./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c --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_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/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_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/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_7b102505-7d39-40b2-9f95-314e7adc1ea9/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 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee --- 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 15:21:18,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:21:18,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:21:18,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:21:18,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:21:18,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:21:18,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:21:18,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:21:18,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:21:18,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:21:18,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:21:18,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:21:18,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:21:18,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:21:18,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:21:18,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:21:18,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:21:18,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:21:18,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:21:18,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:21:18,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:21:18,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:21:18,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:21:18,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:21:18,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:21:18,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:21:18,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:21:18,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:21:18,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:21:18,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:21:18,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:21:18,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:21:18,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:21:18,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:21:18,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:21:18,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:21:18,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:21:18,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:21:18,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:21:18,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:21:18,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:21:18,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 15:21:18,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:21:18,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:21:18,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:21:18,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:21:18,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:21:18,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:21:18,584 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:21:18,584 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:21:18,584 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:21:18,585 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:21:18,586 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:21:18,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:21:18,586 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:21:18,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:21:18,587 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:21:18,587 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:21:18,587 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:21:18,587 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:21:18,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:21:18,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:21:18,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:21:18,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:21:18,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:21:18,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:21:18,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:21:18,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:21:18,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:21:18,590 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:21:18,591 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:21:18,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:21:18,591 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:21:18,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:21:18,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:21:18,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:21:18,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:21:18,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:21:18,593 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:21:18,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:21:18,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:21:18,593 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:21:18,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:21:18,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:21:18,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:21:18,594 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_7b102505-7d39-40b2-9f95-314e7adc1ea9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee [2022-11-23 15:21:18,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:21:18,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:21:18,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:21:18,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:21:18,865 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:21:18,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2022-11-23 15:21:21,786 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:21:22,057 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:21:22,057 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2022-11-23 15:21:22,065 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/data/f24a8faad/ead2e57282c94edb920275822f6f11b9/FLAG74b811351 [2022-11-23 15:21:22,088 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/data/f24a8faad/ead2e57282c94edb920275822f6f11b9 [2022-11-23 15:21:22,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:21:22,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:21:22,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:22,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:21:22,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:21:22,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599ec62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22, skipping insertion in model container [2022-11-23 15:21:22,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:21:22,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:21:22,254 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_7b102505-7d39-40b2-9f95-314e7adc1ea9/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c[416,429] [2022-11-23 15:21:22,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:22,279 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:21:22,291 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_7b102505-7d39-40b2-9f95-314e7adc1ea9/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c[416,429] [2022-11-23 15:21:22,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:22,312 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:21:22,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22 WrapperNode [2022-11-23 15:21:22,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:22,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:22,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:21:22,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:21:22,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,341 INFO L138 Inliner]: procedures = 15, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2022-11-23 15:21:22,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:22,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:21:22,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:21:22,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:21:22,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,366 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:21:22,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:21:22,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:21:22,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:21:22,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (1/1) ... [2022-11-23 15:21:22,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:21:22,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:22,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:21:22,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:21:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:21:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:21:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:21:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:21:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:21:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:21:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:21:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:21:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:21:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:21:22,523 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:21:22,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:21:22,691 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:21:22,743 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:21:22,743 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-23 15:21:22,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:22 BoogieIcfgContainer [2022-11-23 15:21:22,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:21:22,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:21:22,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:21:22,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:21:22,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:21:22" (1/3) ... [2022-11-23 15:21:22,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6ced40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:22, skipping insertion in model container [2022-11-23 15:21:22,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:22" (2/3) ... [2022-11-23 15:21:22,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6ced40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:22, skipping insertion in model container [2022-11-23 15:21:22,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:22" (3/3) ... [2022-11-23 15:21:22,763 INFO L112 eAbstractionObserver]: Analyzing ICFG copy-partial-2-n-u.c [2022-11-23 15:21:22,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:21:22,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-23 15:21:22,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:21:22,867 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;@4225f1bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:21:22,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-23 15:21:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:21:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:21:22,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:22,879 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:22,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 15:21:22,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:22,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1475097158, now seen corresponding path program 1 times [2022-11-23 15:21:22,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:22,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810594092] [2022-11-23 15:21:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:22,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:22,985 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:22,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1514572494] [2022-11-23 15:21:22,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:22,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:22,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:22,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:23,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:21:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:23,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:21:23,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:21:23,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:21:23,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:23,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810594092] [2022-11-23 15:21:23,213 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:21:23,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514572494] [2022-11-23 15:21:23,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514572494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:23,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:21:23,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:21:23,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602007477] [2022-11-23 15:21:23,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:23,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:21:23,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:23,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:21:23,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:21:23,301 INFO L87 Difference]: Start difference. First operand has 37 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:23,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:23,410 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-23 15:21:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:21:23,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 11 [2022-11-23 15:21:23,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:23,421 INFO L225 Difference]: With dead ends: 37 [2022-11-23 15:21:23,421 INFO L226 Difference]: Without dead ends: 33 [2022-11-23 15:21:23,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 15:21:23,428 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 26 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:23,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 21 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:21:23,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-23 15:21:23,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-23 15:21:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:21:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-11-23 15:21:23,471 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 11 [2022-11-23 15:21:23,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:23,473 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-11-23 15:21:23,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-11-23 15:21:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:21:23,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:23,475 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:23,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:23,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 15:21:23,681 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 15:21:23,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:23,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1475101040, now seen corresponding path program 1 times [2022-11-23 15:21:23,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:23,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518483463] [2022-11-23 15:21:23,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:23,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:23,704 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:23,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [395842772] [2022-11-23 15:21:23,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:23,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:23,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:23,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:23,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:21:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:23,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:21:23,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:21:23,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:21:23,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:23,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518483463] [2022-11-23 15:21:23,806 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:21:23,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395842772] [2022-11-23 15:21:23,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395842772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:23,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:21:23,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:21:23,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324025025] [2022-11-23 15:21:23,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:23,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:21:23,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:23,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:21:23,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:21:23,810 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:23,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:23,888 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-11-23 15:21:23,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:21:23,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 11 [2022-11-23 15:21:23,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:23,891 INFO L225 Difference]: With dead ends: 33 [2022-11-23 15:21:23,892 INFO L226 Difference]: Without dead ends: 30 [2022-11-23 15:21:23,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 15:21:23,895 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 20 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:23,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 21 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:21:23,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-23 15:21:23,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-23 15:21:23,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:21:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-11-23 15:21:23,909 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 11 [2022-11-23 15:21:23,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:23,910 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-23 15:21:23,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-23 15:21:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:21:23,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:23,912 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:23,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:24,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:24,118 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 15:21:24,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:24,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1516628422, now seen corresponding path program 1 times [2022-11-23 15:21:24,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:24,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426286493] [2022-11-23 15:21:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:24,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:24,132 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:24,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428913287] [2022-11-23 15:21:24,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:24,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:24,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:24,136 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:24,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:21:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:24,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:21:24,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:21:24,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:21:24,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:24,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426286493] [2022-11-23 15:21:24,235 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:21:24,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428913287] [2022-11-23 15:21:24,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428913287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:24,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:21:24,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:21:24,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555189907] [2022-11-23 15:21:24,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:24,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:21:24,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:24,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:21:24,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:21:24,239 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:24,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:24,318 INFO L93 Difference]: Finished difference Result 54 states and 65 transitions. [2022-11-23 15:21:24,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:21:24,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 12 [2022-11-23 15:21:24,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:24,320 INFO L225 Difference]: With dead ends: 54 [2022-11-23 15:21:24,320 INFO L226 Difference]: Without dead ends: 51 [2022-11-23 15:21:24,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 15:21:24,322 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 18 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:24,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 30 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:21:24,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-23 15:21:24,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2022-11-23 15:21:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.4871794871794872) internal successors, (58), 44 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:21:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2022-11-23 15:21:24,331 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 12 [2022-11-23 15:21:24,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:24,331 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2022-11-23 15:21:24,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:24,332 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2022-11-23 15:21:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:21:24,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:24,333 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:24,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-23 15:21:24,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:24,538 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 15:21:24,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:24,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1516508073, now seen corresponding path program 1 times [2022-11-23 15:21:24,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:24,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092028552] [2022-11-23 15:21:24,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:24,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:24,549 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:24,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2142041371] [2022-11-23 15:21:24,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:24,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:24,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:24,552 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:24,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:21:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:24,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:21:24,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:21:24,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:21:24,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:24,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092028552] [2022-11-23 15:21:24,626 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:21:24,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142041371] [2022-11-23 15:21:24,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142041371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:24,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:21:24,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:21:24,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063124471] [2022-11-23 15:21:24,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:24,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:21:24,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:24,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:21:24,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:21:24,629 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:24,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:24,691 INFO L93 Difference]: Finished difference Result 87 states and 112 transitions. [2022-11-23 15:21:24,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:21:24,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 12 [2022-11-23 15:21:24,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:24,693 INFO L225 Difference]: With dead ends: 87 [2022-11-23 15:21:24,693 INFO L226 Difference]: Without dead ends: 84 [2022-11-23 15:21:24,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 15:21:24,695 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 16 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:24,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 33 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:21:24,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-23 15:21:24,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 66. [2022-11-23 15:21:24,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 62 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:21:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2022-11-23 15:21:24,707 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 12 [2022-11-23 15:21:24,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:24,707 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2022-11-23 15:21:24,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:24,708 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2022-11-23 15:21:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:21:24,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:24,709 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:24,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:24,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:24,914 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 15:21:24,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:24,915 INFO L85 PathProgramCache]: Analyzing trace with hash -468931186, now seen corresponding path program 1 times [2022-11-23 15:21:24,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:24,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300385709] [2022-11-23 15:21:24,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:24,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:24,930 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:24,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284654240] [2022-11-23 15:21:24,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:24,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:24,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:24,934 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:24,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:21:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:25,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:21:25,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:21:25,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:21:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:21:25,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:25,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300385709] [2022-11-23 15:21:25,116 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:21:25,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284654240] [2022-11-23 15:21:25,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284654240] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:21:25,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1932618836] [2022-11-23 15:21:25,154 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-23 15:21:25,154 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:21:25,172 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:21:25,178 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:21:25,179 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:21:25,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:25,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:25,394 INFO L321 Elim1Store]: treesize reduction 90, result has 28.6 percent of original size [2022-11-23 15:21:25,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 61 [2022-11-23 15:21:25,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:25,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:25,547 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-23 15:21:25,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 44 treesize of output 69 [2022-11-23 15:21:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:26,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-23 15:21:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:26,357 INFO L321 Elim1Store]: treesize reduction 64, result has 9.9 percent of original size [2022-11-23 15:21:26,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 398 treesize of output 381 [2022-11-23 15:21:26,663 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 20 treesize of output 16 [2022-11-23 15:21:26,747 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 20 treesize of output 16 [2022-11-23 15:21:26,863 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 107 for LOIs [2022-11-23 15:21:26,946 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:21:28,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1932618836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:28,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:21:28,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3] total 11 [2022-11-23 15:21:28,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632967293] [2022-11-23 15:21:28,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:28,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:21:28,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:28,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:21:28,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:21:28,254 INFO L87 Difference]: Start difference. First operand 66 states and 86 transitions. Second operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:29,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:29,487 INFO L93 Difference]: Finished difference Result 121 states and 154 transitions. [2022-11-23 15:21:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:21:29,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2022-11-23 15:21:29,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:29,489 INFO L225 Difference]: With dead ends: 121 [2022-11-23 15:21:29,489 INFO L226 Difference]: Without dead ends: 68 [2022-11-23 15:21:29,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:21:29,490 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 66 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:29,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 12 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:21:29,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-23 15:21:29,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2022-11-23 15:21:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 60 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:21:29,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 78 transitions. [2022-11-23 15:21:29,515 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 78 transitions. Word has length 15 [2022-11-23 15:21:29,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:29,515 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 78 transitions. [2022-11-23 15:21:29,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-11-23 15:21:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 15:21:29,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:29,516 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:29,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:29,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:29,722 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 15:21:29,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:29,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1821727347, now seen corresponding path program 1 times [2022-11-23 15:21:29,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:29,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685390866] [2022-11-23 15:21:29,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:29,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:29,729 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:29,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1007700508] [2022-11-23 15:21:29,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:29,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:29,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:29,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:29,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 15:21:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:29,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:21:29,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:21:29,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:21:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:21:29,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:29,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685390866] [2022-11-23 15:21:29,877 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:21:29,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007700508] [2022-11-23 15:21:29,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007700508] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:21:29,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [912996398] [2022-11-23 15:21:29,882 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2022-11-23 15:21:29,882 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:21:29,882 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:21:29,883 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:21:29,883 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:21:29,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:29,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:29,987 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-23 15:21:29,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 44 treesize of output 69 [2022-11-23 15:21:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:30,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:30,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 47 [2022-11-23 15:21:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:30,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-23 15:21:30,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:30,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:30,439 INFO L321 Elim1Store]: treesize reduction 64, result has 9.9 percent of original size [2022-11-23 15:21:30,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 398 treesize of output 381 [2022-11-23 15:21:30,644 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 20 treesize of output 16 [2022-11-23 15:21:30,737 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 20 treesize of output 16 [2022-11-23 15:21:30,780 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 126 treesize of output 111 [2022-11-23 15:21:30,844 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 20 treesize of output 16 [2022-11-23 15:21:30,885 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 20 treesize of output 16 [2022-11-23 15:21:30,955 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-23 15:21:30,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 107 [2022-11-23 15:21:31,048 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 20 treesize of output 16 [2022-11-23 15:21:31,096 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 20 treesize of output 16 [2022-11-23 15:21:31,134 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 120 treesize of output 105 [2022-11-23 15:21:31,194 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 20 treesize of output 16 [2022-11-23 15:21:31,237 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 20 treesize of output 16 [2022-11-23 15:21:31,316 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 107 for LOIs [2022-11-23 15:21:31,364 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:21:32,955 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1137#(and (= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (= |ULTIMATE.start_main_~q~0#1| 500) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (< 2147483646 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~s~0#1| 700) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0))' at error location [2022-11-23 15:21:32,956 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 15:21:32,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:21:32,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-23 15:21:32,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127517225] [2022-11-23 15:21:32,957 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 15:21:32,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:21:32,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:32,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:21:32,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:21:32,958 INFO L87 Difference]: Start difference. First operand 64 states and 78 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:21:33,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:33,211 INFO L93 Difference]: Finished difference Result 218 states and 275 transitions. [2022-11-23 15:21:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:21:33,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 19 [2022-11-23 15:21:33,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:33,215 INFO L225 Difference]: With dead ends: 218 [2022-11-23 15:21:33,215 INFO L226 Difference]: Without dead ends: 165 [2022-11-23 15:21:33,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-11-23 15:21:33,218 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 192 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:33,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 62 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:21:33,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-23 15:21:33,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 92. [2022-11-23 15:21:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 83 states have (on average 1.2771084337349397) internal successors, (106), 88 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:21:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 110 transitions. [2022-11-23 15:21:33,274 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 110 transitions. Word has length 19 [2022-11-23 15:21:33,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:33,274 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 110 transitions. [2022-11-23 15:21:33,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:21:33,276 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2022-11-23 15:21:33,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-23 15:21:33,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:33,278 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:33,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:33,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 15:21:33,484 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 15:21:33,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:33,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1517411183, now seen corresponding path program 1 times [2022-11-23 15:21:33,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:33,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425055054] [2022-11-23 15:21:33,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:33,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:33,495 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:33,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [627237353] [2022-11-23 15:21:33,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:33,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:33,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:33,503 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:33,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:21:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:33,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:21:33,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 40 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:21:33,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:21:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 40 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:21:33,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:33,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425055054] [2022-11-23 15:21:33,767 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:21:33,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627237353] [2022-11-23 15:21:33,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627237353] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:21:33,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2109256085] [2022-11-23 15:21:33,769 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2022-11-23 15:21:33,769 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:21:33,770 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:21:33,770 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:21:33,770 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:21:33,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:33,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:33,847 INFO L321 Elim1Store]: treesize reduction 90, result has 28.6 percent of original size [2022-11-23 15:21:33,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 61 [2022-11-23 15:21:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:33,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:33,944 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-23 15:21:33,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 44 treesize of output 69 [2022-11-23 15:21:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:34,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-23 15:21:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:34,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:34,344 INFO L321 Elim1Store]: treesize reduction 70, result has 27.8 percent of original size [2022-11-23 15:21:34,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 390 treesize of output 383 [2022-11-23 15:21:34,722 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 20 treesize of output 16 [2022-11-23 15:21:34,753 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 20 treesize of output 16 [2022-11-23 15:21:34,807 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-23 15:21:34,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 113 [2022-11-23 15:21:34,917 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 20 treesize of output 16 [2022-11-23 15:21:35,002 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 20 treesize of output 16 [2022-11-23 15:21:35,054 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 20 treesize of output 16 [2022-11-23 15:21:35,124 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 20 treesize of output 16 [2022-11-23 15:21:35,158 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 120 treesize of output 105 [2022-11-23 15:21:35,216 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 20 treesize of output 16 [2022-11-23 15:21:35,263 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 20 treesize of output 16 [2022-11-23 15:21:35,320 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-23 15:21:35,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 107 [2022-11-23 15:21:35,417 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 20 treesize of output 16 [2022-11-23 15:21:35,470 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 20 treesize of output 16 [2022-11-23 15:21:35,578 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 107 for LOIs [2022-11-23 15:21:35,624 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:21:38,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2109256085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:38,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:21:38,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 8] total 21 [2022-11-23 15:21:38,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389471369] [2022-11-23 15:21:38,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:38,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:21:38,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:38,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:21:38,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:21:38,019 INFO L87 Difference]: Start difference. First operand 92 states and 110 transitions. Second operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:42,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:42,531 INFO L93 Difference]: Finished difference Result 94 states and 110 transitions. [2022-11-23 15:21:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 15:21:42,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-23 15:21:42,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:42,532 INFO L225 Difference]: With dead ends: 94 [2022-11-23 15:21:42,532 INFO L226 Difference]: Without dead ends: 92 [2022-11-23 15:21:42,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 71 SyntacticMatches, 10 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:21:42,534 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 57 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:42,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 8 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:21:42,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-23 15:21:42,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 75. [2022-11-23 15:21:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 71 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:21:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 91 transitions. [2022-11-23 15:21:42,573 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 91 transitions. Word has length 34 [2022-11-23 15:21:42,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:42,573 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 91 transitions. [2022-11-23 15:21:42,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:42,574 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2022-11-23 15:21:42,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 15:21:42,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:42,575 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:42,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:42,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:42,780 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 15:21:42,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1213049782, now seen corresponding path program 1 times [2022-11-23 15:21:42,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:42,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495167670] [2022-11-23 15:21:42,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:42,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:42,789 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:42,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209236388] [2022-11-23 15:21:42,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:42,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:42,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:42,791 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:42,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 15:21:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:42,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:21:42,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:21:42,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:21:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:21:43,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:43,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495167670] [2022-11-23 15:21:43,046 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:21:43,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209236388] [2022-11-23 15:21:43,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209236388] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:21:43,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [260281046] [2022-11-23 15:21:43,051 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-23 15:21:43,051 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:21:43,052 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:21:43,052 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:21:43,052 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:21:43,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,137 INFO L321 Elim1Store]: treesize reduction 90, result has 28.6 percent of original size [2022-11-23 15:21:43,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 61 [2022-11-23 15:21:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,238 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-23 15:21:43,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 44 treesize of output 69 [2022-11-23 15:21:43,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-23 15:21:43,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 62 [2022-11-23 15:21:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:43,727 INFO L321 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-11-23 15:21:43,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 470 treesize of output 414 [2022-11-23 15:21:43,813 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 20 treesize of output 16 [2022-11-23 15:21:44,010 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 20 treesize of output 16 [2022-11-23 15:21:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:44,027 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 49 treesize of output 38 [2022-11-23 15:21:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:44,093 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:21:44,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 190 treesize of output 140 [2022-11-23 15:21:44,161 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 20 treesize of output 16 [2022-11-23 15:21:44,289 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 20 treesize of output 16 [2022-11-23 15:21:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:44,338 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 49 treesize of output 38 [2022-11-23 15:21:44,396 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 20 treesize of output 16 [2022-11-23 15:21:44,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:44,497 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:44,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:44,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:44,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:44,599 INFO L321 Elim1Store]: treesize reduction 101, result has 39.2 percent of original size [2022-11-23 15:21:44,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 153 [2022-11-23 15:21:44,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:44,763 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:44,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:44,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:44,792 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:44,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:44,811 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 20 treesize of output 16 [2022-11-23 15:21:44,831 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 57 treesize of output 42 [2022-11-23 15:21:44,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 138 [2022-11-23 15:21:44,956 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 20 treesize of output 16 [2022-11-23 15:21:45,039 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 107 for LOIs [2022-11-23 15:21:45,092 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:21:46,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [260281046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:46,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:21:46,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8, 8] total 24 [2022-11-23 15:21:46,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216968874] [2022-11-23 15:21:46,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:46,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:21:46,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:46,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:21:46,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2022-11-23 15:21:46,254 INFO L87 Difference]: Start difference. First operand 75 states and 91 transitions. Second operand has 12 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:48,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:48,936 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2022-11-23 15:21:48,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:21:48,937 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-23 15:21:48,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:48,938 INFO L225 Difference]: With dead ends: 95 [2022-11-23 15:21:48,938 INFO L226 Difference]: Without dead ends: 91 [2022-11-23 15:21:48,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 78 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=272, Invalid=784, Unknown=0, NotChecked=0, Total=1056 [2022-11-23 15:21:48,939 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 106 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:48,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 4 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:21:48,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-23 15:21:48,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 59. [2022-11-23 15:21:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 55 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:21:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-11-23 15:21:48,966 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 35 [2022-11-23 15:21:48,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:48,966 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-11-23 15:21:48,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-11-23 15:21:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 15:21:48,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:48,971 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:48,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 15:21:49,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:49,176 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 15:21:49,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:49,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1532724274, now seen corresponding path program 1 times [2022-11-23 15:21:49,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:49,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038779655] [2022-11-23 15:21:49,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:49,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:49,211 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:21:49,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1267604405] [2022-11-23 15:21:49,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:49,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:21:49,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:49,212 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:21:49,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 15:21:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:49,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:21:49,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:21:49,393 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-23 15:21:49,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:21:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-23 15:21:49,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:49,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038779655] [2022-11-23 15:21:49,479 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:21:49,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267604405] [2022-11-23 15:21:49,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267604405] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:21:49,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [269150875] [2022-11-23 15:21:49,482 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-23 15:21:49,482 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:21:49,482 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:21:49,482 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:21:49,483 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:21:49,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:49,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:49,556 INFO L321 Elim1Store]: treesize reduction 90, result has 28.6 percent of original size [2022-11-23 15:21:49,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 61 [2022-11-23 15:21:49,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:49,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:49,653 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-23 15:21:49,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 44 treesize of output 69 [2022-11-23 15:21:49,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:49,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2022-11-23 15:21:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:49,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-23 15:21:50,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:50,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:50,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:50,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:50,078 INFO L321 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-23 15:21:50,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 462 treesize of output 410 [2022-11-23 15:21:50,165 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 20 treesize of output 16 [2022-11-23 15:21:50,356 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 20 treesize of output 16 [2022-11-23 15:21:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:50,373 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 49 treesize of output 38 [2022-11-23 15:21:50,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:50,436 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:21:50,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 190 treesize of output 140 [2022-11-23 15:21:50,504 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 20 treesize of output 16 [2022-11-23 15:21:50,600 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 20 treesize of output 16 [2022-11-23 15:21:50,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:50,664 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 49 treesize of output 38 [2022-11-23 15:21:50,710 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 20 treesize of output 16 [2022-11-23 15:21:50,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:50,801 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:50,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:50,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:50,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:50,883 INFO L321 Elim1Store]: treesize reduction 101, result has 39.2 percent of original size [2022-11-23 15:21:50,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 153 [2022-11-23 15:21:51,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,096 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,140 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,244 INFO L321 Elim1Store]: treesize reduction 109, result has 34.3 percent of original size [2022-11-23 15:21:51,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 145 [2022-11-23 15:21:51,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,360 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,448 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,505 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,566 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,633 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,722 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,785 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:21:51,854 INFO L321 Elim1Store]: treesize reduction 26, result has 38.1 percent of original size [2022-11-23 15:21:51,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2022-11-23 15:21:51,875 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 20 treesize of output 16 [2022-11-23 15:21:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:51,898 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 49 treesize of output 38 [2022-11-23 15:21:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:21:51,961 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-23 15:21:51,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 134 [2022-11-23 15:21:52,018 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 20 treesize of output 16 [2022-11-23 15:21:52,125 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 107 for LOIs [2022-11-23 15:21:52,175 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:21:53,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [269150875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:53,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:21:53,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8, 8] total 26 [2022-11-23 15:21:53,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997350171] [2022-11-23 15:21:53,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:53,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-23 15:21:53,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:53,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 15:21:53,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:21:53,579 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 14 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:56,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:21:56,148 INFO L93 Difference]: Finished difference Result 75 states and 89 transitions. [2022-11-23 15:21:56,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:21:56,148 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-11-23 15:21:56,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:21:56,149 INFO L225 Difference]: With dead ends: 75 [2022-11-23 15:21:56,149 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:21:56,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 97 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=254, Invalid=868, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 15:21:56,150 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 82 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:21:56,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 5 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:21:56,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:21:56,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:21:56,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:21:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:21:56,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-11-23 15:21:56,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:21:56,156 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:21:56,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:21:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:21:56,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:21:56,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-23 15:21:56,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-23 15:21:56,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-23 15:21:56,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-23 15:21:56,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-23 15:21:56,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-23 15:21:56,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-23 15:21:56,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-23 15:21:56,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-23 15:21:56,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-23 15:21:56,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-23 15:21:56,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-23 15:21:56,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-23 15:21:56,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-23 15:21:56,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:22:02,125 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-23 15:22:02,125 INFO L899 garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed. [2022-11-23 15:22:02,125 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-23 15:22:02,125 INFO L899 garLoopResultBuilder]: For program point L69(line 69) no Hoare annotation was computed. [2022-11-23 15:22:02,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-23 15:22:02,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:22:02,126 INFO L895 garLoopResultBuilder]: At program point L61-2(lines 61 70) the Hoare annotation is: (let ((.cse20 (select |#memory_int| 1)) (.cse21 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1|) 1073741824) 4))) (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= .cse21 (select |#length| |ULTIMATE.start_main_~#B~0#1.base|))) (.cse2 (= (select |#length| 3) 12)) (.cse3 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|)) (.cse4 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|)) (.cse5 (= 2 (select |#length| 1))) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1)) (.cse8 (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse21)) (.cse9 (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1)) (.cse10 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse11 (= (select |#valid| 1) 1)) (.cse12 (= (select |#valid| 0) 0)) (.cse13 (= (select |#valid| 2) 1)) (.cse14 (= (select .cse20 0) 48)) (.cse15 (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|))) (.cse16 (= (select .cse20 1) 0)) (.cse17 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse18 (< 0 |#StackHeapBarrier|)) (.cse19 (= |#NULL.base| 0))) (or (and .cse0 (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 500 |ULTIMATE.start_main_~q~0#1|) (<= 700 |ULTIMATE.start_main_~s~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= |ULTIMATE.start_main_~q~0#1| 500) .cse3 (<= 0 |ULTIMATE.start_main_~#B~0#1.offset|) .cse4 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 1000 |ULTIMATE.start_main_~m~0#1|) .cse5 .cse6 .cse7 (<= |#NULL.offset| 0) .cse8 .cse9 .cse10 (<= 0 |ULTIMATE.start_main_~#A~0#1.offset|) .cse11 .cse12 (<= |ULTIMATE.start_main_~s~0#1| 700) .cse13 .cse14 .cse15 (= |ULTIMATE.start_main_~j~0#1| 0) (<= 0 |#NULL.offset|) .cse16 .cse17 .cse18 .cse19) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~m~0#1| 1000) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_main_~q~0#1| 500) .cse7 .cse8 (<= |ULTIMATE.start_main_~i~0#1| 1000) .cse9 (= |ULTIMATE.start_main_~#A~0#1.offset| 0) .cse10 .cse11 (<= |ULTIMATE.start_main_~j~0#1| 2147483647) .cse12 (<= 700 |ULTIMATE.start_main_~j~0#1|) .cse13 (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~s~0#1| 700) .cse14 .cse15 (= |ULTIMATE.start_main_~#B~0#1.offset| 0) .cse16 .cse17 .cse18 .cse19)))) [2022-11-23 15:22:02,126 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-23 15:22:02,126 INFO L895 garLoopResultBuilder]: At program point L45-2(lines 45 54) the Hoare annotation is: (let ((.cse20 (select |#memory_int| 1)) (.cse21 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1|) 1073741824) 4))) (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= .cse21 (select |#length| |ULTIMATE.start_main_~#B~0#1.base|))) (.cse2 (= (select |#length| 3) 12)) (.cse3 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|)) (.cse4 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|)) (.cse5 (= 2 (select |#length| 1))) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1)) (.cse8 (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse21)) (.cse9 (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1)) (.cse10 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse11 (= (select |#valid| 1) 1)) (.cse12 (= (select |#valid| 0) 0)) (.cse13 (= (select |#valid| 2) 1)) (.cse14 (= (select .cse20 0) 48)) (.cse15 (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|))) (.cse16 (= (select .cse20 1) 0)) (.cse17 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse18 (< 0 |#StackHeapBarrier|)) (.cse19 (= |#NULL.base| 0))) (or (and .cse0 (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 500 |ULTIMATE.start_main_~q~0#1|) (<= 700 |ULTIMATE.start_main_~s~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= |ULTIMATE.start_main_~q~0#1| 500) .cse3 (<= 0 |ULTIMATE.start_main_~#B~0#1.offset|) .cse4 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 1000 |ULTIMATE.start_main_~m~0#1|) .cse5 .cse6 .cse7 (<= |#NULL.offset| 0) .cse8 .cse9 .cse10 (<= 0 |ULTIMATE.start_main_~#A~0#1.offset|) .cse11 .cse12 (<= |ULTIMATE.start_main_~s~0#1| 700) .cse13 .cse14 .cse15 (= |ULTIMATE.start_main_~j~0#1| 0) (<= 0 |#NULL.offset|) .cse16 .cse17 .cse18 .cse19) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~m~0#1| 1000) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_main_~q~0#1| 500) .cse7 .cse8 (<= |ULTIMATE.start_main_~i~0#1| 1000) .cse9 (= |ULTIMATE.start_main_~#A~0#1.offset| 0) .cse10 .cse11 (<= |ULTIMATE.start_main_~j~0#1| 2147483647) .cse12 (<= 700 |ULTIMATE.start_main_~j~0#1|) .cse13 (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~s~0#1| 700) .cse14 .cse15 (= |ULTIMATE.start_main_~#B~0#1.offset| 0) .cse16 .cse17 .cse18 .cse19)))) [2022-11-23 15:22:02,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-23 15:22:02,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-23 15:22:02,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-23 15:22:02,127 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-23 15:22:02,127 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-23 15:22:02,127 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 63 68) the Hoare annotation is: (let ((.cse0 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1|) 1073741824) 4)) (.cse1 (select |#memory_int| 1))) (and (= 21 (select |#length| 2)) (= .cse0 (select |#length| |ULTIMATE.start_main_~#B~0#1.base|)) (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~m~0#1| 1000) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~q~0#1| 500) (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1) (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse0) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~j~0#1| 2147483647) (= (select |#valid| 0) 0) (<= |ULTIMATE.start_main_~i~0#1| 500) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~s~0#1| 700) (= (select .cse1 0) 48) (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|)) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (= (select .cse1 1) 0) (= |ULTIMATE.start_main_~n~0#1| 1500) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:22:02,127 INFO L899 garLoopResultBuilder]: For program point L63-3(lines 63 68) no Hoare annotation was computed. [2022-11-23 15:22:02,128 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 47 52) the Hoare annotation is: (let ((.cse0 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1|) 1073741824) 4)) (.cse1 (select |#memory_int| 1))) (and (= 21 (select |#length| 2)) (= .cse0 (select |#length| |ULTIMATE.start_main_~#B~0#1.base|)) (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~m~0#1| 1000) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~q~0#1| 500) (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1) (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse0) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~j~0#1| 2147483647) (= (select |#valid| 0) 0) (<= |ULTIMATE.start_main_~i~0#1| 500) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~s~0#1| 700) (= (select .cse1 0) 48) (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|)) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (= (select .cse1 1) 0) (= |ULTIMATE.start_main_~n~0#1| 1500) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:22:02,128 INFO L899 garLoopResultBuilder]: For program point L47-3(lines 47 52) no Hoare annotation was computed. [2022-11-23 15:22:02,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-23 15:22:02,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 69) no Hoare annotation was computed. [2022-11-23 15:22:02,128 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-23 15:22:02,128 INFO L895 garLoopResultBuilder]: At program point L32-2(lines 32 41) the Hoare annotation is: (let ((.cse19 (select |#memory_int| 1)) (.cse20 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1|) 1073741824) 4))) (let ((.cse0 (= 21 (select |#length| 2))) (.cse1 (= .cse20 (select |#length| |ULTIMATE.start_main_~#B~0#1.base|))) (.cse2 (= (select |#length| 3) 12)) (.cse3 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|)) (.cse4 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|)) (.cse5 (= 2 (select |#length| 1))) (.cse6 (= (select |#valid| 3) 1)) (.cse7 (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1)) (.cse8 (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse20)) (.cse9 (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1)) (.cse10 (= (select |#valid| 1) 1)) (.cse11 (= (select |#valid| 0) 0)) (.cse12 (= (select |#valid| 2) 1)) (.cse13 (= (select .cse19 0) 48)) (.cse14 (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|))) (.cse15 (= (select .cse19 1) 0)) (.cse16 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse17 (< 0 |#StackHeapBarrier|)) (.cse18 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~m~0#1| 1000) .cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 1500 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse4 .cse5 .cse6 (= |ULTIMATE.start_main_~q~0#1| 500) .cse7 .cse8 .cse9 (= |ULTIMATE.start_main_~#A~0#1.offset| 0) .cse10 (<= |ULTIMATE.start_main_~j~0#1| 2147483647) .cse11 .cse12 (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~s~0#1| 700) .cse13 .cse14 (= |ULTIMATE.start_main_~#B~0#1.offset| 0) .cse15 .cse16 .cse17 .cse18) (and .cse0 (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 500 |ULTIMATE.start_main_~q~0#1|) (<= 700 |ULTIMATE.start_main_~s~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= |ULTIMATE.start_main_~q~0#1| 500) .cse3 (<= 0 |ULTIMATE.start_main_~#B~0#1.offset|) .cse4 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 1000 |ULTIMATE.start_main_~m~0#1|) .cse5 .cse6 .cse7 (<= |#NULL.offset| 0) .cse8 .cse9 (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_main_~#A~0#1.offset|) .cse10 .cse11 (<= |ULTIMATE.start_main_~s~0#1| 700) .cse12 .cse13 .cse14 (= |ULTIMATE.start_main_~j~0#1| 0) (<= 0 |#NULL.offset|) .cse15 .cse16 .cse17 .cse18)))) [2022-11-23 15:22:02,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-23 15:22:02,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:22:02,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-23 15:22:02,129 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-11-23 15:22:02,129 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-23 15:22:02,130 INFO L895 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: (let ((.cse0 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1|) 1073741824) 4)) (.cse4 (select |#memory_int| 1))) (and (= 21 (select |#length| 2)) (= .cse0 (select |#length| |ULTIMATE.start_main_~#B~0#1.base|)) (= (select |#length| 3) 12) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|) (let ((.cse1 (= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse2 (= |ULTIMATE.start_main_~q~0#1| 500)) (.cse3 (<= 0 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse1 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse2 .cse3 (<= |ULTIMATE.start_main_~i~0#1| 1000)) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3))) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1) (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse0) (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~j~0#1| 2147483647) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~s~0#1| 700) (= (select .cse4 0) 48) (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|)) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (= (select .cse4 1) 0) (= |ULTIMATE.start_main_~n~0#1| 1500) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:22:02,130 INFO L899 garLoopResultBuilder]: For program point L34-3(lines 34 39) no Hoare annotation was computed. [2022-11-23 15:22:02,130 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-23 15:22:02,130 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1|) 1073741824) 4)) (.cse1 (select |#memory_int| 1))) (and (= 21 (select |#length| 2)) (= .cse0 (select |#length| |ULTIMATE.start_main_~#B~0#1.base|)) (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~m~0#1| 1000) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~q~0#1| 500) (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1) (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse0) (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~s~0#1| 700) (= (select .cse1 0) 48) (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|)) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (= (select .cse1 1) 0) (= |ULTIMATE.start_main_~n~0#1| 1500) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:22:02,131 INFO L895 garLoopResultBuilder]: At program point L26-1(line 26) the Hoare annotation is: (let ((.cse0 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1|) 1073741824) 4)) (.cse1 (select |#memory_int| 1))) (and (= 21 (select |#length| 2)) (= .cse0 (select |#length| |ULTIMATE.start_main_~#B~0#1.base|)) (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~m~0#1| 1000) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~q~0#1| 500) (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1) (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse0) (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~s~0#1| 700) (= (select .cse1 0) 48) (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|)) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (= (select .cse1 1) 0) (= |ULTIMATE.start_main_~n~0#1| 1500) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-23 15:22:02,131 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-23 15:22:02,131 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-23 15:22:02,131 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-23 15:22:02,131 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-11-23 15:22:02,131 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-11-23 15:22:02,135 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:22:02,136 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:22:02,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:22:02 BoogieIcfgContainer [2022-11-23 15:22:02,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:22:02,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:22:02,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:22:02,175 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:22:02,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:22" (3/4) ... [2022-11-23 15:22:02,179 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:22:02,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 15:22:02,188 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-23 15:22:02,189 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-23 15:22:02,189 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:22:02,189 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:22:02,239 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:22:02,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:22:02,239 INFO L158 Benchmark]: Toolchain (without parser) took 40146.35ms. Allocated memory was 132.1MB in the beginning and 251.7MB in the end (delta: 119.5MB). Free memory was 99.9MB in the beginning and 185.7MB in the end (delta: -85.8MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-23 15:22:02,240 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:22:02,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.94ms. Allocated memory is still 132.1MB. Free memory was 99.9MB in the beginning and 89.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 15:22:02,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.65ms. Allocated memory is still 132.1MB. Free memory was 89.1MB in the beginning and 87.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:22:02,241 INFO L158 Benchmark]: Boogie Preprocessor took 41.36ms. Allocated memory is still 132.1MB. Free memory was 87.4MB in the beginning and 86.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:22:02,241 INFO L158 Benchmark]: RCFGBuilder took 359.98ms. Allocated memory is still 132.1MB. Free memory was 86.1MB in the beginning and 70.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 15:22:02,242 INFO L158 Benchmark]: TraceAbstraction took 39424.88ms. Allocated memory was 132.1MB in the beginning and 251.7MB in the end (delta: 119.5MB). Free memory was 69.7MB in the beginning and 188.8MB in the end (delta: -119.2MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2022-11-23 15:22:02,242 INFO L158 Benchmark]: Witness Printer took 64.49ms. Allocated memory is still 251.7MB. Free memory was 188.8MB in the beginning and 185.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:22:02,251 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.94ms. Allocated memory is still 132.1MB. Free memory was 99.9MB in the beginning and 89.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.65ms. Allocated memory is still 132.1MB. Free memory was 89.1MB in the beginning and 87.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.36ms. Allocated memory is still 132.1MB. Free memory was 87.4MB in the beginning and 86.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.98ms. Allocated memory is still 132.1MB. Free memory was 86.1MB in the beginning and 70.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 39424.88ms. Allocated memory was 132.1MB in the beginning and 251.7MB in the end (delta: 119.5MB). Free memory was 69.7MB in the beginning and 188.8MB in the end (delta: -119.2MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. * Witness Printer took 64.49ms. Allocated memory is still 251.7MB. Free memory was 188.8MB in the beginning and 185.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 39.3s, OverallIterations: 9, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 583 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 583 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 984 IncrementalHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 234 mSolverCounterUnsat, 110 mSDtfsCounter, 984 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 494 GetRequests, 353 SyntacticMatches, 21 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1178 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=6, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 147 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 10 PreInvPairs, 37 NumberOfFragments, 1481 HoareAnnotationTreeSize, 10 FomulaSimplifications, 768 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 18496 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 856 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1048 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 204/344 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 8.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 73, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 279, TOOLS_POST_TIME: 6.1s, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME: 0.6s, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 319, TOOLS_QUANTIFIERELIM_TIME: 6.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 531, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 53, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 40, DOMAIN_WIDEN_TIME: 0.5s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 64, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 73, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 24, LOOP_SUMMARIZER_CACHE_MISSES: 24, LOOP_SUMMARIZER_OVERALL_TIME: 5.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 64, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1848, DAG_COMPRESSION_RETAINED_NODES: 245, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((21 == unknown-#length-unknown[2] && m * n % 1073741824 * 4 == unknown-#length-unknown[B]) && unknown-#length-unknown[3] == 12) && m == 1000) && unknown-#StackHeapBarrier-unknown < A) && 1 <= i) && 1500 <= j) && i <= 2147483647) && unknown-#StackHeapBarrier-unknown < B) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && q == 500) && \valid[A] == 1) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && \valid[B] == 1) && A == 0) && \valid[1] == 1) && j <= 2147483647) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && s == 700) && unknown-#memory_int-unknown[1][0] == 48) && !(B == A)) && B == 0) && unknown-#memory_int-unknown[1][1] == 0) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((((((((((((((((21 == unknown-#length-unknown[2] && m <= 1000) && 500 <= q) && 700 <= s) && m * n % 1073741824 * 4 == unknown-#length-unknown[B]) && unknown-#length-unknown[3] == 12) && B <= 0) && A <= 0) && q <= 500) && unknown-#StackHeapBarrier-unknown < A) && 0 <= B) && unknown-#StackHeapBarrier-unknown < B) && i <= 0) && 1000 <= m) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && \valid[A] == 1) && #NULL <= 0) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && \valid[B] == 1) && 0 <= i) && 0 <= A) && \valid[1] == 1) && \valid[0] == 0) && s <= 700) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && !(B == A)) && j == 0) && 0 <= #NULL) && unknown-#memory_int-unknown[1][1] == 0) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((21 == unknown-#length-unknown[2] && m * n % 1073741824 * 4 == unknown-#length-unknown[B]) && unknown-#length-unknown[3] == 12) && m == 1000) && unknown-#StackHeapBarrier-unknown < A) && unknown-#StackHeapBarrier-unknown < B) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && q == 500) && \valid[A] == 1) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && 0 <= j) && \valid[B] == 1) && A == 0) && 0 <= i) && \valid[1] == 1) && j <= 2147483647) && \valid[0] == 0) && i <= 500) && \valid[2] == 1) && #NULL == 0) && s == 700) && unknown-#memory_int-unknown[1][0] == 48) && !(B == A)) && B == 0) && unknown-#memory_int-unknown[1][1] == 0) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((21 == unknown-#length-unknown[2] && m <= 1000) && 500 <= q) && 700 <= s) && m * n % 1073741824 * 4 == unknown-#length-unknown[B]) && unknown-#length-unknown[3] == 12) && B <= 0) && A <= 0) && q <= 500) && unknown-#StackHeapBarrier-unknown < A) && 0 <= B) && unknown-#StackHeapBarrier-unknown < B) && i <= 0) && 1000 <= m) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && \valid[A] == 1) && #NULL <= 0) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && \valid[B] == 1) && 0 <= i) && 0 <= A) && \valid[1] == 1) && \valid[0] == 0) && s <= 700) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && !(B == A)) && j == 0) && 0 <= #NULL) && unknown-#memory_int-unknown[1][1] == 0) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((21 == unknown-#length-unknown[2] && m * n % 1073741824 * 4 == unknown-#length-unknown[B]) && unknown-#length-unknown[3] == 12) && m == 1000) && unknown-#StackHeapBarrier-unknown < A) && unknown-#StackHeapBarrier-unknown < B) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && q == 500) && \valid[A] == 1) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && i <= 1000) && \valid[B] == 1) && A == 0) && 0 <= i) && \valid[1] == 1) && j <= 2147483647) && \valid[0] == 0) && 700 <= j) && \valid[2] == 1) && #NULL == 0) && s == 700) && unknown-#memory_int-unknown[1][0] == 48) && !(B == A)) && B == 0) && unknown-#memory_int-unknown[1][1] == 0) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((21 == unknown-#length-unknown[2] && m * n % 1073741824 * 4 == unknown-#length-unknown[B]) && unknown-#length-unknown[3] == 12) && m == 1000) && unknown-#StackHeapBarrier-unknown < A) && unknown-#StackHeapBarrier-unknown < B) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && q == 500) && \valid[A] == 1) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && 0 <= j) && \valid[B] == 1) && A == 0) && 0 <= i) && \valid[1] == 1) && j <= 2147483647) && \valid[0] == 0) && i <= 500) && \valid[2] == 1) && #NULL == 0) && s == 700) && unknown-#memory_int-unknown[1][0] == 48) && !(B == A)) && B == 0) && unknown-#memory_int-unknown[1][1] == 0) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((21 == unknown-#length-unknown[2] && m <= 1000) && 500 <= q) && 700 <= s) && m * n % 1073741824 * 4 == unknown-#length-unknown[B]) && unknown-#length-unknown[3] == 12) && B <= 0) && A <= 0) && q <= 500) && unknown-#StackHeapBarrier-unknown < A) && 0 <= B) && unknown-#StackHeapBarrier-unknown < B) && i <= 0) && 1000 <= m) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && \valid[A] == 1) && #NULL <= 0) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && \valid[B] == 1) && 0 <= i) && 0 <= A) && \valid[1] == 1) && \valid[0] == 0) && s <= 700) && \valid[2] == 1) && unknown-#memory_int-unknown[1][0] == 48) && !(B == A)) && j == 0) && 0 <= #NULL) && unknown-#memory_int-unknown[1][1] == 0) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((21 == unknown-#length-unknown[2] && m * n % 1073741824 * 4 == unknown-#length-unknown[B]) && unknown-#length-unknown[3] == 12) && m == 1000) && unknown-#StackHeapBarrier-unknown < A) && unknown-#StackHeapBarrier-unknown < B) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && q == 500) && \valid[A] == 1) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && i <= 1000) && \valid[B] == 1) && A == 0) && 0 <= i) && \valid[1] == 1) && j <= 2147483647) && \valid[0] == 0) && 700 <= j) && \valid[2] == 1) && #NULL == 0) && s == 700) && unknown-#memory_int-unknown[1][0] == 48) && !(B == A)) && B == 0) && unknown-#memory_int-unknown[1][1] == 0) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((21 == unknown-#length-unknown[2] && m * n % 1073741824 * 4 == unknown-#length-unknown[B]) && unknown-#length-unknown[3] == 12) && unknown-#StackHeapBarrier-unknown < A) && (((((m == 1000 && 1 <= i) && q == 500) && 0 <= j) && i <= 1000) || (((i == 0 && m == 1000) && q == 500) && 0 <= j))) && unknown-#StackHeapBarrier-unknown < B) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && \valid[A] == 1) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && \valid[B] == 1) && A == 0) && \valid[1] == 1) && j <= 2147483647) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && s == 700) && unknown-#memory_int-unknown[1][0] == 48) && !(B == A)) && B == 0) && unknown-#memory_int-unknown[1][1] == 0) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:22:02,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b102505-7d39-40b2-9f95-314e7adc1ea9/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE