./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 --- 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-e04fb08 [2022-11-16 19:48:14,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:48:14,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:48:14,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:48:14,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:48:14,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:48:14,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:48:14,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:48:14,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:48:14,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:48:14,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:48:14,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:48:14,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:48:14,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:48:14,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:48:14,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:48:14,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:48:14,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:48:14,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:48:14,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:48:14,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:48:14,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:48:14,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:48:14,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:48:14,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:48:14,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:48:14,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:48:14,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:48:14,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:48:14,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:48:14,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:48:14,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:48:14,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:48:14,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:48:14,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:48:14,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:48:14,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:48:14,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:48:14,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:48:14,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:48:14,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:48:14,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 19:48:14,655 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:48:14,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:48:14,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:48:14,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:48:14,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:48:14,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:48:14,658 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:48:14,659 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:48:14,659 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:48:14,659 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:48:14,660 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:48:14,660 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:48:14,661 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:48:14,661 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:48:14,661 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:48:14,662 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:48:14,662 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:48:14,662 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:48:14,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:48:14,663 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 19:48:14,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:48:14,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 19:48:14,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:48:14,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:48:14,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:48:14,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:48:14,666 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 19:48:14,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:48:14,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:48:14,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:48:14,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:48:14,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:48:14,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:48:14,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:48:14,669 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:48:14,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:48:14,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:48:14,670 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:48:14,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:48:14,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:48:14,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:48:14,671 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_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2022-11-16 19:48:14,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:48:15,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:48:15,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:48:15,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:48:15,006 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:48:15,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-16 19:48:15,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/data/ea032e97a/e23594a3808f419699d7a98fbe444c29/FLAG807479894 [2022-11-16 19:48:15,654 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:48:15,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-11-16 19:48:15,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/data/ea032e97a/e23594a3808f419699d7a98fbe444c29/FLAG807479894 [2022-11-16 19:48:15,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/data/ea032e97a/e23594a3808f419699d7a98fbe444c29 [2022-11-16 19:48:15,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:48:15,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:48:15,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:48:15,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:48:15,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:48:15,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:15" (1/1) ... [2022-11-16 19:48:15,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381329a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:15, skipping insertion in model container [2022-11-16 19:48:15,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:15" (1/1) ... [2022-11-16 19:48:15,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:48:16,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:48:16,402 WARN L229 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_ca372638-2750-4b69-b83d-101e3899838c/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-16 19:48:16,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:48:16,416 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:48:16,463 WARN L229 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_ca372638-2750-4b69-b83d-101e3899838c/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-11-16 19:48:16,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:48:16,493 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:48:16,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16 WrapperNode [2022-11-16 19:48:16,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:48:16,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:48:16,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:48:16,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:48:16,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,544 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2022-11-16 19:48:16,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:48:16,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:48:16,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:48:16,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:48:16,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,576 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:48:16,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:48:16,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:48:16,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:48:16,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (1/1) ... [2022-11-16 19:48:16,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:48:16,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:48:16,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:48:16,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:48:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:48:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:48:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:48:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:48:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:48:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:48:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:48:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:48:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:48:16,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:48:16,848 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:48:16,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:48:17,175 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:48:17,270 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:48:17,270 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 19:48:17,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:48:17 BoogieIcfgContainer [2022-11-16 19:48:17,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:48:17,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:48:17,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:48:17,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:48:17,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:48:15" (1/3) ... [2022-11-16 19:48:17,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeb10ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:17, skipping insertion in model container [2022-11-16 19:48:17,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:16" (2/3) ... [2022-11-16 19:48:17,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeb10ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:17, skipping insertion in model container [2022-11-16 19:48:17,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:48:17" (3/3) ... [2022-11-16 19:48:17,285 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-1.i [2022-11-16 19:48:17,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:48:17,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:48:17,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:48:17,409 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;@45994425, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:48:17,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:48:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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) [2022-11-16 19:48:17,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 19:48:17,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:48:17,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-16 19:48:17,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:48:17,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:48:17,433 INFO L85 PathProgramCache]: Analyzing trace with hash -388181351, now seen corresponding path program 1 times [2022-11-16 19:48:17,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:48:17,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704732124] [2022-11-16 19:48:17,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:48:17,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:48:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:48:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:48:17,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:48:17,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704732124] [2022-11-16 19:48:17,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704732124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:48:17,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:48:17,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:48:17,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764227534] [2022-11-16 19:48:17,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:48:17,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:48:17,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:48:17,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:48:17,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:48:17,884 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-16 19:48:18,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:48:18,017 INFO L93 Difference]: Finished difference Result 25 states and 37 transitions. [2022-11-16 19:48:18,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:48:18,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-16 19:48:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:48:18,030 INFO L225 Difference]: With dead ends: 25 [2022-11-16 19:48:18,031 INFO L226 Difference]: Without dead ends: 12 [2022-11-16 19:48:18,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:48:18,039 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:48:18,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 18 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 19:48:18,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-16 19:48:18,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-16 19:48:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-11-16 19:48:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-16 19:48:18,082 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 6 [2022-11-16 19:48:18,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:48:18,083 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-16 19:48:18,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-16 19:48:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-11-16 19:48:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 19:48:18,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:48:18,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:48:18,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:48:18,086 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:48:18,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:48:18,087 INFO L85 PathProgramCache]: Analyzing trace with hash 249157005, now seen corresponding path program 1 times [2022-11-16 19:48:18,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:48:18,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178657822] [2022-11-16 19:48:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:48:18,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:48:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:48:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:48:18,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:48:18,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178657822] [2022-11-16 19:48:18,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178657822] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:48:18,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063893065] [2022-11-16 19:48:18,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:48:18,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:48:18,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:48:18,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:48:18,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:48:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:48:18,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 19:48:18,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:48:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:48:18,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:48:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:48:18,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063893065] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:48:18,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1680654162] [2022-11-16 19:48:18,696 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 19:48:18,696 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:48:18,701 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:48:18,708 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:48:18,708 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:48:18,949 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 19:48:18,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-16 19:48:19,025 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:48:19,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 19:48:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2022-11-16 19:48:19,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-16 19:48:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-16 19:48:19,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-16 19:48:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:19,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-16 19:48:19,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-16 19:48:19,573 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 19:48:19,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 19:48:19,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-16 19:48:20,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:20,333 INFO L217 Elim1Store]: Index analysis took 341 ms [2022-11-16 19:48:20,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:20,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:20,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:20,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:21,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:21,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:21,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:22,893 INFO L321 Elim1Store]: treesize reduction 83, result has 28.4 percent of original size [2022-11-16 19:48:22,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 339 treesize of output 339 [2022-11-16 19:48:23,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,209 INFO L217 Elim1Store]: Index analysis took 204 ms [2022-11-16 19:48:23,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:23,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:23,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:23,834 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-16 19:48:23,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 351 treesize of output 348 [2022-11-16 19:48:23,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:23,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,024 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 315 treesize of output 306 [2022-11-16 19:48:24,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,218 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 315 treesize of output 306 [2022-11-16 19:48:24,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,342 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 319 treesize of output 306 [2022-11-16 19:48:24,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,448 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 319 treesize of output 306 [2022-11-16 19:48:24,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,531 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 319 treesize of output 306 [2022-11-16 19:48:24,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,590 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 319 treesize of output 306 [2022-11-16 19:48:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:24,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:24,710 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2022-11-16 19:48:24,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 462 treesize of output 485 [2022-11-16 19:48:24,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:24,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:24,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 539 treesize of output 569 [2022-11-16 19:48:24,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:24,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 65 [2022-11-16 19:48:24,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-16 19:48:24,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2022-11-16 19:48:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:25,077 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-16 19:48:25,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 525 treesize of output 492 [2022-11-16 19:48:25,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 267 [2022-11-16 19:48:25,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 203 [2022-11-16 19:48:25,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2022-11-16 19:48:25,857 INFO L321 Elim1Store]: treesize reduction 112, result has 22.8 percent of original size [2022-11-16 19:48:25,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 694 treesize of output 707 [2022-11-16 19:48:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,034 INFO L321 Elim1Store]: treesize reduction 144, result has 25.4 percent of original size [2022-11-16 19:48:26,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 693 treesize of output 721 [2022-11-16 19:48:26,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-16 19:48:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:26,596 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-16 19:48:26,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-16 19:48:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:26,768 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-16 19:48:26,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-16 19:48:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-16 19:48:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-16 19:48:26,946 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-16 19:48:26,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 56 [2022-11-16 19:48:26,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:26,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 38 [2022-11-16 19:48:27,076 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-16 19:48:27,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-16 19:48:27,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-16 19:48:27,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-16 19:48:27,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 19:48:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:27,646 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-16 19:48:27,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-16 19:48:27,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:27,789 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-16 19:48:27,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-16 19:48:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-16 19:48:27,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-16 19:48:27,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 55 [2022-11-16 19:48:27,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:27,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-16 19:48:27,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:48:28,134 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-16 19:48:28,140 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 143 [2022-11-16 19:48:28,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:28,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:28,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 83 [2022-11-16 19:48:28,394 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:48:29,212 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '121#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-16 19:48:29,212 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 19:48:29,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 19:48:29,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-16 19:48:29,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314280202] [2022-11-16 19:48:29,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 19:48:29,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 19:48:29,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:48:29,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 19:48:29,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-16 19:48:29,217 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:48:29,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:48:29,507 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2022-11-16 19:48:29,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 19:48:29,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 19:48:29,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:48:29,508 INFO L225 Difference]: With dead ends: 24 [2022-11-16 19:48:29,508 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 19:48:29,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-16 19:48:29,510 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 19:48:29,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 21 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 19:48:29,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 19:48:29,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-16 19:48:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 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) [2022-11-16 19:48:29,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-16 19:48:29,515 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 8 [2022-11-16 19:48:29,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:48:29,516 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-16 19:48:29,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:48:29,516 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-16 19:48:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 19:48:29,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:48:29,517 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2022-11-16 19:48:29,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:48:29,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:48:29,724 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:48:29,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:48:29,725 INFO L85 PathProgramCache]: Analyzing trace with hash -555724695, now seen corresponding path program 2 times [2022-11-16 19:48:29,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:48:29,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386705052] [2022-11-16 19:48:29,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:48:29,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:48:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:48:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:48:30,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:48:30,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386705052] [2022-11-16 19:48:30,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386705052] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:48:30,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934303791] [2022-11-16 19:48:30,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 19:48:30,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:48:30,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:48:30,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:48:30,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:48:32,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-16 19:48:32,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 19:48:32,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 19:48:32,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:48:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:48:32,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:48:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:48:32,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934303791] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:48:32,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1212157538] [2022-11-16 19:48:32,280 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-16 19:48:32,294 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:48:32,295 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:48:32,295 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:48:32,296 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:48:32,369 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 19:48:32,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-16 19:48:32,426 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 19:48:32,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 19:48:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2022-11-16 19:48:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-11-16 19:48:32,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-16 19:48:32,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-16 19:48:32,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:32,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2022-11-16 19:48:32,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-16 19:48:32,726 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-16 19:48:32,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-16 19:48:32,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-16 19:48:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:33,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:33,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:33,414 INFO L217 Elim1Store]: Index analysis took 457 ms [2022-11-16 19:48:33,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:33,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:33,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:33,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:34,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:35,549 INFO L321 Elim1Store]: treesize reduction 79, result has 26.9 percent of original size [2022-11-16 19:48:35,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 327 treesize of output 327 [2022-11-16 19:48:35,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:35,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:35,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:35,894 INFO L217 Elim1Store]: Index analysis took 189 ms [2022-11-16 19:48:35,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:36,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:36,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:36,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,503 INFO L321 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-11-16 19:48:36,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 339 treesize of output 336 [2022-11-16 19:48:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,693 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 303 treesize of output 294 [2022-11-16 19:48:36,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:36,910 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 307 treesize of output 294 [2022-11-16 19:48:37,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,045 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 303 treesize of output 294 [2022-11-16 19:48:37,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,149 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 307 treesize of output 294 [2022-11-16 19:48:37,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:37,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:37,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:37,509 INFO L321 Elim1Store]: treesize reduction 66, result has 32.0 percent of original size [2022-11-16 19:48:37,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 450 treesize of output 478 [2022-11-16 19:48:37,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,587 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 0 case distinctions, treesize of input 397 treesize of output 384 [2022-11-16 19:48:37,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,655 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 0 case distinctions, treesize of input 397 treesize of output 384 [2022-11-16 19:48:37,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:37,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:37,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:37,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 527 treesize of output 557 [2022-11-16 19:48:37,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:37,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:37,888 INFO L321 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2022-11-16 19:48:37,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 479 treesize of output 446 [2022-11-16 19:48:38,205 INFO L321 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2022-11-16 19:48:38,205 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 259 treesize of output 190 [2022-11-16 19:48:38,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 134 [2022-11-16 19:48:38,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:38,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:38,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2022-11-16 19:48:38,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:38,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 470 treesize of output 425 [2022-11-16 19:48:38,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-16 19:48:38,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:38,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 405 treesize of output 393 [2022-11-16 19:48:38,985 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-11-16 19:48:38,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 955 treesize of output 954 [2022-11-16 19:48:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,131 INFO L321 Elim1Store]: treesize reduction 170, result has 19.4 percent of original size [2022-11-16 19:48:39,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 960 treesize of output 970 [2022-11-16 19:48:39,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:39,531 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-16 19:48:39,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-16 19:48:39,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:39,684 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-16 19:48:39,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 200 [2022-11-16 19:48:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-16 19:48:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-16 19:48:39,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 55 [2022-11-16 19:48:39,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:39,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-16 19:48:39,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:48:40,005 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-16 19:48:40,005 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 143 [2022-11-16 19:48:40,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 83 [2022-11-16 19:48:40,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-16 19:48:40,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 19:48:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:40,366 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-16 19:48:40,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 204 [2022-11-16 19:48:40,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:48:40,513 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-16 19:48:40,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 195 [2022-11-16 19:48:40,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-11-16 19:48:40,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-16 19:48:40,722 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-16 19:48:40,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 50 [2022-11-16 19:48:40,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2022-11-16 19:48:40,818 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-16 19:48:40,819 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 121 [2022-11-16 19:48:40,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:48:40,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2022-11-16 19:48:41,072 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:48:41,900 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '273#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |#NULL.offset| 0) (or (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 0)) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 16)) 0))) (<= 5 |ULTIMATE.start_main_~len~0#1|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 4)) 0))) (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~head~1#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#res#1.base|) (<= 5 |ULTIMATE.start_dll_create_#in~len#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_dll_create_#res#1.offset|) (<= |ULTIMATE.start_main_~len~0#1| 5) (<= |ULTIMATE.start_dll_create_~len#1| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_dll_create_#in~len#1| 5) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-16 19:48:41,900 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 19:48:41,900 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 19:48:41,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2022-11-16 19:48:41,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258425408] [2022-11-16 19:48:41,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 19:48:41,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 19:48:41,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:48:41,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 19:48:41,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-16 19:48:41,902 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 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) [2022-11-16 19:48:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:48:42,293 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-11-16 19:48:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:48:42,294 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-16 19:48:42,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:48:42,295 INFO L225 Difference]: With dead ends: 26 [2022-11-16 19:48:42,295 INFO L226 Difference]: Without dead ends: 19 [2022-11-16 19:48:42,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-11-16 19:48:42,297 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 19:48:42,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 19:48:42,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-16 19:48:42,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-16 19:48:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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) [2022-11-16 19:48:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-11-16 19:48:42,302 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2022-11-16 19:48:42,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:48:42,303 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-11-16 19:48:42,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 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) [2022-11-16 19:48:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-16 19:48:42,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 19:48:42,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:48:42,304 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2022-11-16 19:48:42,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:48:42,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:48:42,507 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:48:42,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:48:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1846206627, now seen corresponding path program 3 times [2022-11-16 19:48:42,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:48:42,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751334242] [2022-11-16 19:48:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:48:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:48:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:48:42,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 19:48:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:48:42,964 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 19:48:42,965 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 19:48:42,966 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 19:48:42,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 19:48:42,974 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-16 19:48:42,979 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:48:43,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:48:43 BoogieIcfgContainer [2022-11-16 19:48:43,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:48:43,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:48:43,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:48:43,031 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:48:43,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:48:17" (3/4) ... [2022-11-16 19:48:43,034 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 19:48:43,085 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 19:48:43,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:48:43,086 INFO L158 Benchmark]: Toolchain (without parser) took 27125.19ms. Allocated memory was 96.5MB in the beginning and 224.4MB in the end (delta: 127.9MB). Free memory was 53.5MB in the beginning and 165.8MB in the end (delta: -112.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-11-16 19:48:43,087 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:48:43,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.49ms. Allocated memory is still 96.5MB. Free memory was 53.2MB in the beginning and 64.1MB in the end (delta: -10.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 19:48:43,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.80ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:48:43,088 INFO L158 Benchmark]: Boogie Preprocessor took 34.56ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 60.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:48:43,088 INFO L158 Benchmark]: RCFGBuilder took 693.08ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 39.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 19:48:43,089 INFO L158 Benchmark]: TraceAbstraction took 25753.66ms. Allocated memory was 96.5MB in the beginning and 224.4MB in the end (delta: 127.9MB). Free memory was 38.6MB in the beginning and 168.9MB in the end (delta: -130.3MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. [2022-11-16 19:48:43,089 INFO L158 Benchmark]: Witness Printer took 55.26ms. Allocated memory is still 224.4MB. Free memory was 168.9MB in the beginning and 165.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:48:43,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.49ms. Allocated memory is still 96.5MB. Free memory was 53.2MB in the beginning and 64.1MB in the end (delta: -10.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.80ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.56ms. Allocated memory is still 96.5MB. Free memory was 62.1MB in the beginning and 60.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 693.08ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 39.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 25753.66ms. Allocated memory was 96.5MB in the beginning and 224.4MB in the end (delta: 127.9MB). Free memory was 38.6MB in the beginning and 168.9MB in the end (delta: -130.3MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. * Witness Printer took 55.26ms. Allocated memory is still 224.4MB. Free memory was 168.9MB in the beginning and 165.8MB in the end (delta: 3.1MB). 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 - CounterExampleResult [Line: 616]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L599] const int len = 5; [L600] CALL, EXPR dll_create(len) [L579] DLL head = ((void *)0); VAL [\old(len)=5, head={0:0}, len=5] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND FALSE !(\read(head)) [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-1:0}, len=4, new_head={-1:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-2:0}, len=3, new_head={-2:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-3:0}, len=2, new_head={-3:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-4:0}, len=1, new_head={-4:0}] [L580] COND TRUE len > 0 [L581] DLL new_head = (DLL) malloc(sizeof(struct node)); [L582] COND FALSE !(((void *)0) == new_head) [L585] new_head->data_0 = 0 [L586] new_head->data_1 = 0 [L587] new_head->data_2 = __VERIFIER_nondet_int() == len? 1 : 0 [L588] new_head->next = head [L589] new_head->prev = ((void *)0) [L590] COND TRUE \read(head) [L591] head->prev = new_head [L593] head = new_head [L594] len-- VAL [\old(len)=5, head={-5:0}, len=0, new_head={-5:0}] [L580] COND FALSE !(len > 0) [L596] return head; [L600] RET, EXPR dll_create(len) [L600] DLL head = dll_create(len); [L601] head->next VAL [head={-5:0}, head->next={-4:0}, len=5] [L601] COND TRUE head->next [L602] EXPR head->data_0 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 [L602] EXPR head->data_1 [L602] EXPR 0 != head->data_0 || 0 != head->data_1 [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 [L602] EXPR head->data_2 [L602] 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 VAL [0 != head->data_0 || 0 != head->data_1=0, 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2=1, head={-5:0}, head->data_0=0, head->data_1=0, head->data_2=1, len=5] [L602] COND TRUE 0 != head->data_0 || 0 != head->data_1 || 0 != head->data_2 [L616] reach_error() VAL [head={-5:0}, len=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.6s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 23 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 139 SizeOfPredicates, 4 NumberOfNonLiveVariables, 606 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/51 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: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-16 19:48:43,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca372638-2750-4b69-b83d-101e3899838c/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE