./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V --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 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:42:24,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:42:24,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:42:24,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:42:24,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:42:24,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:42:24,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:42:24,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:42:24,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:42:24,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:42:24,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:42:24,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:42:24,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:42:24,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:42:24,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:42:24,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:42:24,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:42:24,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:42:24,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:42:24,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:42:24,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:42:24,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:42:24,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:42:24,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:42:24,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:42:24,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:42:24,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:42:24,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:42:24,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:42:24,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:42:24,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:42:24,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:42:24,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:42:24,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:42:24,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:42:24,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:42:24,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:42:24,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:42:24,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:42:24,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:42:24,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:42:24,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:42:24,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:42:24,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:42:24,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:42:24,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:42:24,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:42:24,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:42:24,473 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:42:24,473 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:42:24,473 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:42:24,474 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:42:24,475 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:42:24,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:42:24,475 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:42:24,475 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:42:24,476 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:42:24,476 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:42:24,476 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:42:24,476 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:42:24,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:42:24,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:42:24,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:42:24,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:42:24,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:42:24,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:42:24,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:42:24,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:42:24,480 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:42:24,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:42:24,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:42:24,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:42:24,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:42:24,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:42:24,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:42:24,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:42:24,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:42:24,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:42:24,483 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:42:24,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:42:24,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:42:24,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:42:24,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:42:24,484 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 [2021-11-23 02:42:24,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:42:24,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:42:24,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:42:24,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:42:24,821 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:42:24,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-23 02:42:24,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data/9e376ad6a/34b45aa74637404ca6954c5d5be14b5c/FLAG519913fab [2021-11-23 02:42:25,467 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:42:25,468 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-23 02:42:25,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data/9e376ad6a/34b45aa74637404ca6954c5d5be14b5c/FLAG519913fab [2021-11-23 02:42:25,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data/9e376ad6a/34b45aa74637404ca6954c5d5be14b5c [2021-11-23 02:42:25,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:42:25,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:42:25,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:42:25,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:42:25,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:42:25,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:25" (1/1) ... [2021-11-23 02:42:25,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6ab3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:25, skipping insertion in model container [2021-11-23 02:42:25,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:25" (1/1) ... [2021-11-23 02:42:25,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:42:25,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:42:26,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-23 02:42:26,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:42:26,353 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:42:26,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-23 02:42:26,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:42:26,450 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:42:26,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26 WrapperNode [2021-11-23 02:42:26,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:42:26,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:42:26,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:42:26,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:42:26,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,555 INFO L137 Inliner]: procedures = 128, calls = 36, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 148 [2021-11-23 02:42:26,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:42:26,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:42:26,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:42:26,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:42:26,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:42:26,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:42:26,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:42:26,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:42:26,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (1/1) ... [2021-11-23 02:42:26,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:42:26,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:42:26,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:42:26,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:42:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:42:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:42:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 02:42:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 02:42:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:42:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:42:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:42:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:42:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:42:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:42:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:42:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:42:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:42:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:42:26,919 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:42:26,921 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:42:27,195 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:42:27,275 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:42:27,275 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 02:42:27,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:27 BoogieIcfgContainer [2021-11-23 02:42:27,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:42:27,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:42:27,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:42:27,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:42:27,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:42:25" (1/3) ... [2021-11-23 02:42:27,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3157fc86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:27, skipping insertion in model container [2021-11-23 02:42:27,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:26" (2/3) ... [2021-11-23 02:42:27,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3157fc86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:27, skipping insertion in model container [2021-11-23 02:42:27,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:27" (3/3) ... [2021-11-23 02:42:27,291 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_insert_unequal.i [2021-11-23 02:42:27,303 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:42:27,303 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:42:27,358 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:42:27,365 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:42:27,365 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:42:27,383 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 18 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:42:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:42:27,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:27,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:27,390 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:27,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:27,395 INFO L85 PathProgramCache]: Analyzing trace with hash 24431895, now seen corresponding path program 1 times [2021-11-23 02:42:27,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:27,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563695447] [2021-11-23 02:42:27,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:27,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:27,617 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:27,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563695447] [2021-11-23 02:42:27,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563695447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:27,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:27,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:42:27,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216937446] [2021-11-23 02:42:27,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:27,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:42:27,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:27,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:42:27,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:27,657 INFO L87 Difference]: Start difference. First operand has 22 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 18 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:42:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:27,747 INFO L93 Difference]: Finished difference Result 43 states and 63 transitions. [2021-11-23 02:42:27,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:42:27,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-23 02:42:27,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:27,760 INFO L225 Difference]: With dead ends: 43 [2021-11-23 02:42:27,760 INFO L226 Difference]: Without dead ends: 21 [2021-11-23 02:42:27,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:42:27,772 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:27,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 43 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:42:27,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-23 02:42:27,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2021-11-23 02:42:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:42:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-11-23 02:42:27,824 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 26 transitions. Word has length 11 [2021-11-23 02:42:27,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:27,824 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-11-23 02:42:27,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:42:27,825 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-11-23 02:42:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:42:27,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:27,827 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:27,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:42:27,827 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:27,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:27,828 INFO L85 PathProgramCache]: Analyzing trace with hash -683449569, now seen corresponding path program 1 times [2021-11-23 02:42:27,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:27,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278675836] [2021-11-23 02:42:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:27,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:42:27,939 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:27,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278675836] [2021-11-23 02:42:27,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278675836] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:42:27,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336506298] [2021-11-23 02:42:27,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:27,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:42:27,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:42:27,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:42:27,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:42:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:28,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:42:28,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:42:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:28,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:42:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:42:28,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336506298] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:42:28,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [909078838] [2021-11-23 02:42:28,322 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-23 02:42:28,322 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:42:28,351 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:42:28,365 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:42:28,366 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:42:28,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:28,563 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:42:28,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-23 02:42:28,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:28,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 02:42:28,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:42:28,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:42:28,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:28,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2021-11-23 02:42:28,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:28,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-23 02:42:28,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:28,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-23 02:42:28,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:28,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-23 02:42:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:28,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:29,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:29,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:29,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-23 02:42:29,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:29,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-23 02:42:29,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:29,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:29,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:29,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:29,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-23 02:42:29,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-23 02:42:29,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2021-11-23 02:42:29,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-23 02:42:29,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-23 02:42:29,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:29,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:29,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:29,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-23 02:42:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:30,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:30,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:30,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-23 02:42:30,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-23 02:42:30,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-23 02:42:30,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-23 02:42:30,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-23 02:42:30,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2021-11-23 02:42:30,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:30,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 225 [2021-11-23 02:42:30,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:30,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 214 [2021-11-23 02:42:30,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:30,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 205 [2021-11-23 02:42:30,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:30,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 160 [2021-11-23 02:42:30,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:30,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 149 [2021-11-23 02:42:30,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:30,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 128 [2021-11-23 02:42:30,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-23 02:42:30,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-23 02:42:31,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-23 02:42:31,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-23 02:42:31,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:31,321 INFO L354 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2021-11-23 02:42:31,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 341 treesize of output 318 [2021-11-23 02:42:31,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:31,343 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:42:31,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 318 treesize of output 289 [2021-11-23 02:42:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:31,374 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:42:31,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 286 treesize of output 257 [2021-11-23 02:42:31,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 235 [2021-11-23 02:42:31,492 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 49 for LOIs [2021-11-23 02:42:31,730 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:42:38,332 WARN L227 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 86 DAG size of output: 77 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 02:42:39,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [909078838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:39,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:42:39,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 4, 4] total 13 [2021-11-23 02:42:39,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152572629] [2021-11-23 02:42:39,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:39,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 02:42:39,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:42:39,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 02:42:39,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:42:39,707 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. Second operand has 11 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:42:39,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:39,995 INFO L93 Difference]: Finished difference Result 28 states and 40 transitions. [2021-11-23 02:42:39,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 02:42:39,997 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2021-11-23 02:42:39,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:39,998 INFO L225 Difference]: With dead ends: 28 [2021-11-23 02:42:39,998 INFO L226 Difference]: Without dead ends: 20 [2021-11-23 02:42:39,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:42:40,000 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 62 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:40,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 26 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 62 Unchecked, 0.3s Time] [2021-11-23 02:42:40,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-23 02:42:40,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-23 02:42:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:42:40,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-11-23 02:42:40,014 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 27 transitions. Word has length 17 [2021-11-23 02:42:40,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:40,014 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-11-23 02:42:40,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:42:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 02:42:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:42:40,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:40,017 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:40,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:42:40,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:42:40,231 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:40,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:40,231 INFO L85 PathProgramCache]: Analyzing trace with hash 189853392, now seen corresponding path program 1 times [2021-11-23 02:42:40,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:42:40,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584868076] [2021-11-23 02:42:40,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:40,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:42:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:42:40,367 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:42:40,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584868076] [2021-11-23 02:42:40,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584868076] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:42:40,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119421250] [2021-11-23 02:42:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:40,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:42:40,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:42:40,379 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:42:40,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:42:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:40,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:42:40,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:42:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:42:40,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:42:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:42:40,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119421250] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:42:40,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1979514955] [2021-11-23 02:42:40,567 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-23 02:42:40,568 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:42:40,568 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:42:40,569 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:42:40,569 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:42:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,604 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 02:42:40,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-23 02:42:40,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,634 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:42:40,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-23 02:42:40,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:42:40,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:42:40,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-23 02:42:40,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2021-11-23 02:42:40,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-11-23 02:42:40,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-23 02:42:40,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:40,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-23 02:42:40,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:40,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:40,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 225 [2021-11-23 02:42:40,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:40,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 212 [2021-11-23 02:42:40,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:40,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 122 [2021-11-23 02:42:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:41,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:41,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:41,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-23 02:42:41,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-23 02:42:41,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-23 02:42:41,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-23 02:42:41,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-23 02:42:41,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2021-11-23 02:42:41,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-23 02:42:41,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2021-11-23 02:42:41,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-23 02:42:41,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2021-11-23 02:42:41,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-23 02:42:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:41,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-23 02:42:41,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:41,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-11-23 02:42:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:42,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 248 treesize of output 228 [2021-11-23 02:42:42,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:42,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 217 [2021-11-23 02:42:42,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:42,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 208 [2021-11-23 02:42:42,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:42:42,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:42:42,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-11-23 02:42:42,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-23 02:42:42,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-23 02:42:42,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-23 02:42:42,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-23 02:42:42,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 144 [2021-11-23 02:42:42,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 142 [2021-11-23 02:42:42,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:42:43,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:42:43,123 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Some non-self update cases but no top-level DER relation at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:146) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:340) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:115) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:903) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:865) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:783) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:425) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:162) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:243) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:233) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:119) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 02:42:43,126 INFO L158 Benchmark]: Toolchain (without parser) took 17266.11ms. Allocated memory was 92.3MB in the beginning and 182.5MB in the end (delta: 90.2MB). Free memory was 55.3MB in the beginning and 60.6MB in the end (delta: -5.3MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2021-11-23 02:42:43,127 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:42:43,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.54ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 58.4MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:42:43,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.13ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:42:43,128 INFO L158 Benchmark]: Boogie Preprocessor took 80.58ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 54.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:42:43,128 INFO L158 Benchmark]: RCFGBuilder took 638.53ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 54.5MB in the beginning and 101.4MB in the end (delta: -46.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-11-23 02:42:43,129 INFO L158 Benchmark]: TraceAbstraction took 15845.88ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 100.9MB in the beginning and 60.6MB in the end (delta: 40.3MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2021-11-23 02:42:43,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 61.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.54ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 58.4MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.13ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.58ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 54.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.53ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 54.5MB in the beginning and 101.4MB in the end (delta: -46.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * TraceAbstraction took 15845.88ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 100.9MB in the beginning and 60.6MB in the end (delta: 40.3MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Some non-self update cases but no top-level DER relation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Some non-self update cases but no top-level DER relation: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 02:42:43,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V --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 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:42:45,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:42:45,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:42:46,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:42:46,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:42:46,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:42:46,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:42:46,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:42:46,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:42:46,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:42:46,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:42:46,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:42:46,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:42:46,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:42:46,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:42:46,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:42:46,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:42:46,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:42:46,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:42:46,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:42:46,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:42:46,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:42:46,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:42:46,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:42:46,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:42:46,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:42:46,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:42:46,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:42:46,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:42:46,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:42:46,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:42:46,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:42:46,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:42:46,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:42:46,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:42:46,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:42:46,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:42:46,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:42:46,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:42:46,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:42:46,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:42:46,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 02:42:46,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:42:46,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:42:46,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:42:46,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:42:46,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:42:46,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:42:46,166 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:42:46,166 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:42:46,166 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:42:46,167 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:42:46,168 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:42:46,168 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:42:46,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:42:46,170 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:42:46,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:42:46,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:42:46,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:42:46,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:42:46,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:42:46,172 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:42:46,172 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:42:46,173 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:42:46,173 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:42:46,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:42:46,173 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:42:46,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:42:46,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:42:46,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:42:46,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:42:46,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:42:46,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:42:46,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:42:46,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:42:46,176 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:42:46,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:42:46,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:42:46,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:42:46,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:42:46,178 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 [2021-11-23 02:42:46,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:42:46,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:42:46,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:42:46,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:42:46,689 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:42:46,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-23 02:42:46,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data/f450690ff/6d6ba248ff2e4b5b811527849668d369/FLAG96f586ddc [2021-11-23 02:42:47,564 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:42:47,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-23 02:42:47,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data/f450690ff/6d6ba248ff2e4b5b811527849668d369/FLAG96f586ddc [2021-11-23 02:42:47,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/data/f450690ff/6d6ba248ff2e4b5b811527849668d369 [2021-11-23 02:42:47,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:42:47,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:42:47,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:42:47,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:42:47,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:42:47,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:47" (1/1) ... [2021-11-23 02:42:47,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58abe96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:47, skipping insertion in model container [2021-11-23 02:42:47,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:47" (1/1) ... [2021-11-23 02:42:47,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:42:47,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:42:48,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-23 02:42:48,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:42:48,376 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:42:48,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-23 02:42:48,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:42:48,537 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:42:48,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48 WrapperNode [2021-11-23 02:42:48,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:42:48,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:42:48,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:42:48,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:42:48,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,642 INFO L137 Inliner]: procedures = 131, calls = 36, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 149 [2021-11-23 02:42:48,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:42:48,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:42:48,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:42:48,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:42:48,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:42:48,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:42:48,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:42:48,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:42:48,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (1/1) ... [2021-11-23 02:42:48,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:42:48,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:42:48,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:42:48,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:42:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 02:42:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 02:42:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 02:42:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:42:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:42:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:42:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:42:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:42:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:42:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 02:42:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:42:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 02:42:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:42:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:42:49,002 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:42:49,004 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:42:49,463 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:42:49,478 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:42:49,479 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 02:42:49,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:49 BoogieIcfgContainer [2021-11-23 02:42:49,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:42:49,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:42:49,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:42:49,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:42:49,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:42:47" (1/3) ... [2021-11-23 02:42:49,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ac358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:49, skipping insertion in model container [2021-11-23 02:42:49,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:48" (2/3) ... [2021-11-23 02:42:49,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ac358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:49, skipping insertion in model container [2021-11-23 02:42:49,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:49" (3/3) ... [2021-11-23 02:42:49,491 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_insert_unequal.i [2021-11-23 02:42:49,498 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:42:49,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:42:49,552 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:42:49,560 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:42:49,560 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:42:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 30 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:42:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 02:42:49,588 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:49,588 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:49,589 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:49,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:49,596 INFO L85 PathProgramCache]: Analyzing trace with hash -246443823, now seen corresponding path program 1 times [2021-11-23 02:42:49,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:42:49,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259567057] [2021-11-23 02:42:49,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:49,614 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:42:49,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:42:49,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:42:49,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 02:42:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:49,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 02:42:49,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:42:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:49,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:42:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:49,980 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:42:49,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259567057] [2021-11-23 02:42:49,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259567057] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:49,981 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:49,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 02:42:49,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117413925] [2021-11-23 02:42:49,986 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:49,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:42:49,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:42:50,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:42:50,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:42:50,054 INFO L87 Difference]: Start difference. First operand has 34 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 30 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:42:50,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:50,093 INFO L93 Difference]: Finished difference Result 62 states and 91 transitions. [2021-11-23 02:42:50,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:42:50,096 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2021-11-23 02:42:50,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:50,106 INFO L225 Difference]: With dead ends: 62 [2021-11-23 02:42:50,106 INFO L226 Difference]: Without dead ends: 28 [2021-11-23 02:42:50,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:42:50,125 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:50,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:42:50,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-23 02:42:50,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-23 02:42:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-23 02:42:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2021-11-23 02:42:50,193 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 19 [2021-11-23 02:42:50,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:50,193 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2021-11-23 02:42:50,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:42:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-23 02:42:50,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 02:42:50,195 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:50,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:50,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:42:50,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:42:50,397 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:50,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:50,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1738034235, now seen corresponding path program 1 times [2021-11-23 02:42:50,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:42:50,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035202399] [2021-11-23 02:42:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:50,400 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:42:50,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:42:50,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:42:50,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 02:42:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:50,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 02:42:50,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:42:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:50,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:42:50,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:42:50,829 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:42:50,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035202399] [2021-11-23 02:42:50,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035202399] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:50,830 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:50,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-23 02:42:50,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075930824] [2021-11-23 02:42:50,831 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:50,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:42:50,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:42:50,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:42:50,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:50,843 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:42:50,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:50,879 INFO L93 Difference]: Finished difference Result 55 states and 72 transitions. [2021-11-23 02:42:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:50,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2021-11-23 02:42:50,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:50,882 INFO L225 Difference]: With dead ends: 55 [2021-11-23 02:42:50,882 INFO L226 Difference]: Without dead ends: 33 [2021-11-23 02:42:50,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:42:50,885 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 6 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:50,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 66 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:42:50,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-23 02:42:50,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-23 02:42:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 02:42:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2021-11-23 02:42:50,896 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 19 [2021-11-23 02:42:50,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:50,897 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-11-23 02:42:50,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:42:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-23 02:42:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 02:42:50,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:50,900 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:50,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:42:51,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:42:51,113 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:51,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:51,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1136271419, now seen corresponding path program 1 times [2021-11-23 02:42:51,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:42:51,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57544325] [2021-11-23 02:42:51,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:51,116 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:42:51,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:42:51,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:42:51,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 02:42:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:51,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:42:51,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:42:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 02:42:51,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:42:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 02:42:52,380 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:42:52,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57544325] [2021-11-23 02:42:52,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57544325] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:42:52,381 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:42:52,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-23 02:42:52,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165007643] [2021-11-23 02:42:52,382 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:42:52,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:42:52,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:42:52,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:42:52,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:42:52,385 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-23 02:42:52,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:42:52,447 INFO L93 Difference]: Finished difference Result 46 states and 61 transitions. [2021-11-23 02:42:52,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:42:52,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 37 [2021-11-23 02:42:52,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:42:52,450 INFO L225 Difference]: With dead ends: 46 [2021-11-23 02:42:52,450 INFO L226 Difference]: Without dead ends: 34 [2021-11-23 02:42:52,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:42:52,453 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 42 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:42:52,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 70 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:42:52,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-23 02:42:52,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-23 02:42:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 02:42:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-11-23 02:42:52,464 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 37 [2021-11-23 02:42:52,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:42:52,466 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-11-23 02:42:52,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-23 02:42:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-23 02:42:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 02:42:52,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:42:52,469 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:42:52,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:42:52,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:42:52,682 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:42:52,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:42:52,683 INFO L85 PathProgramCache]: Analyzing trace with hash -300753136, now seen corresponding path program 1 times [2021-11-23 02:42:52,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:42:52,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107103535] [2021-11-23 02:42:52,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:42:52,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:42:52,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:42:52,687 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:42:52,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 02:42:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:42:52,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 02:42:52,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:42:53,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 02:42:53,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:42:53,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:53,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-23 02:42:53,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:42:54,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2021-11-23 02:42:54,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2021-11-23 02:42:54,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 28 treesize of output 26 [2021-11-23 02:42:54,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-23 02:42:57,293 INFO L354 Elim1Store]: treesize reduction 108, result has 16.3 percent of original size [2021-11-23 02:42:57,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 118 treesize of output 121 [2021-11-23 02:42:57,437 INFO L354 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2021-11-23 02:42:57,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 86 [2021-11-23 02:42:57,477 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-11-23 02:42:57,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 91 [2021-11-23 02:42:57,591 INFO L354 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2021-11-23 02:42:57,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 67 [2021-11-23 02:42:58,705 INFO L354 Elim1Store]: treesize reduction 92, result has 15.6 percent of original size [2021-11-23 02:42:58,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 147 treesize of output 116 [2021-11-23 02:42:58,792 INFO L354 Elim1Store]: treesize reduction 84, result has 16.8 percent of original size [2021-11-23 02:42:58,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 139 treesize of output 124 [2021-11-23 02:42:58,832 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-11-23 02:42:58,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 95 [2021-11-23 02:42:59,391 INFO L354 Elim1Store]: treesize reduction 134, result has 21.2 percent of original size [2021-11-23 02:42:59,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 313 treesize of output 165 [2021-11-23 02:42:59,671 INFO L354 Elim1Store]: treesize reduction 124, result has 21.5 percent of original size [2021-11-23 02:42:59,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 280 treesize of output 198 [2021-11-23 02:42:59,719 INFO L354 Elim1Store]: treesize reduction 131, result has 7.7 percent of original size [2021-11-23 02:42:59,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 161 [2021-11-23 02:42:59,982 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-23 02:42:59,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 41 [2021-11-23 02:42:59,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-11-23 02:43:00,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-11-23 02:43:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:43:00,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:43:05,144 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_sll_insert_~last~0#1.base| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~last~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base|) .cse2 v_DerPreprocessor_3)))) (store .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base|) .cse2 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|)))) (store .cse3 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse3 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 |ULTIMATE.start_sll_insert_~last~0#1.base|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base|) .cse2 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse4 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 |ULTIMATE.start_sll_insert_~last~0#1.offset|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2021-11-23 02:43:07,318 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse2 (bvadd |c_ULTIMATE.start_sll_insert_~last~0#1.offset| (_ bv4 32)))) (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_sll_insert_~last~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_sll_insert_~last~0#1.base|) .cse2 v_DerPreprocessor_3)))) (store .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~last~0#1.base|) .cse2 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|)))) (store .cse3 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse3 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~last~0#1.base|) .cse2 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse4 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2021-11-23 02:43:09,422 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~head#1.base|) |c_ULTIMATE.start_sll_insert_~head#1.offset|)) (.cse3 (bvadd (_ bv4 32) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~head#1.base|) |c_ULTIMATE.start_sll_insert_~head#1.offset|)))) (select (select (let ((.cse0 (store |c_#memory_int| .cse2 (store (select |c_#memory_int| .cse2) .cse3 v_DerPreprocessor_3)))) (store .cse0 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|)))) (store .cse4 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base| (store (select .cse4 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse5 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base| (store (select .cse5 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2021-11-23 02:43:28,936 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2| (_ BitVec 32))) (or (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse3 (bvadd (_ bv4 32) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse0 (store |c_#memory_int| .cse2 (store (select |c_#memory_int| .cse2) .cse3 v_DerPreprocessor_3)))) (store .cse0 |c_node_create_#res#1.base| (store (select .cse0 |c_node_create_#res#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 |c_node_create_#res#1.base|)))) (store .cse4 |c_node_create_#res#1.base| (store (select .cse4 |c_node_create_#res#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse5 |c_node_create_#res#1.base| (store (select .cse5 |c_node_create_#res#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)))) (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= (let ((.cse11 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse15 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse13 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse7 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse9 (select (select .cse13 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse10 (bvadd (_ bv4 32) (select (select .cse15 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse6 (let ((.cse8 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 v_DerPreprocessor_3))))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse7 v_DerPreprocessor_2))) (select (select (let ((.cse12 (store .cse13 .cse9 (store (select .cse13 .cse9) .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse12 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse12 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse7 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse14 (store .cse15 .cse9 (store (select .cse15 .cse9) .cse10 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse7 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|))))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4|)))))) is different from false [2021-11-23 02:43:30,958 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2| (_ BitVec 32))) (or (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse3 (bvadd (_ bv4 32) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse0 (store |c_#memory_int| .cse2 (store (select |c_#memory_int| .cse2) .cse3 v_DerPreprocessor_3)))) (store .cse0 |c_node_create_#res#1.base| (store (select .cse0 |c_node_create_#res#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 |c_node_create_#res#1.base|)))) (store .cse4 |c_node_create_#res#1.base| (store (select .cse4 |c_node_create_#res#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse5 |c_node_create_#res#1.base| (store (select .cse5 |c_node_create_#res#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)))) (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= (let ((.cse11 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse15 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse13 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse7 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse9 (select (select .cse13 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse10 (bvadd (_ bv4 32) (select (select .cse15 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse6 (let ((.cse8 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 v_DerPreprocessor_3))))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse7 v_DerPreprocessor_2))) (select (select (let ((.cse12 (store .cse13 .cse9 (store (select .cse13 .cse9) .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse12 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse12 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse7 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse14 (store .cse15 .cse9 (store (select .cse15 .cse9) .cse10 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse7 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|))))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4|)))))) is different from true [2021-11-23 02:44:03,342 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|node_create_~data#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| (_ BitVec 32)) (|node_create_~temp~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (_ BitVec 32))) (or (= (let ((.cse5 (bvadd (_ bv4 32) |node_create_~temp~0#1.offset|))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) .cse5 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_9))) (.cse7 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) .cse5 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_8)))) (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse4 (bvadd (_ bv4 32) (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_int| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_int| |c_node_create_~temp~0#1.base|) .cse5 v_DerPreprocessor_7) |node_create_~temp~0#1.offset| |node_create_~data#1|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |c_node_create_~temp~0#1.base| (store (select .cse0 |c_node_create_~temp~0#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |c_node_create_~temp~0#1.base|)))) (store .cse6 |c_node_create_~temp~0#1.base| (store (select .cse6 |c_node_create_~temp~0#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse8 |c_node_create_~temp~0#1.base| (store (select .cse8 |c_node_create_~temp~0#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|))))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4|) (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (v_prenex_4 (_ BitVec 32)) (v_prenex_5 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32)) (v_prenex_3 (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (let ((.cse15 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse19 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse17 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse11 (bvadd (_ bv4 32) v_prenex_1)) (.cse13 (select (select .cse17 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse14 (bvadd (_ bv4 32) (select (select .cse19 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse10 (let ((.cse12 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 v_prenex_2))))) (store .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_4))) (select (select (let ((.cse16 (store .cse17 .cse13 (store (select .cse17 .cse13) .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse16 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse16 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_3))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse18 (store .cse19 .cse13 (store (select .cse19 .cse13) .cse14 v_prenex_1)))) (store .cse18 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse18 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_5))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|))))))))))) is different from false [2021-11-23 02:44:05,349 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|node_create_~data#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| (_ BitVec 32)) (|node_create_~temp~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (_ BitVec 32))) (or (= (let ((.cse5 (bvadd (_ bv4 32) |node_create_~temp~0#1.offset|))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) .cse5 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_9))) (.cse7 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) .cse5 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_8)))) (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse4 (bvadd (_ bv4 32) (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_int| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_int| |c_node_create_~temp~0#1.base|) .cse5 v_DerPreprocessor_7) |node_create_~temp~0#1.offset| |node_create_~data#1|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |c_node_create_~temp~0#1.base| (store (select .cse0 |c_node_create_~temp~0#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |c_node_create_~temp~0#1.base|)))) (store .cse6 |c_node_create_~temp~0#1.base| (store (select .cse6 |c_node_create_~temp~0#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse8 |c_node_create_~temp~0#1.base| (store (select .cse8 |c_node_create_~temp~0#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|))))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4|) (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (v_prenex_4 (_ BitVec 32)) (v_prenex_5 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32)) (v_prenex_3 (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (let ((.cse15 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse19 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse17 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse11 (bvadd (_ bv4 32) v_prenex_1)) (.cse13 (select (select .cse17 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse14 (bvadd (_ bv4 32) (select (select .cse19 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse10 (let ((.cse12 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 v_prenex_2))))) (store .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_4))) (select (select (let ((.cse16 (store .cse17 .cse13 (store (select .cse17 .cse13) .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse16 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse16 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_3))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse18 (store .cse19 .cse13 (store (select .cse19 .cse13) .cse14 v_prenex_1)))) (store .cse18 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse18 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_5))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|))))))))))) is different from true [2021-11-23 02:45:11,589 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_node_create_~temp~0#1.base_23| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_node_create_~temp~0#1.base_23|))) (forall ((|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2| (_ BitVec 32)) (|node_create_~data#1| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| (_ BitVec 32)) (|node_create_~temp~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2| (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32)) (v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (_ BitVec 32))) (or (= (let ((.cse5 (bvadd (_ bv4 32) |node_create_~temp~0#1.offset|))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| |v_node_create_~temp~0#1.base_23| (store (store (select |c_#memory_$Pointer$.offset| |v_node_create_~temp~0#1.base_23|) .cse5 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_9))) (.cse7 (store |c_#memory_$Pointer$.base| |v_node_create_~temp~0#1.base_23| (store (store (select |c_#memory_$Pointer$.base| |v_node_create_~temp~0#1.base_23|) .cse5 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_8)))) (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse4 (bvadd (_ bv4 32) (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_int| |v_node_create_~temp~0#1.base_23| (store (store (select |c_#memory_int| |v_node_create_~temp~0#1.base_23|) .cse5 v_DerPreprocessor_7) |node_create_~temp~0#1.offset| |node_create_~data#1|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |v_node_create_~temp~0#1.base_23| (store (select .cse0 |v_node_create_~temp~0#1.base_23|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |v_node_create_~temp~0#1.base_23|)))) (store .cse6 |v_node_create_~temp~0#1.base_23| (store (select .cse6 |v_node_create_~temp~0#1.base_23|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse8 |v_node_create_~temp~0#1.base_23| (store (select .cse8 |v_node_create_~temp~0#1.base_23|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|))))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4|) (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (v_prenex_4 (_ BitVec 32)) (v_prenex_5 (_ BitVec 32)) (v_prenex_2 (_ BitVec 32)) (v_prenex_3 (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32)) (v_prenex_1 (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_4| (let ((.cse15 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse19 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse17 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse11 (bvadd (_ bv4 32) v_prenex_1)) (.cse13 (select (select .cse17 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)) (.cse14 (bvadd (_ bv4 32) (select (select .cse19 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_2|)))) (select (select (let ((.cse10 (let ((.cse12 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 v_prenex_2))))) (store .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_4))) (select (select (let ((.cse16 (store .cse17 .cse13 (store (select .cse17 .cse13) .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse16 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse16 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_3))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|)) (select (select (let ((.cse18 (store .cse19 .cse13 (store (select .cse19 .cse13) .cse14 v_prenex_1)))) (store .cse18 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse18 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_5))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_2|))))))))))) (not (bvult |v_node_create_~temp~0#1.base_23| |c_#StackHeapBarrier|)))) is different from true [2021-11-23 02:45:11,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182469 treesize of output 179777 [2021-11-23 02:45:12,334 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:45:12,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107103535] [2021-11-23 02:45:12,335 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-23 02:45:12,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1644790949] [2021-11-23 02:45:12,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:45:12,336 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 02:45:12,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/cvc4 [2021-11-23 02:45:12,340 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 02:45:12,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-11-23 02:45:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:45:12,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 02:45:12,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:45:13,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 02:45:13,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:45:13,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:45:13,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-23 02:45:14,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-11-23 02:45:14,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 31 [2021-11-23 02:45:14,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-23 02:45:14,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-23 02:45:15,714 INFO L354 Elim1Store]: treesize reduction 108, result has 16.3 percent of original size [2021-11-23 02:45:15,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 120 [2021-11-23 02:45:15,836 INFO L354 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2021-11-23 02:45:15,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 85 [2021-11-23 02:45:15,884 INFO L354 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2021-11-23 02:45:15,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 90 [2021-11-23 02:45:16,011 INFO L354 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2021-11-23 02:45:16,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 67 [2021-11-23 02:45:17,328 INFO L354 Elim1Store]: treesize reduction 92, result has 15.6 percent of original size [2021-11-23 02:45:17,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 147 treesize of output 116 [2021-11-23 02:45:17,404 INFO L354 Elim1Store]: treesize reduction 84, result has 16.8 percent of original size [2021-11-23 02:45:17,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 139 treesize of output 124 [2021-11-23 02:45:17,438 INFO L354 Elim1Store]: treesize reduction 47, result has 19.0 percent of original size [2021-11-23 02:45:17,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 95 [2021-11-23 02:45:18,071 INFO L354 Elim1Store]: treesize reduction 134, result has 21.2 percent of original size [2021-11-23 02:45:18,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 313 treesize of output 165 [2021-11-23 02:45:18,314 INFO L354 Elim1Store]: treesize reduction 124, result has 21.5 percent of original size [2021-11-23 02:45:18,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 280 treesize of output 198 [2021-11-23 02:45:18,360 INFO L354 Elim1Store]: treesize reduction 131, result has 7.7 percent of original size [2021-11-23 02:45:18,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 161 [2021-11-23 02:45:18,955 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-23 02:45:18,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 41 [2021-11-23 02:45:18,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-11-23 02:45:19,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-11-23 02:45:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:45:19,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:48:01,737 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_19| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_19| (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (or (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (let ((.cse5 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse9 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse7 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse4 (bvadd (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|) (_ bv4 32)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|))))))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))))) (= (let ((.cse11 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse12 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse13 (bvadd (_ bv4 32) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)))) (select (select (let ((.cse10 (store |c_#memory_int| .cse12 (store (select |c_#memory_int| .cse12) .cse13 v_DerPreprocessor_12)))) (store .cse10 |c_node_create_#res#1.base| (store (select .cse10 |c_node_create_#res#1.base|) .cse11 v_DerPreprocessor_2))) (select (select (let ((.cse14 (store |c_#memory_$Pointer$.base| .cse12 (store (select |c_#memory_$Pointer$.base| .cse12) .cse13 |c_node_create_#res#1.base|)))) (store .cse14 |c_node_create_#res#1.base| (store (select .cse14 |c_node_create_#res#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.base_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse15 (store |c_#memory_$Pointer$.offset| .cse12 (store (select |c_#memory_$Pointer$.offset| .cse12) .cse13 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse15 |c_node_create_#res#1.base| (store (select .cse15 |c_node_create_#res#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8|))) is different from false [2021-11-23 02:48:03,746 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_19| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_19| (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32))) (or (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (let ((.cse5 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse9 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse7 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse4 (bvadd (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|) (_ bv4 32)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|))))))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))))) (= (let ((.cse11 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse12 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse13 (bvadd (_ bv4 32) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)))) (select (select (let ((.cse10 (store |c_#memory_int| .cse12 (store (select |c_#memory_int| .cse12) .cse13 v_DerPreprocessor_12)))) (store .cse10 |c_node_create_#res#1.base| (store (select .cse10 |c_node_create_#res#1.base|) .cse11 v_DerPreprocessor_2))) (select (select (let ((.cse14 (store |c_#memory_$Pointer$.base| .cse12 (store (select |c_#memory_$Pointer$.base| .cse12) .cse13 |c_node_create_#res#1.base|)))) (store .cse14 |c_node_create_#res#1.base| (store (select .cse14 |c_node_create_#res#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.base_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse15 (store |c_#memory_$Pointer$.offset| .cse12 (store (select |c_#memory_$Pointer$.offset| .cse12) .cse13 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse15 |c_node_create_#res#1.base| (store (select .cse15 |c_node_create_#res#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8|))) is different from true [2021-11-23 02:48:30,671 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|node_create_~data#1| (_ BitVec 32)) (|node_create_~temp~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_19| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_19| (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (or (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (v_prenex_6 (_ BitVec 32)) (v_prenex_7 (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= (let ((.cse5 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse9 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse7 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse1 (bvadd (_ bv4 32) v_prenex_6)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse4 (bvadd (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|) (_ bv4 32)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 v_prenex_7))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 v_prenex_6)))) (store .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|))))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8|)) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))))) (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (let ((.cse15 (bvadd (_ bv4 32) |node_create_~temp~0#1.offset|))) (let ((.cse19 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_18))) (.cse17 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_17)))) (let ((.cse11 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse13 (select (select .cse17 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse14 (bvadd (_ bv4 32) (select (select .cse19 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)))) (select (select (let ((.cse10 (let ((.cse12 (store |c_#memory_int| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_int| |c_node_create_~temp~0#1.base|) .cse15 v_DerPreprocessor_16) |node_create_~temp~0#1.offset| |node_create_~data#1|)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 v_DerPreprocessor_12))))) (store .cse10 |c_node_create_~temp~0#1.base| (store (select .cse10 |c_node_create_~temp~0#1.base|) .cse11 v_DerPreprocessor_2))) (select (select (let ((.cse16 (store .cse17 .cse13 (store (select .cse17 .cse13) .cse14 |c_node_create_~temp~0#1.base|)))) (store .cse16 |c_node_create_~temp~0#1.base| (store (select .cse16 |c_node_create_~temp~0#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.base_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse18 (store .cse19 .cse13 (store (select .cse19 .cse13) .cse14 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse18 |c_node_create_~temp~0#1.base| (store (select .cse18 |c_node_create_~temp~0#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)))))))) is different from false [2021-11-23 02:48:32,677 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|node_create_~data#1| (_ BitVec 32)) (|node_create_~temp~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_19| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_19| (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (or (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (v_prenex_6 (_ BitVec 32)) (v_prenex_7 (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= (let ((.cse5 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse9 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse7 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse1 (bvadd (_ bv4 32) v_prenex_6)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse4 (bvadd (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|) (_ bv4 32)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 v_prenex_7))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 v_prenex_6)))) (store .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|))))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8|)) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))))) (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (let ((.cse15 (bvadd (_ bv4 32) |node_create_~temp~0#1.offset|))) (let ((.cse19 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_18))) (.cse17 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_17)))) (let ((.cse11 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse13 (select (select .cse17 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse14 (bvadd (_ bv4 32) (select (select .cse19 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)))) (select (select (let ((.cse10 (let ((.cse12 (store |c_#memory_int| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_int| |c_node_create_~temp~0#1.base|) .cse15 v_DerPreprocessor_16) |node_create_~temp~0#1.offset| |node_create_~data#1|)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 v_DerPreprocessor_12))))) (store .cse10 |c_node_create_~temp~0#1.base| (store (select .cse10 |c_node_create_~temp~0#1.base|) .cse11 v_DerPreprocessor_2))) (select (select (let ((.cse16 (store .cse17 .cse13 (store (select .cse17 .cse13) .cse14 |c_node_create_~temp~0#1.base|)))) (store .cse16 |c_node_create_~temp~0#1.base| (store (select .cse16 |c_node_create_~temp~0#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.base_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse18 (store .cse19 .cse13 (store (select .cse19 .cse13) .cse14 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse18 |c_node_create_~temp~0#1.base| (store (select .cse18 |c_node_create_~temp~0#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)))))))) is different from true [2021-11-23 02:49:36,927 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_node_create_~temp~0#1.base_27| (_ BitVec 32))) (or (not (bvult |v_node_create_~temp~0#1.base_27| |c_#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|node_create_~data#1| (_ BitVec 32)) (|node_create_~temp~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_19| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_19| (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (or (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8| (let ((.cse5 (bvadd (_ bv4 32) |node_create_~temp~0#1.offset|))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| |v_node_create_~temp~0#1.base_27| (store (store (select |c_#memory_$Pointer$.offset| |v_node_create_~temp~0#1.base_27|) .cse5 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_18))) (.cse7 (store |c_#memory_$Pointer$.base| |v_node_create_~temp~0#1.base_27| (store (store (select |c_#memory_$Pointer$.base| |v_node_create_~temp~0#1.base_27|) .cse5 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_17)))) (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse4 (bvadd (_ bv4 32) (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_int| |v_node_create_~temp~0#1.base_27| (store (store (select |c_#memory_int| |v_node_create_~temp~0#1.base_27|) .cse5 v_DerPreprocessor_16) |node_create_~temp~0#1.offset| |node_create_~data#1|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_12))))) (store .cse0 |v_node_create_~temp~0#1.base_27| (store (select .cse0 |v_node_create_~temp~0#1.base_27|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |v_node_create_~temp~0#1.base_27|)))) (store .cse6 |v_node_create_~temp~0#1.base_27| (store (select .cse6 |v_node_create_~temp~0#1.base_27|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse8 |v_node_create_~temp~0#1.base_27| (store (select .cse8 |v_node_create_~temp~0#1.base_27|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_19|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)))))) (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (v_prenex_6 (_ BitVec 32)) (v_prenex_7 (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= (let ((.cse15 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse19 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse17 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse11 (bvadd (_ bv4 32) v_prenex_6)) (.cse13 (select (select .cse17 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|)) (.cse14 (bvadd (select (select .cse19 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_4|) (_ bv4 32)))) (select (select (let ((.cse10 (let ((.cse12 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse15 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 v_DerPreprocessor_3))))) (store .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_prenex_7))) (select (select (let ((.cse16 (store .cse17 .cse13 (store (select .cse17 .cse13) .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse16 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse16 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|)) (select (select (let ((.cse18 (store .cse19 .cse13 (store (select .cse19 .cse13) .cse14 v_prenex_6)))) (store .cse18 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse18 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_6|))))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_8|)) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))))))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_node_create_~temp~0#1.base_27|)))))) is different from true [2021-11-23 02:49:36,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142949 treesize of output 142293 [2021-11-23 02:49:37,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42121135 treesize of output 41175771 [2021-11-23 02:50:37,389 WARN L227 SmtUtils]: Spent 59.79s on a formula simplification that was a NOOP. DAG size: 5976 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 02:51:36,992 WARN L227 SmtUtils]: Spent 59.57s on a formula simplification that was a NOOP. DAG size: 5973 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 02:51:37,360 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-23 02:51:37,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806577647] [2021-11-23 02:51:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:51:37,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:51:37,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:51:37,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:51:37,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fb4c84-ce42-4ee6-8985-0b023c19edc5/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 02:51:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:51:37,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 02:51:37,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:51:38,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-23 02:51:38,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:51:39,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:51:39,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:51:39,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:51:39,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-11-23 02:51:40,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 02:51:40,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:51:42,025 INFO L354 Elim1Store]: treesize reduction 108, result has 16.3 percent of original size [2021-11-23 02:51:42,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 100 [2021-11-23 02:51:42,179 INFO L354 Elim1Store]: treesize reduction 71, result has 32.4 percent of original size [2021-11-23 02:51:42,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 86 [2021-11-23 02:51:42,275 INFO L354 Elim1Store]: treesize reduction 80, result has 23.8 percent of original size [2021-11-23 02:51:42,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 86 [2021-11-23 02:51:42,317 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 02:51:42,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 83 [2021-11-23 02:51:47,240 INFO L354 Elim1Store]: treesize reduction 80, result has 26.6 percent of original size [2021-11-23 02:51:47,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 158 treesize of output 147 [2021-11-23 02:51:47,422 INFO L354 Elim1Store]: treesize reduction 58, result has 42.6 percent of original size [2021-11-23 02:51:47,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 166 treesize of output 173 [2021-11-23 02:51:47,498 INFO L354 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2021-11-23 02:51:47,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 171 treesize of output 157 [2021-11-23 02:51:53,442 INFO L354 Elim1Store]: treesize reduction 148, result has 18.7 percent of original size [2021-11-23 02:51:53,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 256 treesize of output 234 [2021-11-23 02:51:54,815 INFO L354 Elim1Store]: treesize reduction 216, result has 16.6 percent of original size [2021-11-23 02:51:54,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 244 treesize of output 233 [2021-11-23 02:51:54,867 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-23 02:51:54,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 232 treesize of output 212 [2021-11-23 02:51:56,150 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-23 02:51:56,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 38 [2021-11-23 02:51:56,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-11-23 02:51:56,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-23 02:51:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:51:56,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:52:01,352 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_sll_insert_~last~0#1.base| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~last~0#1.offset| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse2 (bvadd (_ bv4 32) |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base|) .cse2 v_DerPreprocessor_21)))) (store .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base|) .cse2 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|)))) (store .cse3 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse3 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 |ULTIMATE.start_sll_insert_~last~0#1.base|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~snd_to_last~0#1.base|) .cse2 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse4 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 |ULTIMATE.start_sll_insert_~last~0#1.offset|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2021-11-23 02:52:03,507 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~last~0#1.offset_24| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_24| (_ BitVec 32))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse2 (bvadd |c_ULTIMATE.start_sll_insert_~last~0#1.offset| (_ bv4 32)))) (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_sll_insert_~last~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_sll_insert_~last~0#1.base|) .cse2 v_DerPreprocessor_21)))) (store .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~last~0#1.base|) .cse2 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|)))) (store .cse3 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse3 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_24|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~last~0#1.base|) .cse2 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse4 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base| (store (select .cse4 |c_ULTIMATE.start_sll_insert_~new_node~0#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_24|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2021-11-23 02:52:05,620 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~last~0#1.offset_24| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_24| (_ BitVec 32))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_insert_~head#1.base|) |c_ULTIMATE.start_sll_insert_~head#1.offset|)) (.cse3 (bvadd (_ bv4 32) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_insert_~head#1.base|) |c_ULTIMATE.start_sll_insert_~head#1.offset|)))) (select (select (let ((.cse0 (store |c_#memory_int| .cse2 (store (select |c_#memory_int| .cse2) .cse3 v_DerPreprocessor_21)))) (store .cse0 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base| (store (select .cse0 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|)))) (store .cse4 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base| (store (select .cse4 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_24|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse5 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base| (store (select .cse5 |c_ULTIMATE.start_sll_insert_#t~ret7#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_24|))) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2021-11-23 02:52:24,696 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~last~0#1.offset_24| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_24| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| (_ BitVec 32))) (or (= (let ((.cse1 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)) (.cse3 (bvadd (_ bv4 32) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)))) (select (select (let ((.cse0 (store |c_#memory_int| .cse2 (store (select |c_#memory_int| .cse2) .cse3 v_DerPreprocessor_21)))) (store .cse0 |c_node_create_#res#1.base| (store (select .cse0 |c_node_create_#res#1.base|) .cse1 v_DerPreprocessor_2))) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 |c_node_create_#res#1.base|)))) (store .cse4 |c_node_create_#res#1.base| (store (select .cse4 |c_node_create_#res#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_24|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)) (select (select (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse5 |c_node_create_#res#1.base| (store (select .cse5 |c_node_create_#res#1.base|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_24|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|))) |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12|) (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (let ((.cse11 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse15 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse13 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse7 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse9 (select (select .cse13 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)) (.cse10 (bvadd (_ bv4 32) (select (select .cse15 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)))) (select (select (let ((.cse6 (let ((.cse8 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse11 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 v_DerPreprocessor_3))))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse7 v_DerPreprocessor_2))) (select (select (let ((.cse12 (store .cse13 .cse9 (store (select .cse13 .cse9) .cse10 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse12 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse12 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse7 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)) (select (select (let ((.cse14 (store .cse15 .cse9 (store (select .cse15 .cse9) .cse10 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse14 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse7 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|))))))))))) is different from false [2021-11-23 02:52:55,567 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~last~0#1.offset_24| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12| (_ BitVec 32)) (|node_create_~data#1| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_24| (_ BitVec 32)) (|node_create_~temp~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6| (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (or (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (v_prenex_8 (_ BitVec 32)) (v_prenex_9 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (let ((.cse5 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse9 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse7 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse1 (bvadd (_ bv4 32) v_prenex_8)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)) (.cse4 (bvadd (_ bv4 32) (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 v_prenex_9))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 v_prenex_8)))) (store .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|))))))))) (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (let ((.cse15 (bvadd (_ bv4 32) |node_create_~temp~0#1.offset|))) (let ((.cse19 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_26))) (.cse17 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_27)))) (let ((.cse11 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse13 (select (select .cse17 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)) (.cse14 (bvadd (_ bv4 32) (select (select .cse19 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)))) (select (select (let ((.cse10 (let ((.cse12 (store |c_#memory_int| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_int| |c_node_create_~temp~0#1.base|) .cse15 v_DerPreprocessor_25) |node_create_~temp~0#1.offset| |node_create_~data#1|)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 v_DerPreprocessor_21))))) (store .cse10 |c_node_create_~temp~0#1.base| (store (select .cse10 |c_node_create_~temp~0#1.base|) .cse11 v_DerPreprocessor_2))) (select (select (let ((.cse16 (store .cse17 .cse13 (store (select .cse17 .cse13) .cse14 |c_node_create_~temp~0#1.base|)))) (store .cse16 |c_node_create_~temp~0#1.base| (store (select .cse16 |c_node_create_~temp~0#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.base_24|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)) (select (select (let ((.cse18 (store .cse19 .cse13 (store (select .cse19 .cse13) .cse14 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse18 |c_node_create_~temp~0#1.base| (store (select .cse18 |c_node_create_~temp~0#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_24|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)))))))) is different from false [2021-11-23 02:52:57,573 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_insert_~last~0#1.offset_24| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12| (_ BitVec 32)) (|node_create_~data#1| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_24| (_ BitVec 32)) (|node_create_~temp~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6| (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (or (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (v_prenex_8 (_ BitVec 32)) (v_prenex_9 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (let ((.cse5 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse9 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse7 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse1 (bvadd (_ bv4 32) v_prenex_8)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)) (.cse4 (bvadd (_ bv4 32) (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 v_prenex_9))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 v_prenex_8)))) (store .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|))))))))) (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (let ((.cse15 (bvadd (_ bv4 32) |node_create_~temp~0#1.offset|))) (let ((.cse19 (store |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_node_create_~temp~0#1.base|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_26))) (.cse17 (store |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_node_create_~temp~0#1.base|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_27)))) (let ((.cse11 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse13 (select (select .cse17 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)) (.cse14 (bvadd (_ bv4 32) (select (select .cse19 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)))) (select (select (let ((.cse10 (let ((.cse12 (store |c_#memory_int| |c_node_create_~temp~0#1.base| (store (store (select |c_#memory_int| |c_node_create_~temp~0#1.base|) .cse15 v_DerPreprocessor_25) |node_create_~temp~0#1.offset| |node_create_~data#1|)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 v_DerPreprocessor_21))))) (store .cse10 |c_node_create_~temp~0#1.base| (store (select .cse10 |c_node_create_~temp~0#1.base|) .cse11 v_DerPreprocessor_2))) (select (select (let ((.cse16 (store .cse17 .cse13 (store (select .cse17 .cse13) .cse14 |c_node_create_~temp~0#1.base|)))) (store .cse16 |c_node_create_~temp~0#1.base| (store (select .cse16 |c_node_create_~temp~0#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.base_24|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)) (select (select (let ((.cse18 (store .cse19 .cse13 (store (select .cse19 .cse13) .cse14 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse18 |c_node_create_~temp~0#1.base| (store (select .cse18 |c_node_create_~temp~0#1.base|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_24|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)))))))) is different from true [2021-11-23 02:54:04,392 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_node_create_~temp~0#1.base_31| (_ BitVec 32))) (or (forall ((|v_ULTIMATE.start_sll_insert_~last~0#1.offset_24| (_ BitVec 32)) (|ULTIMATE.start_sll_insert_~new_node~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12| (_ BitVec 32)) (|node_create_~data#1| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_24| (_ BitVec 32)) (|node_create_~temp~0#1.offset| (_ BitVec 32)) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6| (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (or (exists ((v_DerPreprocessor_6 (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.base_14| (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_~last~0#1.offset_14| (_ BitVec 32)) (v_prenex_8 (_ BitVec 32)) (v_prenex_9 (_ BitVec 32)) (|v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (_ BitVec 32)) (|v_node_create_~temp~0#1.offset_22| (_ BitVec 32)) (|v_node_create_~data#1_20| (_ BitVec 32))) (and (= (_ bv0 1) (bvneg (select |c_old(#valid)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|))) (bvult |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (let ((.cse5 (bvadd (_ bv4 32) |v_node_create_~temp~0#1.offset_22|))) (let ((.cse9 (store |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_6))) (.cse7 (store |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 (_ bv0 32)) |v_node_create_~temp~0#1.offset_22| v_DerPreprocessor_5)))) (let ((.cse1 (bvadd (_ bv4 32) v_prenex_8)) (.cse3 (select (select .cse7 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)) (.cse4 (bvadd (_ bv4 32) (select (select .cse9 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)))) (select (select (let ((.cse0 (let ((.cse2 (store |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (store (select |c_old(#memory_int)| |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse5 v_DerPreprocessor_4) |v_node_create_~temp~0#1.offset_22| |v_node_create_~data#1_20|)))) (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 v_DerPreprocessor_3))))) (store .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse0 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 v_prenex_9))) (select (select (let ((.cse6 (store .cse7 .cse3 (store (select .cse7 .cse3) .cse4 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|)))) (store .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse6 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.base_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)) (select (select (let ((.cse8 (store .cse9 .cse3 (store (select .cse9 .cse3) .cse4 v_prenex_8)))) (store .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21| (store (select .cse8 |v_ULTIMATE.start_sll_insert_#t~ret7#1.base_21|) .cse1 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_14|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|))))))))) (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_12| (let ((.cse15 (bvadd (_ bv4 32) |node_create_~temp~0#1.offset|))) (let ((.cse19 (store |c_#memory_$Pointer$.offset| |v_node_create_~temp~0#1.base_31| (store (store (select |c_#memory_$Pointer$.offset| |v_node_create_~temp~0#1.base_31|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_26))) (.cse17 (store |c_#memory_$Pointer$.base| |v_node_create_~temp~0#1.base_31| (store (store (select |c_#memory_$Pointer$.base| |v_node_create_~temp~0#1.base_31|) .cse15 (_ bv0 32)) |node_create_~temp~0#1.offset| v_DerPreprocessor_27)))) (let ((.cse11 (bvadd (_ bv4 32) |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)) (.cse13 (select (select .cse17 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)) (.cse14 (bvadd (_ bv4 32) (select (select .cse19 |v_ULTIMATE.start_sll_insert_~head#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_sll_insert_~head#1.offset_BEFORE_CALL_6|)))) (select (select (let ((.cse10 (let ((.cse12 (store |c_#memory_int| |v_node_create_~temp~0#1.base_31| (store (store (select |c_#memory_int| |v_node_create_~temp~0#1.base_31|) .cse15 v_DerPreprocessor_25) |node_create_~temp~0#1.offset| |node_create_~data#1|)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 v_DerPreprocessor_21))))) (store .cse10 |v_node_create_~temp~0#1.base_31| (store (select .cse10 |v_node_create_~temp~0#1.base_31|) .cse11 v_DerPreprocessor_2))) (select (select (let ((.cse16 (store .cse17 .cse13 (store (select .cse17 .cse13) .cse14 |v_node_create_~temp~0#1.base_31|)))) (store .cse16 |v_node_create_~temp~0#1.base_31| (store (select .cse16 |v_node_create_~temp~0#1.base_31|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.base_24|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)) (select (select (let ((.cse18 (store .cse19 .cse13 (store (select .cse19 .cse13) .cse14 |ULTIMATE.start_sll_insert_~new_node~0#1.offset|)))) (store .cse18 |v_node_create_~temp~0#1.base_31| (store (select .cse18 |v_node_create_~temp~0#1.base_31|) .cse11 |v_ULTIMATE.start_sll_insert_~last~0#1.offset_24|))) |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_12|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10|)))))))) (not (= (_ bv0 1) (select |c_#valid| |v_node_create_~temp~0#1.base_31|))) (not (bvult |v_node_create_~temp~0#1.base_31| |c_#StackHeapBarrier|)))) is different from true [2021-11-23 02:54:19,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10302101 treesize of output 9475713 [2021-11-23 02:54:24,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33352252001 treesize of output 33123491673