./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:23:12,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:23:12,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:23:12,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:23:12,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:23:12,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:23:12,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:23:12,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:23:12,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:23:12,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:23:12,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:23:12,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:23:12,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:23:12,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:23:12,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:23:12,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:23:12,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:23:12,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:23:12,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:23:12,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:23:12,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:23:12,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:23:12,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:23:12,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:23:12,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:23:12,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:23:12,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:23:12,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:23:12,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:23:12,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:23:12,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:23:12,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:23:12,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:23:12,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:23:12,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:23:12,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:23:12,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:23:12,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:23:12,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:23:12,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:23:12,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:23:12,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 18:23:12,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:23:12,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:23:12,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:23:12,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:23:12,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:23:12,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:23:12,349 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:23:12,350 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:23:12,350 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:23:12,350 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:23:12,351 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:23:12,351 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:23:12,352 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:23:12,352 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:23:12,352 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:23:12,352 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:23:12,353 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:23:12,353 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:23:12,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:23:12,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:23:12,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:23:12,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:23:12,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:23:12,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:23:12,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:23:12,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:23:12,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:23:12,357 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 18:23:12,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:23:12,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:23:12,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:23:12,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:23:12,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:23:12,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:23:12,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:12,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:23:12,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:23:12,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:23:12,360 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:23:12,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:23:12,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:23:12,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:23:12,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:23:12,362 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_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 [2021-11-25 18:23:12,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:23:12,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:23:12,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:23:12,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:23:12,725 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:23:12,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2021-11-25 18:23:12,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/data/8f964df6c/349aeddec5db4ea89ae5a644f1dd7ac4/FLAG404fb185d [2021-11-25 18:23:13,402 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:23:13,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2021-11-25 18:23:13,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/data/8f964df6c/349aeddec5db4ea89ae5a644f1dd7ac4/FLAG404fb185d [2021-11-25 18:23:13,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/data/8f964df6c/349aeddec5db4ea89ae5a644f1dd7ac4 [2021-11-25 18:23:13,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:23:13,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:23:13,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:13,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:23:13,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:23:13,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666086bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13, skipping insertion in model container [2021-11-25 18:23:13,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:23:13,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:23:14,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[33021,33034] [2021-11-25 18:23:14,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[45234,45247] [2021-11-25 18:23:14,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:14,444 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:23:14,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[33021,33034] [2021-11-25 18:23:14,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[45234,45247] [2021-11-25 18:23:14,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:14,595 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:23:14,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14 WrapperNode [2021-11-25 18:23:14,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:14,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:14,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:23:14,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:23:14,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,734 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 18:23:14,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:14,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:23:14,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:23:14,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:23:14,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:23:14,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:23:14,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:23:14,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:23:14,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (1/1) ... [2021-11-25 18:23:14,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:14,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:14,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:23:15,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:23:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:23:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:23:15,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:23:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:23:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:23:15,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:23:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 18:23:15,026 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 18:23:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:23:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:23:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:23:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:23:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:23:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:23:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:23:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:23:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:23:15,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:23:15,307 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:23:15,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:23:16,420 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:23:16,856 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:23:16,856 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 18:23:16,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:16 BoogieIcfgContainer [2021-11-25 18:23:16,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:23:16,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:23:16,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:23:16,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:23:16,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:23:13" (1/3) ... [2021-11-25 18:23:16,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551d5e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:23:16, skipping insertion in model container [2021-11-25 18:23:16,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:14" (2/3) ... [2021-11-25 18:23:16,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551d5e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:23:16, skipping insertion in model container [2021-11-25 18:23:16,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:16" (3/3) ... [2021-11-25 18:23:16,871 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-2.i [2021-11-25 18:23:16,876 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:23:16,877 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-25 18:23:16,941 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:23:16,952 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 [2021-11-25 18:23:16,953 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-25 18:23:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:23:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 18:23:16,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:16,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 18:23:16,986 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:23:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:16,992 INFO L85 PathProgramCache]: Analyzing trace with hash 32406471, now seen corresponding path program 1 times [2021-11-25 18:23:17,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:17,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41989771] [2021-11-25 18:23:17,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:17,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:17,139 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:23:17,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534878532] [2021-11-25 18:23:17,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:17,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:17,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:17,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:23:17,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:23:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:17,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 18:23:17,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:23:17,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:23:17,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:17,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:23:17,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:17,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41989771] [2021-11-25 18:23:17,574 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:23:17,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534878532] [2021-11-25 18:23:17,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534878532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:17,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:17,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:23:17,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065044926] [2021-11-25 18:23:17,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:17,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:23:17,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:17,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:23:17,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:23:17,618 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:18,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:18,926 INFO L93 Difference]: Finished difference Result 410 states and 706 transitions. [2021-11-25 18:23:18,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:23:18,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-25 18:23:18,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:18,943 INFO L225 Difference]: With dead ends: 410 [2021-11-25 18:23:18,943 INFO L226 Difference]: Without dead ends: 217 [2021-11-25 18:23:18,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:18,952 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:18,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 533 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:23:18,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-25 18:23:19,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2021-11-25 18:23:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:23:19,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-25 18:23:19,013 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-25 18:23:19,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:19,014 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-25 18:23:19,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:19,015 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-25 18:23:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 18:23:19,017 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:19,017 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:19,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:23:19,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:19,238 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:23:19,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:19,239 INFO L85 PathProgramCache]: Analyzing trace with hash 286543063, now seen corresponding path program 1 times [2021-11-25 18:23:19,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:19,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919564479] [2021-11-25 18:23:19,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:19,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:19,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:19,369 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:19,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919564479] [2021-11-25 18:23:19,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919564479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:19,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:19,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:23:19,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190814471] [2021-11-25 18:23:19,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:19,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:23:19,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:19,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:23:19,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:23:19,373 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:21,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:21,276 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-25 18:23:21,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:23:21,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-25 18:23:21,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:21,280 INFO L225 Difference]: With dead ends: 297 [2021-11-25 18:23:21,280 INFO L226 Difference]: Without dead ends: 204 [2021-11-25 18:23:21,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:21,283 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:21,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 520 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:23:21,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-25 18:23:21,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-25 18:23:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:23:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-25 18:23:21,303 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-25 18:23:21,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:21,303 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-25 18:23:21,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-25 18:23:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 18:23:21,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:21,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:21,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:23:21,306 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:23:21,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:21,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1273614148, now seen corresponding path program 1 times [2021-11-25 18:23:21,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:21,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731432624] [2021-11-25 18:23:21,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:21,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:21,426 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:23:21,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279176020] [2021-11-25 18:23:21,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:21,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:21,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:21,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:23:21,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:23:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:22,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:23:22,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:23:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:22,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:23:22,121 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:22,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731432624] [2021-11-25 18:23:22,122 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:23:22,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279176020] [2021-11-25 18:23:22,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279176020] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:22,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:22,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:23:22,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117738553] [2021-11-25 18:23:22,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:22,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:23:22,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:22,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:23:22,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:23:22,125 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:24,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:24,394 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-25 18:23:24,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:23:24,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 18:23:24,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:24,403 INFO L225 Difference]: With dead ends: 247 [2021-11-25 18:23:24,403 INFO L226 Difference]: Without dead ends: 246 [2021-11-25 18:23:24,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:24,405 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:24,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 18:23:24,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-25 18:23:24,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-25 18:23:24,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 18:23:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-25 18:23:24,429 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-25 18:23:24,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:24,430 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-25 18:23:24,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-25 18:23:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:23:24,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:24,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:24,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:23:24,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:24,646 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:23:24,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:24,646 INFO L85 PathProgramCache]: Analyzing trace with hash -827332882, now seen corresponding path program 1 times [2021-11-25 18:23:24,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:24,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594678047] [2021-11-25 18:23:24,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:24,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:24,769 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:23:24,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [315281350] [2021-11-25 18:23:24,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:24,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:24,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:24,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:23:24,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:23:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:25,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:23:25,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:23:25,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:25,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:23:25,555 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:25,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594678047] [2021-11-25 18:23:25,555 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:23:25,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315281350] [2021-11-25 18:23:25,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315281350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:25,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:25,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:23:25,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137142883] [2021-11-25 18:23:25,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:25,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:23:25,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:25,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:23:25,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:23:25,557 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:26,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:26,211 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-25 18:23:26,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:23:26,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-25 18:23:26,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:26,219 INFO L225 Difference]: With dead ends: 213 [2021-11-25 18:23:26,219 INFO L226 Difference]: Without dead ends: 212 [2021-11-25 18:23:26,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:26,221 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:26,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-25 18:23:26,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-25 18:23:26,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-25 18:23:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 18:23:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-25 18:23:26,240 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-25 18:23:26,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:26,240 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-25 18:23:26,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-25 18:23:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 18:23:26,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:26,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:26,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-25 18:23:26,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:26,453 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:23:26,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:26,453 INFO L85 PathProgramCache]: Analyzing trace with hash -290716707, now seen corresponding path program 1 times [2021-11-25 18:23:26,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:26,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583314281] [2021-11-25 18:23:26,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:26,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:26,553 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:23:26,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2109001300] [2021-11-25 18:23:26,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:26,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:26,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:26,555 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:23:26,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:23:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:27,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:23:27,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:23:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:27,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:23:27,480 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:27,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583314281] [2021-11-25 18:23:27,481 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:23:27,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109001300] [2021-11-25 18:23:27,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109001300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:27,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:27,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:23:27,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649893930] [2021-11-25 18:23:27,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:27,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:23:27,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:27,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:23:27,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:27,483 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:23:28,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:28,138 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-25 18:23:28,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:23:28,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2021-11-25 18:23:28,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:28,141 INFO L225 Difference]: With dead ends: 432 [2021-11-25 18:23:28,141 INFO L226 Difference]: Without dead ends: 247 [2021-11-25 18:23:28,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:28,143 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:28,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-25 18:23:28,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-25 18:23:28,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-25 18:23:28,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-25 18:23:28,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-25 18:23:28,167 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-25 18:23:28,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:28,167 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-25 18:23:28,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:23:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-25 18:23:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:23:28,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:28,170 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:28,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:23:28,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:28,386 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:23:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash -970471061, now seen corresponding path program 1 times [2021-11-25 18:23:28,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:28,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862672182] [2021-11-25 18:23:28,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:28,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:28,429 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:23:28,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072093731] [2021-11-25 18:23:28,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:28,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:28,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:28,435 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:23:28,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:23:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:29,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:23:29,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:23:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:29,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:23:29,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:29,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862672182] [2021-11-25 18:23:29,159 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:23:29,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072093731] [2021-11-25 18:23:29,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072093731] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:29,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:29,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:23:29,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505568777] [2021-11-25 18:23:29,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:29,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:23:29,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:29,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:23:29,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:23:29,162 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:23:32,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:23:32,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:32,473 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-25 18:23:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:23:32,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-11-25 18:23:32,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:32,496 INFO L225 Difference]: With dead ends: 471 [2021-11-25 18:23:32,496 INFO L226 Difference]: Without dead ends: 248 [2021-11-25 18:23:32,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:32,499 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:32,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-25 18:23:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-25 18:23:32,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-25 18:23:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-25 18:23:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-25 18:23:32,520 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-25 18:23:32,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:32,520 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-25 18:23:32,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:23:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-25 18:23:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 18:23:32,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:32,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:32,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 18:23:32,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 18:23:32,738 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:23:32,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:32,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1407185215, now seen corresponding path program 1 times [2021-11-25 18:23:32,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:32,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692800147] [2021-11-25 18:23:32,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:32,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:32,781 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:23:32,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131714453] [2021-11-25 18:23:32,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:32,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:32,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:32,796 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:23:32,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23ef6947-9235-4131-81e7-6a35df3bb192/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 18:23:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:34,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 18:23:34,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:23:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:23:34,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:23:34,324 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:23:34,324 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:34,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692800147] [2021-11-25 18:23:34,324 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:23:34,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131714453] [2021-11-25 18:23:34,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131714453] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:23:34,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [793133072] [2021-11-25 18:23:34,346 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-25 18:23:34,347 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:23:34,351 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:23:34,357 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:23:34,357 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:23:34,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:23:34,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:23:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,498 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 18:23:34,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 18:23:34,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 18:23:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,549 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:23:34,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:23:34,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:23:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,629 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:23:34,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 18:23:34,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:23:34,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,684 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:23:34,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:23:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-25 18:23:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:34,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-25 18:23:34,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:23:34,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:23:35,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:23:35,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2021-11-25 18:23:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 18:23:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:23:35,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:23:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:23:35,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-25 18:23:35,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:23:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,558 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:23:35,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 18:23:35,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:23:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:23:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:23:35,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:23:35,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:23:35,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:23:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:23:35,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:23:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:23:35,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:23:35,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:23:35,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:23:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:23:35,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:23:35,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:35,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:23:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:23:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:23:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:36,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:23:42,601 WARN L227 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:23:42,602 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:23:42,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:23:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:52,595 WARN L227 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:23:52,595 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:23:52,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:23:52,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:53,306 INFO L244 Elim1Store]: Index analysis took 382 ms [2021-11-25 18:24:04,067 WARN L227 SmtUtils]: Spent 10.42s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:24:04,068 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:24:04,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:24:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:04,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:04,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:04,799 INFO L244 Elim1Store]: Index analysis took 248 ms [2021-11-25 18:24:06,103 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:24:06,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 18:24:06,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:24:06,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:07,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:07,117 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:24:07,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:24:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:07,479 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:24:07,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:24:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:07,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:24:07,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:07,682 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:07,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:24:07,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:08,095 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 18:24:08,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 18:24:08,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:08,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:08,718 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-25 18:24:08,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-25 18:24:08,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:08,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 18:24:09,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:09,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:09,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:09,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:09,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:09,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:09,845 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-25 18:24:09,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3589 treesize of output 3133 [2021-11-25 18:24:09,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:10,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:10,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:10,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:10,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:10,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:10,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:10,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:10,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:10,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:10,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:10,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:10,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:10,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 3577 treesize of output 3127 [2021-11-25 18:24:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:10,728 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-25 18:24:12,209 INFO L354 Elim1Store]: treesize reduction 31, result has 98.3 percent of original size [2021-11-25 18:24:12,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3598 treesize of output 4945 [2021-11-25 18:24:13,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:13,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:13,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:13,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:13,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:13,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:13,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:13,734 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-25 18:24:13,839 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:24:13,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1274 treesize of output 876 [2021-11-25 18:24:13,879 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:13,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:13,972 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:14,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:14,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:14,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:14,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:14,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:14,278 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-25 18:24:14,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 1274 treesize of output 824 [2021-11-25 18:24:14,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:14,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:14,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:14,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:14,699 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-25 18:24:16,753 INFO L354 Elim1Store]: treesize reduction 507, result has 72.9 percent of original size [2021-11-25 18:24:16,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 1797 treesize of output 2694 [2021-11-25 18:24:16,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:16,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:17,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:17,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:17,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:17,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:17,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:17,219 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-25 18:24:17,346 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:24:17,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1720 treesize of output 1516 [2021-11-25 18:24:18,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:18,359 INFO L244 Elim1Store]: Index analysis took 214 ms [2021-11-25 18:24:18,772 INFO L354 Elim1Store]: treesize reduction 1671, result has 9.6 percent of original size [2021-11-25 18:24:18,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 3586 treesize of output 3308 [2021-11-25 18:24:19,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:19,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:19,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:19,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:19,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:19,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:19,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3589 treesize of output 3133 [2021-11-25 18:24:19,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:19,865 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:19,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:19,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:19,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:19,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1788 treesize of output 1326 [2021-11-25 18:24:20,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,219 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,608 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:20,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:20,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:20,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:20,981 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 18:24:20,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 3577 treesize of output 3127 [2021-11-25 18:24:21,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:21,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:21,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:21,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:21,511 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:24:21,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 3589 treesize of output 3203 [2021-11-25 18:24:21,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:21,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:21,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:22,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:22,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:22,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:22,192 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:24:22,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1788 treesize of output 1378 [2021-11-25 18:24:22,267 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,547 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,738 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,774 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:22,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:24:23,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:23,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:23,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:23,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:24:23,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:23,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:23,343 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-25 18:24:23,359 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 18:24:23,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 18:24:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:25,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:25,073 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-11-25 18:24:29,060 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 18:24:29,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 102870 treesize of output 104008