./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW --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 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:38:28,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:38:28,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:38:28,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:38:28,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:38:28,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:38:28,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:38:28,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:38:28,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:38:28,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:38:28,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:38:28,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:38:28,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:38:28,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:38:28,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:38:28,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:38:28,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:38:28,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:38:28,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:38:28,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:38:28,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:38:28,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:38:28,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:38:28,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:38:28,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:38:28,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:38:28,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:38:28,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:38:28,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:38:28,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:38:28,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:38:28,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:38:28,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:38:28,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:38:28,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:38:28,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:38:28,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:38:28,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:38:28,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:38:28,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:38:28,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:38:28,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 13:38:28,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:38:28,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:38:28,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:38:28,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:38:28,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:38:28,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:38:28,730 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:38:28,730 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:38:28,730 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:38:28,730 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:38:28,731 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:38:28,732 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:38:28,732 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:38:28,732 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:38:28,732 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:38:28,733 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:38:28,733 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:38:28,733 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:38:28,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:38:28,734 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:38:28,734 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:38:28,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:38:28,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:38:28,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:38:28,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:38:28,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:38:28,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:38:28,735 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 13:38:28,736 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:38:28,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:38:28,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:38:28,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:38:28,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:38:28,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:38:28,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:38:28,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:38:28,738 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:38:28,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:38:28,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:38:28,738 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:38:28,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:38:28,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:38:28,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:38:28,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 [2022-11-23 13:38:29,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:38:29,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:38:29,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:38:29,049 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:38:29,049 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:38:29,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2022-11-23 13:38:32,157 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:38:32,515 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:38:32,516 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2022-11-23 13:38:32,551 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/data/8b18219c6/2a04d1ae50ad48a6821649e70a739c33/FLAGd59053a34 [2022-11-23 13:38:32,565 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/data/8b18219c6/2a04d1ae50ad48a6821649e70a739c33 [2022-11-23 13:38:32,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:38:32,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:38:32,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:38:32,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:38:32,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:38:32,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:32" (1/1) ... [2022-11-23 13:38:32,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21db69c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:32, skipping insertion in model container [2022-11-23 13:38:32,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:32" (1/1) ... [2022-11-23 13:38:32,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:38:32,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:38:33,097 WARN L237 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_bdc4a65a-2088-4618-80a4-047ef9c20056/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2022-11-23 13:38:33,238 WARN L237 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_bdc4a65a-2088-4618-80a4-047ef9c20056/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2022-11-23 13:38:33,239 WARN L237 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_bdc4a65a-2088-4618-80a4-047ef9c20056/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2022-11-23 13:38:33,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:38:33,256 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:38:33,283 WARN L237 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_bdc4a65a-2088-4618-80a4-047ef9c20056/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2022-11-23 13:38:33,339 WARN L237 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_bdc4a65a-2088-4618-80a4-047ef9c20056/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2022-11-23 13:38:33,340 WARN L237 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_bdc4a65a-2088-4618-80a4-047ef9c20056/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2022-11-23 13:38:33,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:38:33,380 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:38:33,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33 WrapperNode [2022-11-23 13:38:33,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:38:33,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:38:33,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:38:33,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:38:33,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,500 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 998 [2022-11-23 13:38:33,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:38:33,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:38:33,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:38:33,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:38:33,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,661 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:38:33,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:38:33,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:38:33,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:38:33,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (1/1) ... [2022-11-23 13:38:33,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:38:33,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:38:33,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:38:33,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:38:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:38:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:38:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 13:38:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 13:38:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:38:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:38:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:38:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:38:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 13:38:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:38:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:38:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:38:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:38:33,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:38:34,067 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:38:34,070 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:38:35,592 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:38:36,062 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:38:36,063 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-23 13:38:36,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:38:36 BoogieIcfgContainer [2022-11-23 13:38:36,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:38:36,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:38:36,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:38:36,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:38:36,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:38:32" (1/3) ... [2022-11-23 13:38:36,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1eeff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:38:36, skipping insertion in model container [2022-11-23 13:38:36,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:33" (2/3) ... [2022-11-23 13:38:36,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1eeff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:38:36, skipping insertion in model container [2022-11-23 13:38:36,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:38:36" (3/3) ... [2022-11-23 13:38:36,080 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-1.i [2022-11-23 13:38:36,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:38:36,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-23 13:38:36,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:38:36,177 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@748d6da1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:38:36,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-23 13:38:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:38:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 13:38:36,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:38:36,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 13:38:36,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 13:38:36,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:38:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash 24408931, now seen corresponding path program 1 times [2022-11-23 13:38:36,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:38:36,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165326683] [2022-11-23 13:38:36,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:38:36,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:38:36,383 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:38:36,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608692223] [2022-11-23 13:38:36,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:38:36,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:38:36,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:38:36,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:38:36,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:38:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:38:36,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-23 13:38:36,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:38:36,695 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:38:36,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 13:38:36,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:38:36,774 INFO L350 Elim1Store]: Elim1 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 22 treesize of output 10 [2022-11-23 13:38:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:38:36,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:38:36,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:38:36,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165326683] [2022-11-23 13:38:36,790 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:38:36,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608692223] [2022-11-23 13:38:36,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608692223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:38:36,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:38:36,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:38:36,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455012950] [2022-11-23 13:38:36,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:38:36,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:38:36,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:38:36,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:38:36,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:38:36,846 INFO L87 Difference]: Start difference. First operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2022-11-23 13:38:38,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:38:38,300 INFO L93 Difference]: Finished difference Result 285 states and 496 transitions. [2022-11-23 13:38:38,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:38:38,305 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 [2022-11-23 13:38:38,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:38:38,313 INFO L225 Difference]: With dead ends: 285 [2022-11-23 13:38:38,313 INFO L226 Difference]: Without dead ends: 165 [2022-11-23 13:38:38,316 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:38:38,319 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 58 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:38:38,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 292 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 13:38:38,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-23 13:38:38,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2022-11-23 13:38:38,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:38:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2022-11-23 13:38:38,360 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2022-11-23 13:38:38,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:38:38,361 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2022-11-23 13:38:38,361 INFO L496 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) [2022-11-23 13:38:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2022-11-23 13:38:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 13:38:38,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:38:38,364 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:38:38,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 13:38:38,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:38:38,580 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 13:38:38,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:38:38,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2001327283, now seen corresponding path program 1 times [2022-11-23 13:38:38,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:38:38,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179300171] [2022-11-23 13:38:38,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:38:38,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:38:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:38:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:38:39,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:38:39,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179300171] [2022-11-23 13:38:39,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179300171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:38:39,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:38:39,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:38:39,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545585133] [2022-11-23 13:38:39,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:38:39,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:38:39,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:38:39,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:38:39,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:38:39,068 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:38:41,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:38:41,846 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2022-11-23 13:38:41,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:38:41,851 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), 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 25 [2022-11-23 13:38:41,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:38:41,853 INFO L225 Difference]: With dead ends: 211 [2022-11-23 13:38:41,853 INFO L226 Difference]: Without dead ends: 159 [2022-11-23 13:38:41,853 INFO L412 NwaCegarLoop]: 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 [2022-11-23 13:38:41,854 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:38:41,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 296 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-23 13:38:41,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-23 13:38:41,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2022-11-23 13:38:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:38:41,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2022-11-23 13:38:41,867 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2022-11-23 13:38:41,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:38:41,868 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2022-11-23 13:38:41,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:38:41,868 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-11-23 13:38:41,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 13:38:41,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:38:41,870 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:38:41,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:38:41,870 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 13:38:41,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:38:41,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1034865974, now seen corresponding path program 1 times [2022-11-23 13:38:41,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:38:41,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998361234] [2022-11-23 13:38:41,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:38:41,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:38:42,024 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:38:42,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [13603474] [2022-11-23 13:38:42,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:38:42,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:38:42,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:38:42,031 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:38:42,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 13:38:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:38:42,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:38:42,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:38:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:38:42,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:38:42,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:38:42,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998361234] [2022-11-23 13:38:42,845 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:38:42,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13603474] [2022-11-23 13:38:42,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13603474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:38:42,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:38:42,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:38:42,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501850586] [2022-11-23 13:38:42,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:38:42,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:38:42,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:38:42,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:38:42,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:38:42,847 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2022-11-23 13:38:43,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:38:43,971 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2022-11-23 13:38:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:38:43,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2022-11-23 13:38:43,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:38:43,977 INFO L225 Difference]: With dead ends: 277 [2022-11-23 13:38:43,977 INFO L226 Difference]: Without dead ends: 165 [2022-11-23 13:38:43,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:38:43,979 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:38:43,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 216 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 13:38:43,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-23 13:38:43,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2022-11-23 13:38:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:38:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2022-11-23 13:38:43,996 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2022-11-23 13:38:43,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:38:43,997 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2022-11-23 13:38:43,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2022-11-23 13:38:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2022-11-23 13:38:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-23 13:38:43,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:38:43,998 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:38:44,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 13:38:44,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:38:44,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 13:38:44,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:38:44,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1866068418, now seen corresponding path program 1 times [2022-11-23 13:38:44,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:38:44,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568775201] [2022-11-23 13:38:44,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:38:44,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:38:44,283 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:38:44,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254130215] [2022-11-23 13:38:44,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:38:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:38:44,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:38:44,286 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:38:44,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 13:39:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:39:27,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:39:27,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:39:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:39:27,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:39:27,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:39:27,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568775201] [2022-11-23 13:39:27,523 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:39:27,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254130215] [2022-11-23 13:39:27,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254130215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:39:27,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:39:27,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:39:27,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955451718] [2022-11-23 13:39:27,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:39:27,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:39:27,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:39:27,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:39:27,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:39:27,526 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 13:39:28,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:39:28,851 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2022-11-23 13:39:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 13:39:28,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-23 13:39:28,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:39:28,858 INFO L225 Difference]: With dead ends: 308 [2022-11-23 13:39:28,858 INFO L226 Difference]: Without dead ends: 164 [2022-11-23 13:39:28,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:39:28,860 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:39:28,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 338 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 13:39:28,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-23 13:39:28,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2022-11-23 13:39:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-23 13:39:28,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2022-11-23 13:39:28,878 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2022-11-23 13:39:28,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:39:28,878 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2022-11-23 13:39:28,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 13:39:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2022-11-23 13:39:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 13:39:28,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:39:28,880 INFO L195 NwaCegarLoop]: 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] [2022-11-23 13:39:28,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-23 13:39:29,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:39:29,104 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 13:39:29,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:39:29,104 INFO L85 PathProgramCache]: Analyzing trace with hash -826585736, now seen corresponding path program 1 times [2022-11-23 13:39:29,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:39:29,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047261947] [2022-11-23 13:39:29,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:39:29,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:39:29,187 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:39:29,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374284813] [2022-11-23 13:39:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:39:29,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:39:29,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:39:29,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:39:29,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc4a65a-2088-4618-80a4-047ef9c20056/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 13:39:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:39:34,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 13:39:34,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:39:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:39:34,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:39:34,940 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:39:34,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:39:34,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047261947] [2022-11-23 13:39:34,941 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:39:34,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374284813] [2022-11-23 13:39:34,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374284813] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 13:39:34,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [928422951] [2022-11-23 13:39:34,961 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-23 13:39:34,961 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 13:39:34,965 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 13:39:34,970 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 13:39:34,970 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 13:39:35,047 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,068 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 13:39:35,069 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,102 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-23 13:39:35,103 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 [2022-11-23 13:39:35,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 13:39:35,178 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,227 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 13:39:35,227 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,242 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-11-23 13:39:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22 treesize of output 30 [2022-11-23 13:39:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,312 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,365 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,382 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,390 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,827 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,846 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:35,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-23 13:39:35,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9896993 treesize of output 5376298 [2022-11-23 13:39:36,074 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 13:39:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 13:39:36,246 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-23 13:39:36,376 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,451 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 13:39:36,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-23 13:39:36,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,547 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 13:39:36,548 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,607 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,796 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,800 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,805 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,828 INFO L350 Elim1Store]: Elim1 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 66 treesize of output 65 [2022-11-23 13:39:36,836 INFO L350 Elim1Store]: Elim1 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 64 treesize of output 63 [2022-11-23 13:39:36,844 INFO L350 Elim1Store]: Elim1 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 64 treesize of output 63 [2022-11-23 13:39:36,863 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,869 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,874 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:36,933 INFO L350 Elim1Store]: Elim1 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 46 treesize of output 16 [2022-11-23 13:39:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:36,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 13:39:36,998 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:37,193 INFO L350 Elim1Store]: Elim1 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 46 treesize of output 16 [2022-11-23 13:39:37,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:39:37,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-23 13:39:37,262 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 13:39:38,466 INFO L217 Elim1Store]: Index analysis took 845 ms [2022-11-23 13:39:41,406 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-23 13:39:41,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519766 treesize of output 9519770 [2022-11-23 13:39:46,790 INFO L217 Elim1Store]: Index analysis took 5218 ms [2022-11-23 13:39:50,085 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-23 13:39:50,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519771 treesize of output 9519774 [2022-11-23 13:39:59,074 WARN L233 SmtUtils]: Spent 8.93s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:39:59,075 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 13:39:59,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-23 13:39:59,299 INFO L217 Elim1Store]: Index analysis took 118 ms [2022-11-23 13:40:17,896 WARN L233 SmtUtils]: Spent 18.59s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:40:17,896 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 13:40:17,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1829 [2022-11-23 13:40:18,639 INFO L217 Elim1Store]: Index analysis took 540 ms [2022-11-23 13:40:35,894 WARN L233 SmtUtils]: Spent 16.67s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 13:40:35,896 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 13:40:35,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-23 13:40:37,372 INFO L217 Elim1Store]: Index analysis took 138 ms [2022-11-23 13:40:37,872 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 13:40:37,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-23 13:40:37,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 13:40:38,614 INFO L217 Elim1Store]: Index analysis took 499 ms [2022-11-23 13:40:39,774 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 13:40:39,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-23 13:40:44,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:44,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-23 13:40:44,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:44,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:44,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-23 13:40:44,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:44,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-11-23 13:40:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:44,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:40:44,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2022-11-23 13:40:44,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:44,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-11-23 13:40:45,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:45,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-11-23 13:40:45,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:40:45,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 23 treesize of output 15 [2022-11-23 13:41:00,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:41:00,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:41:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:41:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:41:00,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:41:00,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:41:00,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:41:00,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:41:00,523 INFO L217 Elim1Store]: Index analysis took 245 ms [2022-11-23 13:41:00,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:41:00,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 933 treesize of output 2068 [2022-11-23 13:41:00,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:41:00,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 13:41:00,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 132 [2022-11-23 13:41:00,988 INFO L217 Elim1Store]: Index analysis took 112 ms [2022-11-23 13:41:01,075 INFO L321 Elim1Store]: treesize reduction 2407, result has 0.0 percent of original size [2022-11-23 13:41:01,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 17 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 19 new quantified variables, introduced 35 case distinctions, treesize of input 6321 treesize of output 50615 [2022-11-23 13:41:01,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 5 [2022-11-23 13:41:01,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 135 treesize of output 127 [2022-11-23 13:41:01,656 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:41:01,739 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:41:34,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 13:41:34,619 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 13:41:35,749 INFO L217 Elim1Store]: Index analysis took 267 ms