original size [2021-11-13 01:28:56,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,379 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:28:56,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:28:56,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:28:56,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:28:56,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-13 01:28:56,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 01:28:56,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:28:56,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:28:56,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-13 01:28:56,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:56,423 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size 76 [2021-11-13 01:28:56,429 INFO L180 QuantifierPusher]: treesize reduction 59, result has 66.1 percent of original size [2021-11-13 01:28:56,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-13 01:28:56,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,487 INFO L180 QuantifierPusher]: treesize reduction 60, result has 63.9 percent of original size [2021-11-13 01:28:56,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-13 01:28:56,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:28:56,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:28:56,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:28:56,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:28:56,523 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-13 01:28:56,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 01:28:56,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:28:56,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:28:56,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-13 01:28:56,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:56,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-13 01:28:56,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:28:56,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-13 01:28:56,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-13 01:28:56,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:28:56,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:28:56,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:28:56,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:28:56,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 01:28:56,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:28:56,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:28:56,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,620 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-13 01:28:56,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-13 01:28:56,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:56,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:28:56,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-13 01:28:56,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,699 INFO L180 QuantifierPusher]: treesize reduction 62, result has 74.8 percent of original size [2021-11-13 01:28:56,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-13 01:28:56,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:28:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:28:56,745 INFO L354 Elim1Store]: treesize reduction 49, result has 37.2 percent of original size [2021-11-13 01:28:56,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 47 [2021-11-13 01:28:56,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:56,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:56,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:28:56,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-13 01:28:56,762 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:28:56,762 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:153, output treesize:128 [2021-11-13 01:28:56,772 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.1 percent of original size [2021-11-13 01:28:56,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-13 01:28:56,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,782 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.8 percent of original size 133 [2021-11-13 01:28:56,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-13 01:28:56,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:56,891 INFO L180 QuantifierPusher]: treesize reduction 48, result has 68.6 percent of original size [2021-11-13 01:28:56,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-13 01:28:56,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-13 01:28:56,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:28:56,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:28:56,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:28:56,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:28:56,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 01:28:56,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:28:56,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:28:56,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,940 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-13 01:28:56,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-13 01:28:56,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:56,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:28:56,953 INFO L180 QuantifierPusher]: treesize reduction 59, result has 64.7 percent of original size [2021-11-13 01:28:56,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,959 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:56,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 01:28:56,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:28:56,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:56,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:28:56,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:28:56,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:28:56,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:56,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 01:28:56,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,997 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:56,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:56,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:28:56,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:56,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:28:57,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:28:57,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-13 01:28:57,003 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:28:57,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:28:57,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-13 01:28:57,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-13 01:28:57,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:28:57,018 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.2 percent of original size 76 [2021-11-13 01:28:57,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,026 INFO L180 QuantifierPusher]: treesize reduction 59, result has 63.8 percent of original size [2021-11-13 01:28:57,031 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:28:57,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:28:57,038 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.8 percent of original size 45 [2021-11-13 01:28:57,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:28:57,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:28:57,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:28:57,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:28:57,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:28:57,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:28:57,116 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2021-11-13 01:28:57,118 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:29:12,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:29:12,162 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:12,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-13 01:29:12,162 ERROR L172 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2021-11-13 01:29:12,162 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-13 01:29:12,168 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 01:29:12,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:12,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:29:12,384 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-13 01:29:12,385 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:29:12,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:29:12 BoogieIcfgContainer [2021-11-13 01:29:12,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:29:12,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:29:12,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:29:12,400 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:29:12,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:28:31" (3/4) ... [2021-11-13 01:29:12,403 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 01:29:12,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:29:12,404 INFO L158 Benchmark]: Toolchain (without parser) took 42055.72ms. Allocated memory was 94.4MB in the beginning and 142.6MB in the end (delta: 48.2MB). Free memory was 56.0MB in the beginning and 110.4MB in the end (delta: -54.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:29:12,404 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:29:12,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.91ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 71.9MB in the end (delta: -16.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-11-13 01:29:12,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.81ms. Allocated memory is still 94.4MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:29:12,405 INFO L158 Benchmark]: Boogie Preprocessor took 24.04ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 69.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:29:12,405 INFO L158 Benchmark]: RCFGBuilder took 439.87ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 56.0MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 01:29:12,405 INFO L158 Benchmark]: TraceAbstraction took 41268.49ms. Allocated memory was 94.4MB in the beginning and 142.6MB in the end (delta: 48.2MB). Free memory was 55.5MB in the beginning and 110.4MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:29:12,405 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 142.6MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:29:12,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.91ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 71.9MB in the end (delta: -16.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.81ms. Allocated memory is still 94.4MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.04ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 69.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.87ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 56.0MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 41268.49ms. Allocated memory was 94.4MB in the beginning and 142.6MB in the end (delta: 48.2MB). Free memory was 55.5MB in the beginning and 110.4MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 142.6MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 40]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L44] signed long long ARR_SIZE ; [L48] ARR_SIZE = __VERIFIER_nondet_short() [L49] CALL assume_abort_if_not(ARR_SIZE > 0) [L38] COND FALSE !(!cond) [L49] RET assume_abort_if_not(ARR_SIZE > 0) [L51] int array1[ARR_SIZE] ; [L52] int array2[ARR_SIZE] ; [L53] int count = 0, num = -1 ; [L54] signed long long sum = 0 ; [L55] int temp ; [L56] short index1,index2 ; [L58] count=0 [L58] COND TRUE count=0 && index1 < ARR_SIZE) [L38] COND FALSE !(!cond) [L71] RET assume_abort_if_not(index1>=0 && index1 < ARR_SIZE) [L72] CALL assume_abort_if_not(index2>=0 && index2 < ARR_SIZE) [L38] COND FALSE !(!cond) [L72] RET assume_abort_if_not(index2>=0 && index2 < ARR_SIZE) [L73] EXPR array1[index1] [L73] CALL assume_abort_if_not(array1[index1] == 0) [L38] COND FALSE !(!cond) [L73] RET assume_abort_if_not(array1[index1] == 0) [L74] EXPR array2[index2] [L74] CALL assume_abort_if_not(array2[index2] == 0) [L38] COND FALSE !(!cond) [L74] RET assume_abort_if_not(array2[index2] == 0) [L76] array1[index1] = num * (num * count) [L77] array2[index2] = num * count [L78] COND TRUE count == 200 [L79] count = 0 [L80] count++ [L82] temp = __VERIFIER_nondet_int() [L83] COND TRUE temp == 0 [L86] count=0 [L86] COND TRUE count main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51462516d41bb1edc1c2003475b488124e11e4eb166822052c5d908cea262957 [2021-11-13 01:29:15,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:29:15,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:29:15,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:29:15,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:29:15,443 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:29:15,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-patterns/array4_pattern.c [2021-11-13 01:29:15,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/data/7f1e06885/9291f2c6beb5473fb202a2ef532696e4/FLAG436132268 [2021-11-13 01:29:15,966 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:29:15,966 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/sv-benchmarks/c/array-patterns/array4_pattern.c [2021-11-13 01:29:15,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/data/7f1e06885/9291f2c6beb5473fb202a2ef532696e4/FLAG436132268 [2021-11-13 01:29:16,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/data/7f1e06885/9291f2c6beb5473fb202a2ef532696e4 [2021-11-13 01:29:16,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:29:16,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:29:16,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:29:16,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:29:16,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:29:16,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f42c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16, skipping insertion in model container [2021-11-13 01:29:16,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:29:16,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:29:16,572 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/sv-benchmarks/c/array-patterns/array4_pattern.c[1835,1848] [2021-11-13 01:29:16,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:29:16,602 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:29:16,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/sv-benchmarks/c/array-patterns/array4_pattern.c[1835,1848] [2021-11-13 01:29:16,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:29:16,699 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:29:16,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16 WrapperNode [2021-11-13 01:29:16,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:29:16,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:29:16,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:29:16,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:29:16,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:29:16,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:29:16,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:29:16,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:29:16,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:29:16,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:29:16,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:29:16,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:29:16,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (1/1) ... [2021-11-13 01:29:16,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:29:16,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:29:16,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:29:16,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:29:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 01:29:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 01:29:16,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 01:29:16,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:29:16,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 01:29:16,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:29:16,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:29:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:29:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 01:29:17,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:29:17,350 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 01:29:17,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:29:17 BoogieIcfgContainer [2021-11-13 01:29:17,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:29:17,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:29:17,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:29:17,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:29:17,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:29:16" (1/3) ... [2021-11-13 01:29:17,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50068856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:29:17, skipping insertion in model container [2021-11-13 01:29:17,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:16" (2/3) ... [2021-11-13 01:29:17,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50068856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:29:17, skipping insertion in model container [2021-11-13 01:29:17,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:29:17" (3/3) ... [2021-11-13 01:29:17,367 INFO L111 eAbstractionObserver]: Analyzing ICFG array4_pattern.c [2021-11-13 01:29:17,373 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:29:17,373 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:29:17,430 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:29:17,439 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:29:17,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:29:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-13 01:29:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 01:29:17,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:17,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:17,469 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:29:17,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:17,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1359011546, now seen corresponding path program 1 times [2021-11-13 01:29:17,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:17,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780755098] [2021-11-13 01:29:17,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:17,488 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:17,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:17,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:17,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:29:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:17,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 01:29:17,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:17,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:29:17,742 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:17,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780755098] [2021-11-13 01:29:17,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780755098] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:17,743 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:17,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 01:29:17,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371145049] [2021-11-13 01:29:17,746 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:17,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:29:17,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:17,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:29:17,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:29:17,783 INFO L87 Difference]: Start difference. First operand has 33 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 01:29:17,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:17,816 INFO L93 Difference]: Finished difference Result 63 states and 93 transitions. [2021-11-13 01:29:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:29:17,818 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-13 01:29:17,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:17,825 INFO L225 Difference]: With dead ends: 63 [2021-11-13 01:29:17,826 INFO L226 Difference]: Without dead ends: 29 [2021-11-13 01:29:17,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:29:17,833 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.00ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:17,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.00ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 01:29:17,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-13 01:29:17,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-13 01:29:17,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-13 01:29:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-11-13 01:29:17,880 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 16 [2021-11-13 01:29:17,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:17,880 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-11-13 01:29:17,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 01:29:17,881 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-11-13 01:29:17,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 01:29:17,882 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:17,882 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:17,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:18,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:18,083 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:29:18,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:18,086 INFO L85 PathProgramCache]: Analyzing trace with hash -852430543, now seen corresponding path program 1 times [2021-11-13 01:29:18,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:18,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048721063] [2021-11-13 01:29:18,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:18,092 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:18,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:18,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 01:29:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:18,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:29:18,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:29:18,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:29:18,444 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:18,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048721063] [2021-11-13 01:29:18,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048721063] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:18,445 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:18,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 01:29:18,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843926725] [2021-11-13 01:29:18,446 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:18,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:29:18,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:18,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:29:18,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:29:18,449 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-13 01:29:18,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:18,637 INFO L93 Difference]: Finished difference Result 81 states and 105 transitions. [2021-11-13 01:29:18,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:29:18,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 42 [2021-11-13 01:29:18,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:18,640 INFO L225 Difference]: With dead ends: 81 [2021-11-13 01:29:18,640 INFO L226 Difference]: Without dead ends: 59 [2021-11-13 01:29:18,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:29:18,642 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 137.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.41ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 162.26ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:18,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 65 Invalid, 38 Unknown, 0 Unchecked, 2.41ms Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 162.26ms Time] [2021-11-13 01:29:18,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-11-13 01:29:18,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 49. [2021-11-13 01:29:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-13 01:29:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2021-11-13 01:29:18,657 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 42 [2021-11-13 01:29:18,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:18,658 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2021-11-13 01:29:18,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-13 01:29:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2021-11-13 01:29:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 01:29:18,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:18,677 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:18,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:18,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:18,889 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:29:18,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:18,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1661777169, now seen corresponding path program 1 times [2021-11-13 01:29:18,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:18,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628600515] [2021-11-13 01:29:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:18,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:18,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:18,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:18,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 01:29:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:18,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:29:18,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:29:19,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 01:29:19,334 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:19,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628600515] [2021-11-13 01:29:19,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628600515] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:29:19,335 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:29:19,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-13 01:29:19,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438188417] [2021-11-13 01:29:19,335 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:19,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:29:19,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:19,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:29:19,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:29:19,337 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:29:19,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:19,385 INFO L93 Difference]: Finished difference Result 54 states and 70 transitions. [2021-11-13 01:29:19,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:29:19,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2021-11-13 01:29:19,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:19,388 INFO L225 Difference]: With dead ends: 54 [2021-11-13 01:29:19,388 INFO L226 Difference]: Without dead ends: 50 [2021-11-13 01:29:19,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:29:19,390 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 5 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.93ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:19,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 81 Invalid, 8 Unknown, 0 Unchecked, 1.65ms Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 29.93ms Time] [2021-11-13 01:29:19,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-13 01:29:19,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-13 01:29:19,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-13 01:29:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2021-11-13 01:29:19,418 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 42 [2021-11-13 01:29:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:19,419 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2021-11-13 01:29:19,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:29:19,420 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2021-11-13 01:29:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 01:29:19,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:19,424 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:19,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:19,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:19,633 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:29:19,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:19,634 INFO L85 PathProgramCache]: Analyzing trace with hash 813208561, now seen corresponding path program 1 times [2021-11-13 01:29:19,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:19,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077804074] [2021-11-13 01:29:19,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:19,638 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:19,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:19,653 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:19,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 01:29:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:19,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 01:29:19,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:20,116 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 01:29:20,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-13 01:29:20,435 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:29:20,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077804074] [2021-11-13 01:29:20,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077804074] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:29:20,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:29:20,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-11-13 01:29:20,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957152654] [2021-11-13 01:29:20,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:29:20,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 01:29:20,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:29:20,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 01:29:20,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:29:20,438 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:29:20,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:29:20,454 INFO L93 Difference]: Finished difference Result 99 states and 129 transitions. [2021-11-13 01:29:20,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:29:20,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2021-11-13 01:29:20,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:29:20,456 INFO L225 Difference]: With dead ends: 99 [2021-11-13 01:29:20,456 INFO L226 Difference]: Without dead ends: 55 [2021-11-13 01:29:20,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-11-13 01:29:20,459 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 2 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.24ms IncrementalHoareTripleChecker+Time [2021-11-13 01:29:20,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 82 Invalid, 24 Unknown, 0 Unchecked, 1.68ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 24 Unchecked, 0.24ms Time] [2021-11-13 01:29:20,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-13 01:29:20,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-13 01:29:20,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-13 01:29:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 70 transitions. [2021-11-13 01:29:20,471 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 70 transitions. Word has length 44 [2021-11-13 01:29:20,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:29:20,472 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 70 transitions. [2021-11-13 01:29:20,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 01:29:20,472 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2021-11-13 01:29:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 01:29:20,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:29:20,474 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:29:20,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:29:20,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:29:20,686 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:29:20,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:29:20,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1843316237, now seen corresponding path program 1 times [2021-11-13 01:29:20,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:29:20,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532274648] [2021-11-13 01:29:20,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:29:20,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:29:20,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:29:20,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:29:20,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51674ab-bd58-4397-a50d-231c496d4dd2/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 01:29:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:29:20,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 01:29:20,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:29:21,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2021-11-13 01:29:22,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2021-11-13 01:29:22,978 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:29:22,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 46 [2021-11-13 01:29:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 01:29:23,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:29:24,626 INFO L354 Elim1Store]: treesize reduction 24, result has 57.9 percent of original size [2021-11-13 01:29:24,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 532 treesize of output 420 [2021-11-13 01:29:24,746 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:24,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 420 treesize of output 408 [2021-11-13 01:29:25,362 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:25,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2021-11-13 01:29:25,927 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:29:25,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 605 treesize of output 614