./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/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 fe9b6b14bb3e253c1adf093226729b0222b0c43a1d6f2b7ff02fe6a17dc9f4e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:39:20,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:39:20,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:39:20,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:39:20,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:39:20,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:39:20,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:39:20,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:39:20,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:39:20,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:39:20,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:39:20,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:39:20,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:39:20,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:39:20,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:39:20,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:39:20,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:39:20,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:39:20,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:39:20,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:39:20,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:39:20,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:39:20,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:39:20,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:39:20,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:39:20,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:39:20,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:39:20,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:39:20,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:39:20,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:39:20,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:39:20,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:39:20,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:39:20,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:39:20,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:39:20,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:39:20,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:39:20,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:39:20,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:39:20,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:39:20,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:39:20,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 02:39:20,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:39:20,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:39:20,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:39:20,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:39:20,450 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:39:20,451 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:39:20,451 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:39:20,451 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:39:20,452 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:39:20,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:39:20,453 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:39:20,454 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:39:20,454 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:39:20,454 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:39:20,455 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:39:20,455 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:39:20,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:39:20,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:39:20,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:39:20,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:39:20,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:39:20,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:39:20,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:39:20,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:39:20,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:39:20,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:39:20,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:39:20,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:39:20,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:39:20,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:39:20,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:39:20,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:39:20,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:39:20,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:39:20,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:39:20,461 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:39:20,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:39:20,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:39:20,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:39:20,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:39:20,463 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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe9b6b14bb3e253c1adf093226729b0222b0c43a1d6f2b7ff02fe6a17dc9f4e0 [2021-11-13 02:39:20,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:39:20,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:39:20,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:39:20,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:39:20,869 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:39:20,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2021-11-13 02:39:20,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/data/15ff636ff/14c27c6c794445c3bcacb026b41d2eeb/FLAG6911af338 [2021-11-13 02:39:21,618 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:39:21,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2021-11-13 02:39:21,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/data/15ff636ff/14c27c6c794445c3bcacb026b41d2eeb/FLAG6911af338 [2021-11-13 02:39:21,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/data/15ff636ff/14c27c6c794445c3bcacb026b41d2eeb [2021-11-13 02:39:21,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:39:21,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:39:21,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:39:21,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:39:21,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:39:21,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:39:21" (1/1) ... [2021-11-13 02:39:21,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aee99d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:21, skipping insertion in model container [2021-11-13 02:39:21,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:39:21" (1/1) ... [2021-11-13 02:39:21,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:39:21,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:39:22,250 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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1126,1139] [2021-11-13 02:39:22,271 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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1880,1893] [2021-11-13 02:39:22,277 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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2415,2428] [2021-11-13 02:39:22,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:39:22,292 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:39:22,313 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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1126,1139] [2021-11-13 02:39:22,319 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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1880,1893] [2021-11-13 02:39:22,322 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_cd6907b2-1db5-4ff4-88a6-87150f5064e5/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2415,2428] [2021-11-13 02:39:22,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:39:22,343 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:39:22,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22 WrapperNode [2021-11-13 02:39:22,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:39:22,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:39:22,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:39:22,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:39:22,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:39:22,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:39:22,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:39:22,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:39:22,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:39:22,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:39:22,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:39:22,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:39:22,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (1/1) ... [2021-11-13 02:39:22,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:39:22,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:39:22,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:39:22,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:39:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:39:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:39:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:39:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:39:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 02:39:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:39:23,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:39:23,037 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:39:23,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:23 BoogieIcfgContainer [2021-11-13 02:39:23,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:39:23,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:39:23,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:39:23,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:39:23,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:39:21" (1/3) ... [2021-11-13 02:39:23,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a668f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:39:23, skipping insertion in model container [2021-11-13 02:39:23,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:39:22" (2/3) ... [2021-11-13 02:39:23,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a668f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:39:23, skipping insertion in model container [2021-11-13 02:39:23,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:23" (3/3) ... [2021-11-13 02:39:23,063 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2021-11-13 02:39:23,070 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:39:23,070 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-13 02:39:23,155 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:39:23,164 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 02:39:23,165 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 02:39:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 25 states have (on average 1.68) internal successors, (42), 28 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:23,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 02:39:23,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:23,200 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:23,203 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:39:23,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:23,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1546650789, now seen corresponding path program 1 times [2021-11-13 02:39:23,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:39:23,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940052747] [2021-11-13 02:39:23,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:23,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:39:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:23,592 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 02:39:23,593 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:39:23,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940052747] [2021-11-13 02:39:23,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940052747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:23,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:23,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:39:23,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518944800] [2021-11-13 02:39:23,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:23,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:39:23,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:39:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:39:23,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:39:23,662 INFO L87 Difference]: Start difference. First operand has 29 states, 25 states have (on average 1.68) internal successors, (42), 28 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:23,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:23,742 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2021-11-13 02:39:23,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:39:23,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-13 02:39:23,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:23,757 INFO L225 Difference]: With dead ends: 42 [2021-11-13 02:39:23,757 INFO L226 Difference]: Without dead ends: 28 [2021-11-13 02:39:23,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:39:23,768 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.86ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.83ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:23,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 55 Invalid, 7 Unknown, 0 Unchecked, 1.86ms Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 49.83ms Time] [2021-11-13 02:39:23,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-13 02:39:23,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 26. [2021-11-13 02:39:23,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:23,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-11-13 02:39:23,822 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 8 [2021-11-13 02:39:23,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:23,823 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-11-13 02:39:23,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-13 02:39:23,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:39:23,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:23,826 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:23,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:39:23,828 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:39:23,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:23,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1412593997, now seen corresponding path program 1 times [2021-11-13 02:39:23,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:39:23,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417657242] [2021-11-13 02:39:23,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:23,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:39:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:23,915 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 02:39:23,916 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:39:23,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417657242] [2021-11-13 02:39:23,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417657242] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:23,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:23,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 02:39:23,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81715537] [2021-11-13 02:39:23,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:23,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:39:23,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:39:23,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:39:23,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:39:23,922 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:23,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:23,970 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2021-11-13 02:39:23,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:39:23,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-13 02:39:23,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:23,973 INFO L225 Difference]: With dead ends: 53 [2021-11-13 02:39:23,973 INFO L226 Difference]: Without dead ends: 33 [2021-11-13 02:39:23,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:39:23,976 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 16 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.38ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.97ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:23,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 34 Invalid, 14 Unknown, 0 Unchecked, 1.38ms Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 32.97ms Time] [2021-11-13 02:39:23,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-13 02:39:23,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 26. [2021-11-13 02:39:23,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2021-11-13 02:39:23,986 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 9 [2021-11-13 02:39:23,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:23,988 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-11-13 02:39:23,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:23,990 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-13 02:39:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 02:39:23,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:23,992 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:23,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 02:39:23,997 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:39:23,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:23,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1344104488, now seen corresponding path program 1 times [2021-11-13 02:39:23,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:39:23,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309386165] [2021-11-13 02:39:23,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:23,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:39:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:24,090 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 02:39:24,090 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:39:24,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309386165] [2021-11-13 02:39:24,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309386165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:24,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:24,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 02:39:24,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283311109] [2021-11-13 02:39:24,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:24,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:39:24,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:39:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:39:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:24,102 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:24,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:24,169 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2021-11-13 02:39:24,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:39:24,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-13 02:39:24,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:24,173 INFO L225 Difference]: With dead ends: 46 [2021-11-13 02:39:24,174 INFO L226 Difference]: Without dead ends: 44 [2021-11-13 02:39:24,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 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 02:39:24,181 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 22 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.88ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:24,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 76 Invalid, 13 Unknown, 0 Unchecked, 1.99ms Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 40.88ms Time] [2021-11-13 02:39:24,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-13 02:39:24,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 28. [2021-11-13 02:39:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.28) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2021-11-13 02:39:24,190 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 9 [2021-11-13 02:39:24,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:24,191 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-11-13 02:39:24,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-13 02:39:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 02:39:24,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:24,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:24,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 02:39:24,193 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:39:24,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:24,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1220471443, now seen corresponding path program 1 times [2021-11-13 02:39:24,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:39:24,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535194265] [2021-11-13 02:39:24,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:24,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:39:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:24,272 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 02:39:24,272 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:39:24,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535194265] [2021-11-13 02:39:24,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535194265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:24,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:24,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 02:39:24,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537016113] [2021-11-13 02:39:24,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:24,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:39:24,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:39:24,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:39:24,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:39:24,276 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:24,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:24,336 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2021-11-13 02:39:24,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:39:24,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-13 02:39:24,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:24,338 INFO L225 Difference]: With dead ends: 49 [2021-11-13 02:39:24,338 INFO L226 Difference]: Without dead ends: 29 [2021-11-13 02:39:24,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:39:24,341 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.97ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.72ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:24,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 31 Invalid, 15 Unknown, 0 Unchecked, 0.97ms Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 52.72ms Time] [2021-11-13 02:39:24,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-13 02:39:24,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2021-11-13 02:39:24,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-11-13 02:39:24,348 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 10 [2021-11-13 02:39:24,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:24,348 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-11-13 02:39:24,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-11-13 02:39:24,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 02:39:24,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:24,349 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:24,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 02:39:24,353 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:39:24,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:24,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1299008504, now seen corresponding path program 1 times [2021-11-13 02:39:24,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:39:24,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721846779] [2021-11-13 02:39:24,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:24,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:39:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:25,797 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 02:39:25,798 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:39:25,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721846779] [2021-11-13 02:39:25,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721846779] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:25,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:25,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 02:39:25,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075931089] [2021-11-13 02:39:25,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:25,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:39:25,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:39:25,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:39:25,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:39:25,801 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:26,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:26,033 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2021-11-13 02:39:26,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 02:39:26,034 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-13 02:39:26,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:26,035 INFO L225 Difference]: With dead ends: 39 [2021-11-13 02:39:26,035 INFO L226 Difference]: Without dead ends: 24 [2021-11-13 02:39:26,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-13 02:39:26,038 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 37 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 113.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.75ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.03ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:26,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 38 Invalid, 60 Unknown, 0 Unchecked, 2.75ms Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 130.03ms Time] [2021-11-13 02:39:26,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-13 02:39:26,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-13 02:39:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2021-11-13 02:39:26,046 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 15 [2021-11-13 02:39:26,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:26,047 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2021-11-13 02:39:26,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-11-13 02:39:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 02:39:26,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:26,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:26,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 02:39:26,049 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:39:26,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:26,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1999003900, now seen corresponding path program 1 times [2021-11-13 02:39:26,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:39:26,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964611100] [2021-11-13 02:39:26,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:26,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:39:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:26,116 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 02:39:26,117 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:39:26,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964611100] [2021-11-13 02:39:26,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964611100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:26,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:26,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 02:39:26,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70192770] [2021-11-13 02:39:26,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:26,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:39:26,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:39:26,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:39:26,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:39:26,120 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:26,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:26,194 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2021-11-13 02:39:26,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 02:39:26,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-13 02:39:26,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:26,196 INFO L225 Difference]: With dead ends: 37 [2021-11-13 02:39:26,197 INFO L226 Difference]: Without dead ends: 35 [2021-11-13 02:39:26,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-13 02:39:26,199 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 39 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.63ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.45ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:26,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 86 Invalid, 22 Unknown, 0 Unchecked, 1.63ms Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 29.45ms Time] [2021-11-13 02:39:26,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-13 02:39:26,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2021-11-13 02:39:26,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-11-13 02:39:26,207 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 16 [2021-11-13 02:39:26,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:26,208 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-11-13 02:39:26,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:26,208 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-11-13 02:39:26,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 02:39:26,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:26,209 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:26,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 02:39:26,210 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:39:26,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:26,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1488428289, now seen corresponding path program 1 times [2021-11-13 02:39:26,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:39:26,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501176063] [2021-11-13 02:39:26,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:26,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:39:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:39:26,479 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:39:26,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501176063] [2021-11-13 02:39:26,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501176063] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:39:26,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268938976] [2021-11-13 02:39:26,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:26,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:39:26,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:39:26,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:39:26,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 02:39:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:26,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 02:39:26,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:39:27,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:39:27,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268938976] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:39:27,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [855803827] [2021-11-13 02:39:27,289 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-13 02:39:27,290 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:39:27,296 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:39:27,304 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:39:27,304 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:39:27,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:39:27,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-13 02:39:27,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:39:27,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:39:27,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-13 02:39:27,415 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_28|]} [2021-11-13 02:39:27,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-13 02:39:27,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:39:27,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:39:27,463 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:39:27,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:27,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:27,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 39 treesize of output 38 [2021-11-13 02:39:27,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 02:39:27,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 02:39:27,583 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:39:27,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:27,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-13 02:39:27,620 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:39:27,620 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:161, output treesize:123 [2021-11-13 02:39:27,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-13 02:39:27,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-13 02:39:27,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-13 02:39:27,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:39:27,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-13 02:39:27,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-13 02:39:27,873 INFO L180 QuantifierPusher]: treesize reduction 8, result has 98.9 percent of original size [2021-11-13 02:39:27,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 717 [2021-11-13 02:39:27,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:27,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 858 [2021-11-13 02:39:28,111 INFO L180 QuantifierPusher]: treesize reduction 8, result has 99.4 percent of original size [2021-11-13 02:39:28,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1501 [2021-11-13 02:39:28,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:28,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:29,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:29,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:29,051 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 02:39:35,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [855803827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:35,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:39:35,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6, 4, 4] total 21 [2021-11-13 02:39:35,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906458925] [2021-11-13 02:39:35,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:35,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 02:39:35,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:39:35,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 02:39:35,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2021-11-13 02:39:35,805 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:36,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:36,169 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2021-11-13 02:39:36,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 02:39:36,172 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-13 02:39:36,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:36,173 INFO L225 Difference]: With dead ends: 36 [2021-11-13 02:39:36,173 INFO L226 Difference]: Without dead ends: 29 [2021-11-13 02:39:36,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2021-11-13 02:39:36,175 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 27 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 306.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.71ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 348.93ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:36,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 30 Invalid, 108 Unknown, 0 Unchecked, 1.71ms Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 348.93ms Time] [2021-11-13 02:39:36,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-13 02:39:36,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2021-11-13 02:39:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-11-13 02:39:36,184 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 17 [2021-11-13 02:39:36,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:36,184 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-11-13 02:39:36,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-11-13 02:39:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 02:39:36,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:36,186 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:36,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-13 02:39:36,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-13 02:39:36,403 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:39:36,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:36,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1177646914, now seen corresponding path program 1 times [2021-11-13 02:39:36,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:39:36,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361529707] [2021-11-13 02:39:36,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:36,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:39:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:36,981 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:39:36,981 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:39:36,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361529707] [2021-11-13 02:39:36,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361529707] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:39:36,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415307423] [2021-11-13 02:39:36,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:36,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:39:36,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:39:36,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:39:37,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 02:39:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:37,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 02:39:37,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:39:37,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:39:37,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415307423] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:39:37,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [48132028] [2021-11-13 02:39:37,566 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2021-11-13 02:39:37,567 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:39:37,567 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:39:37,568 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:39:37,568 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:39:37,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:39:37,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:39:37,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:39:37,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-13 02:39:37,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-13 02:39:37,597 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_29|]} [2021-11-13 02:39:37,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-13 02:39:37,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:39:37,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:39:37,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:39:37,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:37,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:39:37,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 39 treesize of output 38 [2021-11-13 02:39:37,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 02:39:37,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 02:39:37,672 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:39:37,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:37,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-13 02:39:37,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:39:37,686 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:161, output treesize:123 [2021-11-13 02:39:37,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-13 02:39:37,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-13 02:39:37,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-13 02:39:37,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:39:37,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-13 02:39:37,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-13 02:39:37,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 399 [2021-11-13 02:39:37,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 481 [2021-11-13 02:39:37,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:39:37,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:37,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-13 02:39:37,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 569 [2021-11-13 02:39:38,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:38,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 399 [2021-11-13 02:39:38,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:38,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 481 [2021-11-13 02:39:38,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,353 INFO L180 QuantifierPusher]: treesize reduction 8, result has 98.9 percent of original size [2021-11-13 02:39:38,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 709 [2021-11-13 02:39:38,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:39:38,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 858 [2021-11-13 02:39:38,496 INFO L180 QuantifierPusher]: treesize reduction 8, result has 99.2 percent of original size [2021-11-13 02:39:38,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 983 [2021-11-13 02:39:38,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:39:38,898 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 02:39:48,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [48132028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:48,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:39:48,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [11, 4, 4] total 28 [2021-11-13 02:39:48,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093239111] [2021-11-13 02:39:48,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:48,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-13 02:39:48,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:39:48,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-13 02:39:48,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2021-11-13 02:39:48,052 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:48,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:48,510 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2021-11-13 02:39:48,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 02:39:48,511 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-13 02:39:48,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:48,511 INFO L225 Difference]: With dead ends: 25 [2021-11-13 02:39:48,512 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 02:39:48,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2021-11-13 02:39:48,514 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 24 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 385.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.43ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 430.12ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:48,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 7 Invalid, 113 Unknown, 0 Unchecked, 1.43ms Time], IncrementalHoareTripleChecker [8 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 430.12ms Time] [2021-11-13 02:39:48,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 02:39:48,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 02:39:48,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 02:39:48,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-13 02:39:48,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:48,516 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 02:39:48,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:39:48,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 02:39:48,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 02:39:48,520 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-13 02:39:48,521 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-13 02:39:48,521 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-13 02:39:48,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:48,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:39:48,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 02:39:55,206 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 147) no Hoare annotation was computed. [2021-11-13 02:39:55,206 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 93) no Hoare annotation was computed. [2021-11-13 02:39:55,206 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2021-11-13 02:39:55,207 INFO L854 garLoopResultBuilder]: At program point L151(lines 29 152) the Hoare annotation is: false [2021-11-13 02:39:55,207 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-13 02:39:55,207 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-13 02:39:55,207 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 139) no Hoare annotation was computed. [2021-11-13 02:39:55,207 INFO L861 garLoopResultBuilder]: At program point L131(lines 98 132) the Hoare annotation is: true [2021-11-13 02:39:55,207 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 02:39:55,208 INFO L854 garLoopResultBuilder]: At program point L156(lines 26 157) the Hoare annotation is: (or (= |ULTIMATE.start_main_~main__loop_entered~0#1| 0) (let ((.cse2 (+ |ULTIMATE.start_main_~main__index2~0#1| 1))) (let ((.cse0 (mod |ULTIMATE.start_main_~main____CPAchecker_TMP_1~0#1| 4294967296)) (.cse1 (mod .cse2 4294967296)) (.cse4 (select |#memory_int| |#t~string4.base|))) (and (< |#StackHeapBarrier| |#t~string6.base|) (< .cse0 .cse1) (= |ULTIMATE.start_main_~__tmp_1~0#1| 1) (= ~__tmp_155_0~0 |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1|) (< .cse1 100000) (< |#StackHeapBarrier| |#t~string5.base|) (= ~__tmp_155_0~0 1) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (= |ULTIMATE.start_main_~main__loop_entered~0#1| 1) (= |#t~string5.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#main__array~0#1.base|) (= (select |#valid| |#t~string6.base|) 1) (= ~__return_136~0 0) (= (+ |ULTIMATE.start_main_~main____CPAchecker_TMP_1~0#1| 1) |ULTIMATE.start_main_~main__index1~0#1|) (= 400000 (select |#length| |ULTIMATE.start_main_~#main__array~0#1.base|)) (= .cse2 |ULTIMATE.start_main_~main____CPAchecker_TMP_2~0#1|) (= (mod (let ((.cse3 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0#1.base|))) (+ (* (mod (select .cse3 (+ |ULTIMATE.start_main_~#main__array~0#1.offset| (* .cse0 4))) 4294967296) 4294967295) (select .cse3 (+ (* .cse1 4) |ULTIMATE.start_main_~#main__array~0#1.offset|)))) 4294967296) 0) (= (select |#valid| 0) 0) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse4 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#main__array~0#1.base|) 1) (= |#t~string6.offset| 0) (= (select |#length| |#t~string4.base|) 2) (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 1) (= (select .cse4 |#t~string4.offset|) 48) (<= (mod |ULTIMATE.start_main_~main__index2~0#1| 4294967296) (mod |ULTIMATE.start_main_~main__index1~0#1| 4294967296)) (= ~__return_main~0 0) (= |ULTIMATE.start_main_~#main__array~0#1.offset| 0) (= 45 (select |#length| |#t~string5.base|)) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))))) [2021-11-13 02:39:55,208 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 133) no Hoare annotation was computed. [2021-11-13 02:39:55,208 INFO L858 garLoopResultBuilder]: For program point L24(lines 24 162) no Hoare annotation was computed. [2021-11-13 02:39:55,208 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2021-11-13 02:39:55,208 INFO L854 garLoopResultBuilder]: At program point L119(lines 99 128) the Hoare annotation is: (let ((.cse0 (= ~__tmp_155_0~0 1)) (.cse1 (= |ULTIMATE.start_main_~main__loop_entered~0#1| 1)) (.cse2 (= ~__return_136~0 0)) (.cse3 (= |#NULL.offset| 0)) (.cse4 (= |#t~string6.offset| 0)) (.cse5 (= ~__return_main~0 0)) (.cse6 (= |ULTIMATE.start_main_~#main__array~0#1.offset| 0)) (.cse7 (= 0 |#t~string4.offset|)) (.cse8 (= |#NULL.base| 0))) (or (and (<= 0 |#t~string4.base|) (<= 1 |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1|) (<= 0 |ULTIMATE.start_main_~#main__array~0#1.base|) (<= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 1) .cse0 .cse1 (<= 0 |#t~string5.base|) (<= 0 |#t~string5.offset|) (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~2#1| 0)) (<= 1 |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1|) .cse2 (<= |ULTIMATE.start_main_~__tmp_1~0#1| 1) (<= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 1) (<= 0 |#t~string6.base|) .cse3 (<= 1 |ULTIMATE.start_main_~__tmp_1~0#1|) .cse4 (<= 0 |#StackHeapBarrier|) .cse5 .cse6 (<= |#t~string5.offset| 0) .cse7 .cse8) (let ((.cse11 (+ |ULTIMATE.start_main_~main__index2~0#1| 1))) (let ((.cse9 (mod |ULTIMATE.start_main_~main____CPAchecker_TMP_1~0#1| 4294967296)) (.cse10 (mod .cse11 4294967296)) (.cse13 (select |#memory_int| |#t~string4.base|))) (and (< |#StackHeapBarrier| |#t~string6.base|) (< .cse9 .cse10) (= |ULTIMATE.start_main_~__tmp_1~0#1| 1) (= ~__tmp_155_0~0 |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1|) (< .cse10 100000) (< |#StackHeapBarrier| |#t~string5.base|) .cse0 (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) .cse1 (= |#t~string5.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#main__array~0#1.base|) (= (select |#valid| |#t~string6.base|) 1) .cse2 (= (+ |ULTIMATE.start_main_~main____CPAchecker_TMP_1~0#1| 1) |ULTIMATE.start_main_~main__index1~0#1|) (= 400000 (select |#length| |ULTIMATE.start_main_~#main__array~0#1.base|)) (= .cse11 |ULTIMATE.start_main_~main____CPAchecker_TMP_2~0#1|) (= (mod (let ((.cse12 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0#1.base|))) (+ (* (mod (select .cse12 (+ |ULTIMATE.start_main_~#main__array~0#1.offset| (* .cse9 4))) 4294967296) 4294967295) (select .cse12 (+ (* .cse10 4) |ULTIMATE.start_main_~#main__array~0#1.offset|)))) 4294967296) 0) (= (select |#valid| 0) 0) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse13 (+ 1 |#t~string4.offset|)) 0) .cse3 (= (select |#valid| |ULTIMATE.start_main_~#main__array~0#1.base|) 1) .cse4 (= (select |#length| |#t~string4.base|) 2) (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 1) (= (select .cse13 |#t~string4.offset|) 48) (<= (mod |ULTIMATE.start_main_~main__index2~0#1| 4294967296) (mod |ULTIMATE.start_main_~main__index1~0#1| 4294967296)) .cse5 .cse6 (= 45 (select |#length| |#t~string5.base|)) .cse7 (< 0 |#StackHeapBarrier|) .cse8))))) [2021-11-13 02:39:55,209 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 02:39:55,209 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 88) no Hoare annotation was computed. [2021-11-13 02:39:55,209 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 152) no Hoare annotation was computed. [2021-11-13 02:39:55,209 INFO L854 garLoopResultBuilder]: At program point L87(lines 62 88) the Hoare annotation is: (let ((.cse3 (+ |ULTIMATE.start_main_~main__index2~0#1| 1))) (let ((.cse2 (* 4294967296 (div |ULTIMATE.start_main_~main__index2~0#1| 4294967296))) (.cse1 (mod (+ 4294967295 |ULTIMATE.start_main_~main__index1~0#1|) 4294967296)) (.cse0 (mod .cse3 4294967296)) (.cse4 (select |#memory_int| |#t~string4.base|))) (and (< |#StackHeapBarrier| |#t~string6.base|) (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~1#1| 1) (= ~__tmp_155_0~0 |ULTIMATE.start_main_~__tmp_1~0#1|) (= |ULTIMATE.start_main_~__tmp_1~0#1| 1) (= ~__tmp_155_0~0 |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1|) (< .cse0 100000) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (= |ULTIMATE.start_main_~main__loop_entered~0#1| 1) (= |#t~string5.offset| 0) (< .cse1 100000) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#main__array~0#1.base|) (= (select |#valid| |#t~string6.base|) 1) (= ~__return_136~0 0) (<= |ULTIMATE.start_main_~main__index2~0#1| (+ 99999 .cse2)) (<= (+ |ULTIMATE.start_main_~main__index1~0#1| 1 .cse2) (+ (* 4294967296 (div |ULTIMATE.start_main_~main__index1~0#1| 4294967296)) |ULTIMATE.start_main_~main__index2~0#1|)) (= (+ |ULTIMATE.start_main_~main____CPAchecker_TMP_1~0#1| 1) |ULTIMATE.start_main_~main__index1~0#1|) (= 400000 (select |#length| |ULTIMATE.start_main_~#main__array~0#1.base|)) (= .cse3 |ULTIMATE.start_main_~main____CPAchecker_TMP_2~0#1|) (= (select |#valid| 0) 0) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse4 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#main__array~0#1.base|) 1) (= |#t~string6.offset| 0) (= (select |#length| |#t~string4.base|) 2) (= (mod (let ((.cse5 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0#1.base|))) (+ (select .cse5 (+ |ULTIMATE.start_main_~#main__array~0#1.offset| (* .cse1 4))) (* (mod (select .cse5 (+ (* .cse0 4) |ULTIMATE.start_main_~#main__array~0#1.offset|)) 4294967296) 4294967295))) 4294967296) 0) (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 1) (= (select .cse4 |#t~string4.offset|) 48) (= ~__return_main~0 0) (= |ULTIMATE.start_main_~#main__array~0#1.offset| 0) (= 45 (select |#length| |#t~string5.base|)) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0)))) [2021-11-13 02:39:55,209 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 167) no Hoare annotation was computed. [2021-11-13 02:39:55,210 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 138) no Hoare annotation was computed. [2021-11-13 02:39:55,210 INFO L854 garLoopResultBuilder]: At program point L79(lines 46 139) the Hoare annotation is: (let ((.cse30 (select |#memory_int| |#t~string4.base|)) (.cse10 (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 1))) (let ((.cse0 (< |#StackHeapBarrier| |#t~string6.base|)) (.cse1 (< |#StackHeapBarrier| |#t~string5.base|)) (.cse2 (= (select |#valid| |#t~string5.base|) 1)) (.cse3 (= (select |#valid| |#t~string4.base|) 1)) (.cse4 (= |#t~string5.offset| 0)) (.cse5 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#main__array~0#1.base|)) (.cse6 (let ((.cse34 (* 4294967296 (div |ULTIMATE.start_main_~main__index2~0#1| 4294967296)))) (let ((.cse31 (<= |ULTIMATE.start_main_~main__index2~0#1| (+ 99999 .cse34))) (.cse32 (<= (+ |ULTIMATE.start_main_~main__index1~0#1| 1 .cse34) (+ (* 4294967296 (div |ULTIMATE.start_main_~main__index1~0#1| 4294967296)) |ULTIMATE.start_main_~main__index2~0#1|))) (.cse33 (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 1))) (or (and (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1| 0)) .cse31 .cse32 (not (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~1#1| 0)) .cse33) (and .cse31 .cse32 .cse10 .cse33))))) (.cse7 (= (select |#valid| |#t~string6.base|) 1)) (.cse8 (= ~__return_136~0 0)) (.cse9 (= 400000 (select |#length| |ULTIMATE.start_main_~#main__array~0#1.base|))) (.cse11 (= (select |#valid| 0) 0)) (.cse12 (< |#StackHeapBarrier| |#t~string4.base|)) (.cse13 (= (select |#length| |#t~string6.base|) 12)) (.cse14 (= (select .cse30 (+ 1 |#t~string4.offset|)) 0)) (.cse15 (= |#NULL.offset| 0)) (.cse16 (= (select |#valid| |ULTIMATE.start_main_~#main__array~0#1.base|) 1)) (.cse17 (= |#t~string6.offset| 0)) (.cse18 (= (select |#length| |#t~string4.base|) 2)) (.cse19 (= (select .cse30 |#t~string4.offset|) 48)) (.cse20 (= ~__return_main~0 0)) (.cse21 (= |ULTIMATE.start_main_~#main__array~0#1.offset| 0)) (.cse22 (= 45 (select |#length| |#t~string5.base|))) (.cse23 (= 0 |#t~string4.offset|)) (.cse24 (< 0 |#StackHeapBarrier|)) (.cse25 (= |#NULL.base| 0))) (or (and .cse0 (= |ULTIMATE.start_main_~main__loop_entered~0#1| 0) (<= ~__tmp_155_0~0 1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= 1 ~__tmp_155_0~0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| |ULTIMATE.start_main_~__tmp_1~0#1|) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (let ((.cse28 (+ |ULTIMATE.start_main_~main__index2~0#1| 1))) (let ((.cse27 (mod (+ 4294967295 |ULTIMATE.start_main_~main__index1~0#1|) 4294967296)) (.cse26 (mod .cse28 4294967296))) (and .cse0 (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~1#1| 1) (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~1#1| |ULTIMATE.start_main_~__tmp_2~0#1|) (= ~__tmp_155_0~0 |ULTIMATE.start_main_~__tmp_1~0#1|) (= |ULTIMATE.start_main_~__tmp_1~0#1| 1) (= ~__tmp_155_0~0 |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1|) (< .cse26 100000) .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~main__loop_entered~0#1| 1) .cse4 (< .cse27 100000) .cse5 .cse6 .cse7 .cse8 (= (+ |ULTIMATE.start_main_~main____CPAchecker_TMP_1~0#1| 1) |ULTIMATE.start_main_~main__index1~0#1|) .cse9 (= .cse28 |ULTIMATE.start_main_~main____CPAchecker_TMP_2~0#1|) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (= (mod (let ((.cse29 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0#1.base|))) (+ (select .cse29 (+ |ULTIMATE.start_main_~#main__array~0#1.offset| (* .cse27 4))) (* (mod (select .cse29 (+ (* .cse26 4) |ULTIMATE.start_main_~#main__array~0#1.offset|)) 4294967296) 4294967295))) 4294967296) 0) .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~1#1| |ULTIMATE.start_main_~__tmp_2~0#1|) .cse25)))))) [2021-11-13 02:39:55,210 INFO L858 garLoopResultBuilder]: For program point L108(lines 108 120) no Hoare annotation was computed. [2021-11-13 02:39:55,210 INFO L858 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2021-11-13 02:39:55,210 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 80) no Hoare annotation was computed. [2021-11-13 02:39:55,211 INFO L861 garLoopResultBuilder]: At program point L166(lines 14 168) the Hoare annotation is: true [2021-11-13 02:39:55,211 INFO L854 garLoopResultBuilder]: At program point L92(lines 60 93) the Hoare annotation is: false [2021-11-13 02:39:55,211 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 157) no Hoare annotation was computed. [2021-11-13 02:39:55,211 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2021-11-13 02:39:55,211 INFO L854 garLoopResultBuilder]: At program point L146(lines 31 147) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div |ULTIMATE.start_main_~main__index2~0#1| 4294967296))) (.cse1 (select |#memory_int| |#t~string4.base|))) (and (< |#StackHeapBarrier| |#t~string6.base|) (= |ULTIMATE.start_main_~main__loop_entered~0#1| 0) (= ~__tmp_155_0~0 0) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (= |#t~string5.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#main__array~0#1.base|) (= (select |#valid| |#t~string6.base|) 1) (= ~__return_136~0 0) (<= |ULTIMATE.start_main_~main__index2~0#1| (+ 99999 .cse0)) (<= (+ |ULTIMATE.start_main_~main__index1~0#1| 1 .cse0) (+ (* 4294967296 (div |ULTIMATE.start_main_~main__index1~0#1| 4294967296)) |ULTIMATE.start_main_~main__index2~0#1|)) (= 400000 (select |#length| |ULTIMATE.start_main_~#main__array~0#1.base|)) (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 1) (= (select |#valid| 0) 0) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse1 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#main__array~0#1.base|) 1) (= |#t~string6.offset| 0) (= (select |#length| |#t~string4.base|) 2) (= (select .cse1 |#t~string4.offset|) 48) (= ~__return_main~0 0) (= |ULTIMATE.start_main_~#main__array~0#1.offset| 0) (= 45 (select |#length| |#t~string5.base|)) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-13 02:39:55,216 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:55,218 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:39:55,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:39:55 BoogieIcfgContainer [2021-11-13 02:39:55,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 02:39:55,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 02:39:55,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 02:39:55,271 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 02:39:55,272 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:39:23" (3/4) ... [2021-11-13 02:39:55,275 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 02:39:55,289 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-13 02:39:55,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 02:39:55,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 02:39:55,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 02:39:55,354 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 02:39:55,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 02:39:55,355 INFO L158 Benchmark]: Toolchain (without parser) took 33413.89ms. Allocated memory was 115.3MB in the beginning and 182.5MB in the end (delta: 67.1MB). Free memory was 81.3MB in the beginning and 54.5MB in the end (delta: 26.7MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2021-11-13 02:39:55,356 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory was 59.2MB in the beginning and 59.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:39:55,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.86ms. Allocated memory is still 115.3MB. Free memory was 81.1MB in the beginning and 91.0MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 02:39:55,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.68ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:39:55,357 INFO L158 Benchmark]: Boogie Preprocessor took 48.69ms. Allocated memory is still 115.3MB. Free memory was 88.9MB in the beginning and 87.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:39:55,358 INFO L158 Benchmark]: RCFGBuilder took 569.98ms. Allocated memory is still 115.3MB. Free memory was 87.8MB in the beginning and 75.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 02:39:55,359 INFO L158 Benchmark]: TraceAbstraction took 32217.76ms. Allocated memory was 115.3MB in the beginning and 182.5MB in the end (delta: 67.1MB). Free memory was 74.7MB in the beginning and 60.8MB in the end (delta: 13.9MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. [2021-11-13 02:39:55,359 INFO L158 Benchmark]: Witness Printer took 84.23ms. Allocated memory is still 182.5MB. Free memory was 60.8MB in the beginning and 54.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 02:39:55,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory was 59.2MB in the beginning and 59.1MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.86ms. Allocated memory is still 115.3MB. Free memory was 81.1MB in the beginning and 91.0MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.68ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.69ms. Allocated memory is still 115.3MB. Free memory was 88.9MB in the beginning and 87.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.98ms. Allocated memory is still 115.3MB. Free memory was 87.8MB in the beginning and 75.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 32217.76ms. Allocated memory was 115.3MB in the beginning and 182.5MB in the end (delta: 67.1MB). Free memory was 74.7MB in the beginning and 60.8MB in the end (delta: 13.9MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. * Witness Printer took 84.23ms. Allocated memory is still 182.5MB. Free memory was 60.8MB in the beginning and 54.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 42]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 73]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 110]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 32.1s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 1114.92ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 190 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 971.95ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 200 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 158 mSDtfsCounter, 333 mSolverCounterSat, 13.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 103 SyntacticMatches, 5 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 48 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 24 NumberOfFragments, 1220 HoareAnnotationTreeSize, 9 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2298 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 2443 SizeOfPredicates, 4 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 12/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 3093.68ms, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 35, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 47, TOOLS_POST_TIME: 1102.24ms, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.00ms, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.00ms, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME: 1064.80ms, TOOLS_QUANTIFIERELIM_MAX_TIME: 263.95ms, FLUID_QUERY_TIME: 9.27ms, FLUID_QUERIES: 90, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME: 1505.71ms, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.00ms, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.00ms, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 107.01ms, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME: 278.96ms, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 419.53ms, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 419.36ms, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.00ms, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.00ms, PROCEDURE_GRAPH_BUILDER_TIME: 2.68ms, PATH_EXPR_TIME: 5.16ms, REGEX_TO_DAG_TIME: 5.27ms, DAG_COMPRESSION_TIME: 28.23ms, DAG_COMPRESSION_PROCESSED_NODES: 438, DAG_COMPRESSION_RETAINED_NODES: 99, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: main__loop_entered == 0 || ((((((((((((((((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && main____CPAchecker_TMP_1 % 4294967296 < (main__index2 + 1) % 4294967296) && __tmp_1 == 1) && __tmp_155_0 == main____CPAchecker_TMP_0) && (main__index2 + 1) % 4294967296 < 100000) && unknown-#StackHeapBarrier-unknown < "simple_array_index_value_4.i.v+nlh-reducer.c") && __tmp_155_0 == 1) && \valid["simple_array_index_value_4.i.v+nlh-reducer.c"] == 1) && \valid["0"] == 1) && main__loop_entered == 1) && "simple_array_index_value_4.i.v+nlh-reducer.c" == 0) && unknown-#StackHeapBarrier-unknown < main__array) && \valid["reach_error"] == 1) && __return_136 == 0) && main____CPAchecker_TMP_1 + 1 == main__index1) && 400000 == unknown-#length-unknown[main__array]) && main__index2 + 1 == main____CPAchecker_TMP_2) && (unknown-#memory_int-unknown[main__array][main__array + main____CPAchecker_TMP_1 % 4294967296 * 4] % 4294967296 * 4294967295 + unknown-#memory_int-unknown[main__array][(main__index2 + 1) % 4294967296 * 4 + main__array]) % 4294967296 == 0) && \valid[0] == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && \valid[main__array] == 1) && "reach_error" == 0) && unknown-#length-unknown["0"] == 2) && __VERIFIER_assert__cond == 1) && unknown-#memory_int-unknown["0"]["0"] == 48) && main__index2 % 4294967296 <= main__index1 % 4294967296) && __return_main == 0) && main__array == 0) && 45 == unknown-#length-unknown["simple_array_index_value_4.i.v+nlh-reducer.c"]) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((0 <= "0" && 1 <= main____CPAchecker_TMP_0) && 0 <= main__array) && __VERIFIER_assert__cond <= 1) && __tmp_155_0 == 1) && main__loop_entered == 1) && 0 <= "simple_array_index_value_4.i.v+nlh-reducer.c") && 0 <= "simple_array_index_value_4.i.v+nlh-reducer.c") && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && __return_136 == 0) && __tmp_1 <= 1) && main____CPAchecker_TMP_0 <= 1) && 0 <= "reach_error") && #NULL == 0) && 1 <= __tmp_1) && "reach_error" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && __return_main == 0) && main__array == 0) && "simple_array_index_value_4.i.v+nlh-reducer.c" <= 0) && 0 == "0") && #NULL == 0) || ((((((((((((((((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && main____CPAchecker_TMP_1 % 4294967296 < (main__index2 + 1) % 4294967296) && __tmp_1 == 1) && __tmp_155_0 == main____CPAchecker_TMP_0) && (main__index2 + 1) % 4294967296 < 100000) && unknown-#StackHeapBarrier-unknown < "simple_array_index_value_4.i.v+nlh-reducer.c") && __tmp_155_0 == 1) && \valid["simple_array_index_value_4.i.v+nlh-reducer.c"] == 1) && \valid["0"] == 1) && main__loop_entered == 1) && "simple_array_index_value_4.i.v+nlh-reducer.c" == 0) && unknown-#StackHeapBarrier-unknown < main__array) && \valid["reach_error"] == 1) && __return_136 == 0) && main____CPAchecker_TMP_1 + 1 == main__index1) && 400000 == unknown-#length-unknown[main__array]) && main__index2 + 1 == main____CPAchecker_TMP_2) && (unknown-#memory_int-unknown[main__array][main__array + main____CPAchecker_TMP_1 % 4294967296 * 4] % 4294967296 * 4294967295 + unknown-#memory_int-unknown[main__array][(main__index2 + 1) % 4294967296 * 4 + main__array]) % 4294967296 == 0) && \valid[0] == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && \valid[main__array] == 1) && "reach_error" == 0) && unknown-#length-unknown["0"] == 2) && __VERIFIER_assert__cond == 1) && unknown-#memory_int-unknown["0"]["0"] == 48) && main__index2 % 4294967296 <= main__index1 % 4294967296) && __return_main == 0) && main__array == 0) && 45 == unknown-#length-unknown["simple_array_index_value_4.i.v+nlh-reducer.c"]) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && main__loop_entered == 0) && __tmp_155_0 == 0) && unknown-#StackHeapBarrier-unknown < "simple_array_index_value_4.i.v+nlh-reducer.c") && \valid["simple_array_index_value_4.i.v+nlh-reducer.c"] == 1) && \valid["0"] == 1) && "simple_array_index_value_4.i.v+nlh-reducer.c" == 0) && unknown-#StackHeapBarrier-unknown < main__array) && \valid["reach_error"] == 1) && __return_136 == 0) && main__index2 <= 99999 + 4294967296 * (main__index2 / 4294967296)) && main__index1 + 1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2) && 400000 == unknown-#length-unknown[main__array]) && main____CPAchecker_TMP_0 == 1) && \valid[0] == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && \valid[main__array] == 1) && "reach_error" == 0) && unknown-#length-unknown["0"] == 2) && unknown-#memory_int-unknown["0"]["0"] == 48) && __return_main == 0) && main__array == 0) && 45 == unknown-#length-unknown["simple_array_index_value_4.i.v+nlh-reducer.c"]) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && main__loop_entered == 0) && __tmp_155_0 <= 1) && unknown-#StackHeapBarrier-unknown < "simple_array_index_value_4.i.v+nlh-reducer.c") && \valid["simple_array_index_value_4.i.v+nlh-reducer.c"] == 1) && \valid["0"] == 1) && "simple_array_index_value_4.i.v+nlh-reducer.c" == 0) && unknown-#StackHeapBarrier-unknown < main__array) && (((((!(__VERIFIER_assert__cond == 0) && main__index2 <= 99999 + 4294967296 * (main__index2 / 4294967296)) && main__index1 + 1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2) && !(main____CPAchecker_TMP_0 == 0)) && __VERIFIER_assert__cond == 1) || (((main__index2 <= 99999 + 4294967296 * (main__index2 / 4294967296) && main__index1 + 1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2) && main____CPAchecker_TMP_0 == 1) && __VERIFIER_assert__cond == 1))) && \valid["reach_error"] == 1) && __return_136 == 0) && 1 <= __tmp_155_0) && 400000 == unknown-#length-unknown[main__array]) && main____CPAchecker_TMP_0 == 1) && \valid[0] == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && \valid[main__array] == 1) && "reach_error" == 0) && main____CPAchecker_TMP_0 == __tmp_1) && unknown-#length-unknown["0"] == 2) && unknown-#memory_int-unknown["0"]["0"] == 48) && __return_main == 0) && main__array == 0) && 45 == unknown-#length-unknown["simple_array_index_value_4.i.v+nlh-reducer.c"]) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && main____CPAchecker_TMP_0 == 1) && __VERIFIER_assert__cond == __tmp_2) && __tmp_155_0 == __tmp_1) && __tmp_1 == 1) && __tmp_155_0 == main____CPAchecker_TMP_0) && (main__index2 + 1) % 4294967296 < 100000) && unknown-#StackHeapBarrier-unknown < "simple_array_index_value_4.i.v+nlh-reducer.c") && \valid["simple_array_index_value_4.i.v+nlh-reducer.c"] == 1) && \valid["0"] == 1) && main__loop_entered == 1) && "simple_array_index_value_4.i.v+nlh-reducer.c" == 0) && (4294967295 + main__index1) % 4294967296 < 100000) && unknown-#StackHeapBarrier-unknown < main__array) && (((((!(__VERIFIER_assert__cond == 0) && main__index2 <= 99999 + 4294967296 * (main__index2 / 4294967296)) && main__index1 + 1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2) && !(main____CPAchecker_TMP_0 == 0)) && __VERIFIER_assert__cond == 1) || (((main__index2 <= 99999 + 4294967296 * (main__index2 / 4294967296) && main__index1 + 1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2) && main____CPAchecker_TMP_0 == 1) && __VERIFIER_assert__cond == 1))) && \valid["reach_error"] == 1) && __return_136 == 0) && main____CPAchecker_TMP_1 + 1 == main__index1) && 400000 == unknown-#length-unknown[main__array]) && main__index2 + 1 == main____CPAchecker_TMP_2) && \valid[0] == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && \valid[main__array] == 1) && "reach_error" == 0) && unknown-#length-unknown["0"] == 2) && (unknown-#memory_int-unknown[main__array][main__array + (4294967295 + main__index1) % 4294967296 * 4] + unknown-#memory_int-unknown[main__array][(main__index2 + 1) % 4294967296 * 4 + main__array] % 4294967296 * 4294967295) % 4294967296 == 0) && unknown-#memory_int-unknown["0"]["0"] == 48) && __return_main == 0) && main__array == 0) && 45 == unknown-#length-unknown["simple_array_index_value_4.i.v+nlh-reducer.c"]) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && main____CPAchecker_TMP_0 == __tmp_2) && #NULL == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && main____CPAchecker_TMP_0 == 1) && __tmp_155_0 == __tmp_1) && __tmp_1 == 1) && __tmp_155_0 == main____CPAchecker_TMP_0) && (main__index2 + 1) % 4294967296 < 100000) && unknown-#StackHeapBarrier-unknown < "simple_array_index_value_4.i.v+nlh-reducer.c") && \valid["simple_array_index_value_4.i.v+nlh-reducer.c"] == 1) && \valid["0"] == 1) && main__loop_entered == 1) && "simple_array_index_value_4.i.v+nlh-reducer.c" == 0) && (4294967295 + main__index1) % 4294967296 < 100000) && unknown-#StackHeapBarrier-unknown < main__array) && \valid["reach_error"] == 1) && __return_136 == 0) && main__index2 <= 99999 + 4294967296 * (main__index2 / 4294967296)) && main__index1 + 1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2) && main____CPAchecker_TMP_1 + 1 == main__index1) && 400000 == unknown-#length-unknown[main__array]) && main__index2 + 1 == main____CPAchecker_TMP_2) && \valid[0] == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && \valid[main__array] == 1) && "reach_error" == 0) && unknown-#length-unknown["0"] == 2) && (unknown-#memory_int-unknown[main__array][main__array + (4294967295 + main__index1) % 4294967296 * 4] + unknown-#memory_int-unknown[main__array][(main__index2 + 1) % 4294967296 * 4 + main__array] % 4294967296 * 4294967295) % 4294967296 == 0) && __VERIFIER_assert__cond == 1) && unknown-#memory_int-unknown["0"]["0"] == 48) && __return_main == 0) && main__array == 0) && 45 == unknown-#length-unknown["simple_array_index_value_4.i.v+nlh-reducer.c"]) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-13 02:39:55,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6907b2-1db5-4ff4-88a6-87150f5064e5/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE