./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF --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 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:54:19,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:54:19,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:54:19,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:54:19,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:54:19,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:54:19,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:54:19,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:54:19,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:54:19,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:54:19,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:54:19,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:54:19,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:54:19,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:54:19,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:54:19,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:54:19,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:54:19,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:54:19,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:54:19,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:54:19,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:54:19,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:54:19,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:54:19,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:54:19,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:54:19,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:54:19,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:54:19,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:54:19,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:54:19,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:54:19,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:54:19,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:54:19,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:54:19,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:54:19,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:54:19,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:54:19,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:54:19,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:54:19,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:54:19,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:54:19,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:54:19,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 22:54:19,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:54:19,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:54:19,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:54:19,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:54:19,468 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:54:19,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:54:19,468 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:54:19,468 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:54:19,469 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:54:19,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:54:19,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:54:19,472 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:54:19,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:54:19,473 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:54:19,473 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:54:19,473 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:54:19,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:54:19,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:54:19,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:54:19,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:54:19,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:54:19,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:54:19,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:54:19,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:54:19,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:54:19,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:54:19,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:54:19,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:54:19,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:54:19,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:54:19,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:54:19,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:19,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:54:19,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:54:19,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:54:19,482 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:54:19,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:54:19,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:54:19,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:54:19,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:54:19,483 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_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 [2021-11-12 22:54:19,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:54:19,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:54:19,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:54:19,851 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:54:19,852 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:54:19,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2021-11-12 22:54:19,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data/343c27f7b/b82d6ed91e2a4272b36cd07ea117b21b/FLAG708176d5c [2021-11-12 22:54:20,608 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:54:20,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2021-11-12 22:54:20,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data/343c27f7b/b82d6ed91e2a4272b36cd07ea117b21b/FLAG708176d5c [2021-11-12 22:54:20,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data/343c27f7b/b82d6ed91e2a4272b36cd07ea117b21b [2021-11-12 22:54:20,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:54:20,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:54:20,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:20,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:54:20,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:54:20,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:20" (1/1) ... [2021-11-12 22:54:20,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d84cfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:20, skipping insertion in model container [2021-11-12 22:54:20,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:20" (1/1) ... [2021-11-12 22:54:20,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:54:20,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:21,366 WARN L228 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_11ae6dfd-73bb-4e97-be36-1e8421eae141/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2021-11-12 22:54:21,386 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:21,387 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:21,388 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:21,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:21,424 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:54:21,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19c64ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:21, skipping insertion in model container [2021-11-12 22:54:21,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:21,426 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:54:21,428 INFO L158 Benchmark]: Toolchain (without parser) took 604.98ms. Allocated memory was 88.1MB in the beginning and 153.1MB in the end (delta: 65.0MB). Free memory was 51.4MB in the beginning and 127.5MB in the end (delta: -76.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-12 22:54:21,429 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:54:21,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.60ms. Allocated memory was 88.1MB in the beginning and 153.1MB in the end (delta: 65.0MB). Free memory was 51.2MB in the beginning and 127.5MB in the end (delta: -76.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-12 22:54:21,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.60ms. Allocated memory was 88.1MB in the beginning and 153.1MB in the end (delta: 65.0MB). Free memory was 51.2MB in the beginning and 127.5MB in the end (delta: -76.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 860]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF --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 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:54:23,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:54:23,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:54:24,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:54:24,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:54:24,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:54:24,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:54:24,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:54:24,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:54:24,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:54:24,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:54:24,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:54:24,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:54:24,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:54:24,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:54:24,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:54:24,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:54:24,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:54:24,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:54:24,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:54:24,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:54:24,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:54:24,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:54:24,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:54:24,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:54:24,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:54:24,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:54:24,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:54:24,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:54:24,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:54:24,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:54:24,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:54:24,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:54:24,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:54:24,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:54:24,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:54:24,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:54:24,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:54:24,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:54:24,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:54:24,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:54:24,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 22:54:24,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:54:24,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:54:24,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:54:24,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:54:24,110 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:54:24,111 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:54:24,111 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:54:24,112 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:54:24,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:54:24,113 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:54:24,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:54:24,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:54:24,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:54:24,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:54:24,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:54:24,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:54:24,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:54:24,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:54:24,117 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:54:24,118 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:54:24,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:54:24,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:54:24,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:54:24,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:54:24,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:54:24,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:54:24,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:54:24,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:24,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:54:24,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:54:24,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:54:24,122 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:54:24,122 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:54:24,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:54:24,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:54:24,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:54:24,123 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_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 [2021-11-12 22:54:24,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:54:24,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:54:24,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:54:24,608 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:54:24,609 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:54:24,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2021-11-12 22:54:24,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data/98bf90563/3b24e3e8ad2c4d34a14d98ba06db0193/FLAG29ccbaa5c [2021-11-12 22:54:25,482 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:54:25,483 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2021-11-12 22:54:25,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data/98bf90563/3b24e3e8ad2c4d34a14d98ba06db0193/FLAG29ccbaa5c [2021-11-12 22:54:25,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/data/98bf90563/3b24e3e8ad2c4d34a14d98ba06db0193 [2021-11-12 22:54:25,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:54:25,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:54:25,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:25,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:54:25,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:54:25,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:25" (1/1) ... [2021-11-12 22:54:25,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f57ca69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:25, skipping insertion in model container [2021-11-12 22:54:25,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:25" (1/1) ... [2021-11-12 22:54:25,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:54:25,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:26,408 WARN L228 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_11ae6dfd-73bb-4e97-be36-1e8421eae141/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2021-11-12 22:54:26,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:26,535 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:54:26,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:26,599 WARN L228 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_11ae6dfd-73bb-4e97-be36-1e8421eae141/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2021-11-12 22:54:26,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:26,652 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:54:26,709 WARN L228 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_11ae6dfd-73bb-4e97-be36-1e8421eae141/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2021-11-12 22:54:26,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:54:26,859 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:54:26,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26 WrapperNode [2021-11-12 22:54:26,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:26,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:54:26,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:54:26,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:54:26,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:26,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:26,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:54:26,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:54:26,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:54:26,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:54:26,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:26,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:27,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:27,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:27,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:27,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:27,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:27,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:54:27,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:54:27,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:54:27,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:54:27,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (1/1) ... [2021-11-12 22:54:27,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:27,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:54:27,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:54:27,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:54:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:54:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:54:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:54:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2021-11-12 22:54:27,182 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2021-11-12 22:54:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:54:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:54:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:54:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:54:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2021-11-12 22:54:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2021-11-12 22:54:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2021-11-12 22:54:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2021-11-12 22:54:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:54:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:54:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-12 22:54:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-12 22:54:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:54:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:54:28,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:54:28,017 INFO L299 CfgBuilder]: Removed 41 assume(true) statements. [2021-11-12 22:54:28,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:54:28 BoogieIcfgContainer [2021-11-12 22:54:28,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:54:28,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:54:28,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:54:28,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:54:28,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:54:25" (1/3) ... [2021-11-12 22:54:28,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181dd1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:54:28, skipping insertion in model container [2021-11-12 22:54:28,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:26" (2/3) ... [2021-11-12 22:54:28,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181dd1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:54:28, skipping insertion in model container [2021-11-12 22:54:28,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:54:28" (3/3) ... [2021-11-12 22:54:28,029 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux-2.i [2021-11-12 22:54:28,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:54:28,035 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:54:28,087 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:54:28,095 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 [2021-11-12 22:54:28,095 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:54:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 88 states have (on average 1.75) internal successors, (154), 107 states have internal predecessors, (154), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-12 22:54:28,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-12 22:54:28,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:28,123 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:54:28,123 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:28,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:28,130 INFO L85 PathProgramCache]: Analyzing trace with hash 844459879, now seen corresponding path program 1 times [2021-11-12 22:54:28,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:28,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694999927] [2021-11-12 22:54:28,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:54:28,145 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:28,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:28,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:28,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:54:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:54:28,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 22:54:28,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:54:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:54:28,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:54:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:54:28,386 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:54:28,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694999927] [2021-11-12 22:54:28,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694999927] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:54:28,387 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:54:28,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 22:54:28,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232612859] [2021-11-12 22:54:28,390 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:54:28,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 22:54:28,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:54:28,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 22:54:28,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:54:28,441 INFO L87 Difference]: Start difference. First operand has 117 states, 88 states have (on average 1.75) internal successors, (154), 107 states have internal predecessors, (154), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 22:54:28,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:54:28,531 INFO L93 Difference]: Finished difference Result 228 states and 395 transitions. [2021-11-12 22:54:28,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 22:54:28,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-12 22:54:28,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:54:28,548 INFO L225 Difference]: With dead ends: 228 [2021-11-12 22:54:28,548 INFO L226 Difference]: Without dead ends: 106 [2021-11-12 22:54:28,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 22:54:28,567 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 22:54:28,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 10.56ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 22:54:28,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-12 22:54:28,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-11-12 22:54:28,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 96 states have internal predecessors, (101), 21 states have call successors, (21), 4 states have call predecessors, (21), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-12 22:54:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 127 transitions. [2021-11-12 22:54:28,656 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 127 transitions. Word has length 9 [2021-11-12 22:54:28,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:54:28,657 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 127 transitions. [2021-11-12 22:54:28,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 22:54:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 127 transitions. [2021-11-12 22:54:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-12 22:54:28,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:28,663 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:54:28,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:54:28,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:54:28,885 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:28,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:28,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1622181416, now seen corresponding path program 1 times [2021-11-12 22:54:28,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:28,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459993873] [2021-11-12 22:54:28,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:54:28,888 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:28,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:28,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:28,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:54:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:54:29,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:54:29,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:54:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:54:29,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:54:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:54:29,300 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:54:29,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459993873] [2021-11-12 22:54:29,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459993873] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:54:29,305 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:54:29,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 5 [2021-11-12 22:54:29,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084653171] [2021-11-12 22:54:29,310 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:54:29,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:54:29,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:54:29,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:54:29,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 22:54:29,313 INFO L87 Difference]: Start difference. First operand 106 states and 127 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 22:54:29,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:54:29,541 INFO L93 Difference]: Finished difference Result 108 states and 128 transitions. [2021-11-12 22:54:29,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:54:29,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2021-11-12 22:54:29,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:54:29,546 INFO L225 Difference]: With dead ends: 108 [2021-11-12 22:54:29,546 INFO L226 Difference]: Without dead ends: 105 [2021-11-12 22:54:29,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:54:29,549 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 169 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.47ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.37ms IncrementalHoareTripleChecker+Time [2021-11-12 22:54:29,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 253 Invalid, 60 Unknown, 0 Unchecked, 12.47ms Time], IncrementalHoareTripleChecker [17 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 121.37ms Time] [2021-11-12 22:54:29,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-12 22:54:29,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-11-12 22:54:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 95 states have internal predecessors, (100), 20 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-12 22:54:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 125 transitions. [2021-11-12 22:54:29,581 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 125 transitions. Word has length 20 [2021-11-12 22:54:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:54:29,583 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 125 transitions. [2021-11-12 22:54:29,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 22:54:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 125 transitions. [2021-11-12 22:54:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-12 22:54:29,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:29,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:54:29,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:54:29,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:54:29,788 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:29,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:29,789 INFO L85 PathProgramCache]: Analyzing trace with hash -845475890, now seen corresponding path program 1 times [2021-11-12 22:54:29,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:29,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1713683716] [2021-11-12 22:54:29,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:54:29,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:29,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:29,800 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:29,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:54:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:54:29,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-12 22:54:29,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:54:30,105 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-11-12 22:54:30,106 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-11-12 22:54:30,402 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 22:54:30,405 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 16 treesize of output 16 [2021-11-12 22:54:43,550 WARN L227 SmtUtils]: Spent 13.02s on a formula simplification. DAG size of input: 56 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-12 22:54:43,551 INFO L354 Elim1Store]: treesize reduction 166, result has 26.9 percent of original size [2021-11-12 22:54:43,552 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 3 case distinctions, treesize of input 77 treesize of output 68 [2021-11-12 22:54:45,037 INFO L354 Elim1Store]: treesize reduction 53, result has 22.1 percent of original size [2021-11-12 22:54:45,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 58 treesize of output 69 [2021-11-12 22:54:46,361 INFO L354 Elim1Store]: treesize reduction 12, result has 75.5 percent of original size [2021-11-12 22:54:46,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 68 treesize of output 71 [2021-11-12 22:54:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:54:46,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:54:49,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:54:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:54:49,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:54:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:54:50,091 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:54:50,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1713683716] [2021-11-12 22:54:50,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1713683716] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:54:50,092 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:54:50,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 19 [2021-11-12 22:54:50,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599557191] [2021-11-12 22:54:50,093 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:54:50,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-12 22:54:50,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:54:50,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-12 22:54:50,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-11-12 22:54:50,095 INFO L87 Difference]: Start difference. First operand 105 states and 125 transitions. Second operand has 19 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 13 states have internal predecessors, (37), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 22:54:50,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:54:50,657 INFO L93 Difference]: Finished difference Result 144 states and 170 transitions. [2021-11-12 22:54:50,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-12 22:54:50,658 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 13 states have internal predecessors, (37), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2021-11-12 22:54:50,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:54:50,661 INFO L225 Difference]: With dead ends: 144 [2021-11-12 22:54:50,661 INFO L226 Difference]: Without dead ends: 141 [2021-11-12 22:54:50,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2021-11-12 22:54:50,663 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 28 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 290.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.18ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 85 IncrementalHoareTripleChecker+Unchecked, 358.12ms IncrementalHoareTripleChecker+Time [2021-11-12 22:54:50,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 1111 Invalid, 212 Unknown, 0 Unchecked, 8.18ms Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 85 Unchecked, 358.12ms Time] [2021-11-12 22:54:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-12 22:54:50,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 132. [2021-11-12 22:54:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 104 states have (on average 1.2019230769230769) internal successors, (125), 118 states have internal predecessors, (125), 23 states have call successors, (23), 6 states have call predecessors, (23), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-12 22:54:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2021-11-12 22:54:50,682 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 23 [2021-11-12 22:54:50,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:54:50,683 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2021-11-12 22:54:50,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 13 states have internal predecessors, (37), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 22:54:50,683 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2021-11-12 22:54:50,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 22:54:50,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:54:50,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:54:50,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-12 22:54:50,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:54:50,900 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:54:50,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:54:50,901 INFO L85 PathProgramCache]: Analyzing trace with hash 2145302357, now seen corresponding path program 1 times [2021-11-12 22:54:50,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:54:50,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700276286] [2021-11-12 22:54:50,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:54:50,901 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:54:50,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:54:50,905 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:54:50,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:54:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:54:51,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-12 22:54:51,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:54:51,170 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-11-12 22:54:51,171 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-11-12 22:54:51,420 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 22:54:51,420 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 16 treesize of output 16 [2021-11-12 22:54:51,486 INFO L354 Elim1Store]: treesize reduction 154, result has 0.6 percent of original size [2021-11-12 22:54:51,486 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 3 case distinctions, treesize of input 56 treesize of output 11 [2021-11-12 22:54:51,506 INFO L354 Elim1Store]: treesize reduction 154, result has 0.6 percent of original size [2021-11-12 22:54:51,507 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 3 case distinctions, treesize of input 56 treesize of output 11 [2021-11-12 22:54:51,526 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 [2021-11-12 22:54:51,543 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 [2021-11-12 22:54:59,906 INFO L354 Elim1Store]: treesize reduction 189, result has 10.0 percent of original size [2021-11-12 22:54:59,907 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 148 treesize of output 50 [2021-11-12 22:54:59,916 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 48 treesize of output 40 [2021-11-12 22:55:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:55:03,120 INFO L354 Elim1Store]: treesize reduction 162, result has 21.7 percent of original size [2021-11-12 22:55:03,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 73 [2021-11-12 22:55:09,615 INFO L354 Elim1Store]: treesize reduction 92, result has 18.6 percent of original size [2021-11-12 22:55:09,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 55 [2021-11-12 22:55:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:55:09,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:55:34,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:55:34,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1240 [2021-11-12 22:55:34,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:55:34,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1457 [2021-11-12 22:55:38,589 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_7 (_ BitVec 32)) (v_DerPreprocessor_6 (_ BitVec 32)) (|ULTIMATE.start_gl_insert_~node~1#1.offset| (_ BitVec 32)) (v_DerPreprocessor_5 (_ BitVec 32)) (v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32)) (|v_list_add___list_add_~new#1.offset_12| (_ BitVec 32)) (v_DerPreprocessor_8 (_ BitVec 32))) (not (= |c_~#gl_list~0.base| (select (select (let ((.cse0 (let ((.cse1 (let ((.cse5 (bvadd |ULTIMATE.start_gl_insert_~node~1#1.offset| (_ bv1 32))) (.cse6 (bvadd (_ bv2 32) |ULTIMATE.start_gl_insert_~node~1#1.offset|)) (.cse7 (bvadd (_ bv3 32) |ULTIMATE.start_gl_insert_~node~1#1.offset|))) (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base|) |ULTIMATE.start_gl_insert_~node~1#1.offset| v_DerPreprocessor_1) .cse5 v_DerPreprocessor_2) .cse6 v_DerPreprocessor_3) .cse7 v_DerPreprocessor_4)))) (let ((.cse3 (select (select .cse4 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|))) (let ((.cse2 (store .cse4 .cse3 (store (select .cse4 .cse3) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base|) |ULTIMATE.start_gl_insert_~node~1#1.offset| v_DerPreprocessor_5) .cse5 v_DerPreprocessor_6) .cse6 v_DerPreprocessor_7) .cse7 v_DerPreprocessor_8)) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store .cse2 |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (select .cse2 |c_ULTIMATE.start_gl_insert_~node~1#1.base|) |v_list_add___list_add_~new#1.offset_12| .cse3) (bvadd (_ bv4 32) |v_list_add___list_add_~new#1.offset_12|) |c_~#gl_list~0.base|)))))))) (store .cse1 |c_~#gl_list~0.base| (store (select .cse1 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base|))))) (store .cse0 |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (select .cse0 |c_ULTIMATE.start_gl_insert_~node~1#1.base|) (bvadd |ULTIMATE.start_gl_insert_~node~1#1.offset| (_ bv12 32)) |c_ULTIMATE.start_gl_insert_~node~1#1.base|))) |c_~#gl_list~0.base|) (bvadd (_ bv4 32) |c_~#gl_list~0.offset|))))) is different from false [2021-11-12 22:55:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:55:52,895 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:55:52,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700276286] [2021-11-12 22:55:52,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700276286] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:55:52,895 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:55:52,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 11] imperfect sequences [] total 19 [2021-11-12 22:55:52,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676396956] [2021-11-12 22:55:52,896 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:55:52,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-12 22:55:52,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:55:52,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-12 22:55:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=271, Unknown=17, NotChecked=34, Total=380 [2021-11-12 22:55:52,898 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand has 20 states, 19 states have (on average 2.210526315789474) internal successors, (42), 13 states have internal predecessors, (42), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 22:56:03,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:56:03,387 INFO L93 Difference]: Finished difference Result 145 states and 170 transitions. [2021-11-12 22:56:03,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-12 22:56:03,388 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.210526315789474) internal successors, (42), 13 states have internal predecessors, (42), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2021-11-12 22:56:03,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:56:03,390 INFO L225 Difference]: With dead ends: 145 [2021-11-12 22:56:03,390 INFO L226 Difference]: Without dead ends: 142 [2021-11-12 22:56:03,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 60.3s TimeCoverageRelationStatistics Valid=64, Invalid=300, Unknown=20, NotChecked=36, Total=420 [2021-11-12 22:56:03,392 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 12 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 975.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.76ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 317 IncrementalHoareTripleChecker+Unchecked, 1089.27ms IncrementalHoareTripleChecker+Time [2021-11-12 22:56:03,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 1136 Invalid, 541 Unknown, 0 Unchecked, 9.76ms Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 317 Unchecked, 1089.27ms Time] [2021-11-12 22:56:03,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-12 22:56:03,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-12 22:56:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 113 states have (on average 1.1858407079646018) internal successors, (134), 127 states have internal predecessors, (134), 24 states have call successors, (24), 7 states have call predecessors, (24), 4 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-12 22:56:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2021-11-12 22:56:03,414 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 26 [2021-11-12 22:56:03,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:56:03,415 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2021-11-12 22:56:03,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.210526315789474) internal successors, (42), 13 states have internal predecessors, (42), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 22:56:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2021-11-12 22:56:03,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-12 22:56:03,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:56:03,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:56:03,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 22:56:03,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:56:03,633 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:56:03,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:56:03,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1337820254, now seen corresponding path program 1 times [2021-11-12 22:56:03,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:56:03,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448982144] [2021-11-12 22:56:03,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:56:03,635 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:56:03,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:56:03,636 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:56:03,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:56:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:56:03,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-12 22:56:03,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:56:03,919 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-11-12 22:56:03,919 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-11-12 22:56:04,263 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 22:56:04,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2021-11-12 22:56:04,369 INFO L354 Elim1Store]: treesize reduction 154, result has 0.6 percent of original size [2021-11-12 22:56:04,369 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 3 case distinctions, treesize of input 56 treesize of output 11 [2021-11-12 22:56:04,414 INFO L354 Elim1Store]: treesize reduction 154, result has 0.6 percent of original size [2021-11-12 22:56:04,414 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 3 case distinctions, treesize of input 56 treesize of output 11 [2021-11-12 22:56:04,437 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 [2021-11-12 22:56:04,448 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 [2021-11-12 22:56:12,824 INFO L354 Elim1Store]: treesize reduction 189, result has 10.0 percent of original size [2021-11-12 22:56:12,825 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 148 treesize of output 50 [2021-11-12 22:56:12,832 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 48 treesize of output 40 [2021-11-12 22:56:14,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:56:16,672 INFO L354 Elim1Store]: treesize reduction 162, result has 21.7 percent of original size [2021-11-12 22:56:16,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 87 treesize of output 77 [2021-11-12 22:56:24,838 INFO L354 Elim1Store]: treesize reduction 92, result has 18.6 percent of original size [2021-11-12 22:56:24,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 59 [2021-11-12 22:56:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:56:24,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:57:07,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:57:07,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1240 [2021-11-12 22:57:07,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:57:07,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1457 [2021-11-12 22:57:11,677 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_gl_insert_~node~1#1.offset| (_ BitVec 32)) (v_DerPreprocessor_10 (_ BitVec 32)) (v_DerPreprocessor_13 (_ BitVec 32)) (|v_list_add___list_add_~new#1.offset_16| (_ BitVec 32)) (v_DerPreprocessor_14 (_ BitVec 32)) (v_DerPreprocessor_11 (_ BitVec 32)) (v_DerPreprocessor_12 (_ BitVec 32)) (v_DerPreprocessor_9 (_ BitVec 32)) (v_DerPreprocessor_15 (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (not (= (select (select (let ((.cse0 (let ((.cse1 (let ((.cse5 (bvadd |ULTIMATE.start_gl_insert_~node~1#1.offset| (_ bv1 32))) (.cse6 (bvadd (_ bv2 32) |ULTIMATE.start_gl_insert_~node~1#1.offset|)) (.cse7 (bvadd (_ bv3 32) |ULTIMATE.start_gl_insert_~node~1#1.offset|))) (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base|) |ULTIMATE.start_gl_insert_~node~1#1.offset| v_DerPreprocessor_9) .cse5 v_DerPreprocessor_10) .cse6 v_DerPreprocessor_11) .cse7 v_DerPreprocessor_12)))) (let ((.cse3 (select (select .cse4 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|))) (let ((.cse2 (store .cse4 .cse3 (store (select .cse4 .cse3) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base|) |ULTIMATE.start_gl_insert_~node~1#1.offset| v_DerPreprocessor_13) .cse5 v_DerPreprocessor_14) .cse6 v_DerPreprocessor_15) .cse7 v_DerPreprocessor_16)) |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store .cse2 |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (select .cse2 |c_ULTIMATE.start_gl_insert_~node~1#1.base|) |v_list_add___list_add_~new#1.offset_16| .cse3) (bvadd (_ bv4 32) |v_list_add___list_add_~new#1.offset_16|) |c_~#gl_list~0.base|)))))))) (store .cse1 |c_~#gl_list~0.base| (store (select .cse1 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base|))))) (store .cse0 |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (select .cse0 |c_ULTIMATE.start_gl_insert_~node~1#1.base|) (bvadd |ULTIMATE.start_gl_insert_~node~1#1.offset| (_ bv12 32)) |c_ULTIMATE.start_gl_insert_~node~1#1.base|))) |c_~#gl_list~0.base|) (bvadd (_ bv4 32) |c_~#gl_list~0.offset|)) (_ bv0 32)))) is different from false [2021-11-12 22:57:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:57:33,409 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:57:33,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448982144] [2021-11-12 22:57:33,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448982144] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:57:33,409 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:57:33,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 11] imperfect sequences [] total 19 [2021-11-12 22:57:33,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227657088] [2021-11-12 22:57:33,409 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:57:33,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-12 22:57:33,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:57:33,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-12 22:57:33,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=272, Unknown=22, NotChecked=34, Total=380 [2021-11-12 22:57:33,411 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand has 20 states, 19 states have (on average 2.526315789473684) internal successors, (48), 13 states have internal predecessors, (48), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 22:57:43,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:57:43,529 INFO L93 Difference]: Finished difference Result 193 states and 228 transitions. [2021-11-12 22:57:43,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 22:57:43,533 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.526315789473684) internal successors, (48), 13 states have internal predecessors, (48), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2021-11-12 22:57:43,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:57:43,534 INFO L225 Difference]: With dead ends: 193 [2021-11-12 22:57:43,534 INFO L226 Difference]: Without dead ends: 190 [2021-11-12 22:57:43,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 84.7s TimeCoverageRelationStatistics Valid=77, Invalid=364, Unknown=25, NotChecked=40, Total=506 [2021-11-12 22:57:43,536 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 63 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1102.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.89ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 694 IncrementalHoareTripleChecker+Unchecked, 1228.47ms IncrementalHoareTripleChecker+Time [2021-11-12 22:57:43,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 1083 Invalid, 908 Unknown, 0 Unchecked, 8.89ms Time], IncrementalHoareTripleChecker [7 Valid, 207 Invalid, 0 Unknown, 694 Unchecked, 1228.47ms Time] [2021-11-12 22:57:43,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-12 22:57:43,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 145. [2021-11-12 22:57:43,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 116 states have (on average 1.1810344827586208) internal successors, (137), 130 states have internal predecessors, (137), 24 states have call successors, (24), 7 states have call predecessors, (24), 4 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-12 22:57:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2021-11-12 22:57:43,556 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 29 [2021-11-12 22:57:43,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:57:43,557 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2021-11-12 22:57:43,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.526315789473684) internal successors, (48), 13 states have internal predecessors, (48), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 22:57:43,557 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2021-11-12 22:57:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-12 22:57:43,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:57:43,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:57:43,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 22:57:43,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:57:43,775 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:57:43,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:57:43,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1765703232, now seen corresponding path program 1 times [2021-11-12 22:57:43,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:57:43,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727670129] [2021-11-12 22:57:43,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:57:43,777 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:57:43,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:57:43,778 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:57:43,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 22:57:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:57:43,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-12 22:57:43,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:57:44,054 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-11-12 22:57:44,054 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-11-12 22:57:44,328 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 22:57:44,328 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 17 treesize of output 17 [2021-11-12 22:57:44,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 11 [2021-11-12 22:57:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:44,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 11 [2021-11-12 22:57:44,465 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 [2021-11-12 22:57:44,471 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 [2021-11-12 22:57:45,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:45,795 INFO L354 Elim1Store]: treesize reduction 174, result has 7.0 percent of original size [2021-11-12 22:57:45,796 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 299 treesize of output 167 [2021-11-12 22:57:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:45,841 INFO L354 Elim1Store]: treesize reduction 176, result has 7.9 percent of original size [2021-11-12 22:57:45,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 215 treesize of output 91 [2021-11-12 22:57:46,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:46,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:57:46,171 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-12 22:57:46,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 132 treesize of output 94 [2021-11-12 22:57:46,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:57:46,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:57:46,189 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-12 22:57:46,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 124 treesize of output 128 [2021-11-12 22:57:48,005 INFO L354 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2021-11-12 22:57:48,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 126 treesize of output 93 [2021-11-12 22:57:48,389 INFO L354 Elim1Store]: treesize reduction 42, result has 14.3 percent of original size [2021-11-12 22:57:48,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 79 treesize of output 35 [2021-11-12 22:57:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:57:48,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:58:22,473 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse10 (bvadd (_ bv4 32) |c_~#gl_list~0.offset|)) (.cse3 (bvadd |c_list_add_#in~new#1.offset| (_ bv8 32))) (.cse7 (bvadd |c_list_add_#in~new#1.offset| (_ bv4 32)))) (or (not (let ((.cse6 (select (select |c_#memory_$Pointer$.offset| |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset|))) (let ((.cse8 (select (select |c_#memory_$Pointer$.base| |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset|)) (.cse9 (bvadd (_ bv4 32) .cse6))) (let ((.cse1 (let ((.cse11 (let ((.cse12 (let ((.cse13 (store |c_#memory_$Pointer$.base| .cse8 (store (select |c_#memory_$Pointer$.base| .cse8) .cse9 |c_list_add_#in~new#1.base|)))) (store .cse13 |c_list_add_#in~new#1.base| (store (store (select .cse13 |c_list_add_#in~new#1.base|) |c_list_add_#in~new#1.offset| .cse8) .cse7 |c_list_add_#in~head#1.base|))))) (store .cse12 |c_list_add_#in~head#1.base| (store (select .cse12 |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.base|))))) (store .cse11 |c_list_add_#in~new#1.base| (store (select .cse11 |c_list_add_#in~new#1.base|) .cse3 |c_list_add_#in~new#1.base|))))) (let ((.cse0 (select (select .cse1 |c_~#gl_list~0.base|) .cse10))) (= .cse0 (select (select .cse1 .cse0) (select (select (let ((.cse2 (let ((.cse4 (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse8 (store (select |c_#memory_$Pointer$.offset| .cse8) .cse9 |c_list_add_#in~new#1.offset|)))) (store .cse5 |c_list_add_#in~new#1.base| (store (store (select .cse5 |c_list_add_#in~new#1.base|) |c_list_add_#in~new#1.offset| .cse6) .cse7 |c_list_add_#in~head#1.offset|))))) (store .cse4 |c_list_add_#in~head#1.base| (store (select .cse4 |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.offset|))))) (store .cse2 |c_list_add_#in~new#1.base| (store (select .cse2 |c_list_add_#in~new#1.base|) .cse3 .cse3))) |c_~#gl_list~0.base|) .cse10)))))))) (not (= |c_~#gl_list~0.offset| |c_list_add_#in~head#1.offset|)) (not (= |c_list_add_#in~head#1.base| |c_~#gl_list~0.base|)) (let ((.cse19 (select (select |c_old(#memory_$Pointer$.offset)| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|))) (let ((.cse20 (select (select |c_old(#memory_$Pointer$.base)| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse21 (bvadd (_ bv4 32) .cse19))) (let ((.cse14 (let ((.cse22 (let ((.cse23 (let ((.cse24 (store |c_old(#memory_$Pointer$.base)| .cse20 (store (select |c_old(#memory_$Pointer$.base)| .cse20) .cse21 |c_list_add_#in~new#1.base|)))) (store .cse24 |c_list_add_#in~new#1.base| (store (store (select .cse24 |c_list_add_#in~new#1.base|) |c_list_add_#in~new#1.offset| .cse20) .cse7 |c_~#gl_list~0.base|))))) (store .cse23 |c_~#gl_list~0.base| (store (select .cse23 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |c_list_add_#in~new#1.base|))))) (store .cse22 |c_list_add_#in~new#1.base| (store (select .cse22 |c_list_add_#in~new#1.base|) .cse3 |c_list_add_#in~new#1.base|))))) (let ((.cse15 (select (select .cse14 |c_~#gl_list~0.base|) .cse10))) (= (select (select .cse14 .cse15) (select (select (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_old(#memory_$Pointer$.offset)| .cse20 (store (select |c_old(#memory_$Pointer$.offset)| .cse20) .cse21 |c_list_add_#in~new#1.offset|)))) (store .cse18 |c_list_add_#in~new#1.base| (store (store (select .cse18 |c_list_add_#in~new#1.base|) |c_list_add_#in~new#1.offset| .cse19) .cse7 |c_~#gl_list~0.offset|))))) (store .cse17 |c_~#gl_list~0.base| (store (select .cse17 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |c_list_add_#in~new#1.offset|))))) (store .cse16 |c_list_add_#in~new#1.base| (store (select .cse16 |c_list_add_#in~new#1.base|) .cse3 .cse3))) |c_~#gl_list~0.base|) .cse10)) .cse15))))))) is different from false [2021-11-12 22:58:22,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:58:22,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4144 [2021-11-12 22:58:22,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:58:22,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5373 [2021-11-12 22:59:00,513 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_19 (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (|v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|))) (not (let ((.cse6 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv0 32) v_DerPreprocessor_21) (_ bv1 32) v_DerPreprocessor_22) (_ bv2 32) v_DerPreprocessor_23) (_ bv3 32) v_DerPreprocessor_24)))) (let ((.cse5 (select (select .cse6 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse13 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv0 32) v_DerPreprocessor_17) (_ bv1 32) v_DerPreprocessor_18) (_ bv2 32) v_DerPreprocessor_19) (_ bv3 32) v_DerPreprocessor_20)))) (let ((.cse7 (select (select .cse13 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse8 (bvadd (_ bv4 32) .cse5))) (let ((.cse0 (let ((.cse10 (let ((.cse11 (let ((.cse12 (store .cse13 .cse7 (store (select .cse13 .cse7) .cse8 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|)))) (store .cse12 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (store (select .cse12 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv4 32) .cse7) (_ bv8 32) |c_~#gl_list~0.base|))))) (store .cse11 |c_~#gl_list~0.base| (store (select .cse11 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|))))) (store .cse10 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (select .cse10 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv12 32) |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|)))) (.cse9 (bvadd (_ bv4 32) |c_~#gl_list~0.offset|))) (let ((.cse1 (select (select .cse0 |c_~#gl_list~0.base|) .cse9))) (= (select (select .cse0 .cse1) (select (select (let ((.cse2 (let ((.cse3 (let ((.cse4 (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 (_ bv4 32))))) (store .cse4 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (store (select .cse4 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv4 32) .cse5) (_ bv8 32) |c_~#gl_list~0.offset|))))) (store .cse3 |c_~#gl_list~0.base| (store (select .cse3 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| (_ bv4 32)))))) (store .cse2 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (select .cse2 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv12 32) (_ bv12 32)))) |c_~#gl_list~0.base|) .cse9)) .cse1))))))))) is different from false [2021-11-12 22:59:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:59:02,657 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:59:02,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727670129] [2021-11-12 22:59:02,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727670129] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:59:02,658 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:59:02,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 12] imperfect sequences [] total 21 [2021-11-12 22:59:02,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886725866] [2021-11-12 22:59:02,658 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:59:02,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-12 22:59:02,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:59:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-12 22:59:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=325, Unknown=11, NotChecked=74, Total=462 [2021-11-12 22:59:02,660 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand has 22 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 15 states have internal predecessors, (54), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 22:59:05,001 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_~#gl_list~0.base| (select (select |c_#memory_$Pointer$.base| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (= (select (select |c_#memory_$Pointer$.offset| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|) |c_~#gl_list~0.offset|) (= |c_~#gl_list~0.offset| (_ bv0 32)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |c_#valid| |c_~#gl_list~0.base|)))) (forall ((v_DerPreprocessor_19 (_ BitVec 32)) (v_DerPreprocessor_20 (_ BitVec 32)) (v_DerPreprocessor_21 (_ BitVec 32)) (|v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (_ BitVec 32)) (v_DerPreprocessor_24 (_ BitVec 32)) (v_DerPreprocessor_22 (_ BitVec 32)) (v_DerPreprocessor_23 (_ BitVec 32)) (v_DerPreprocessor_17 (_ BitVec 32)) (v_DerPreprocessor_18 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|))) (not (let ((.cse6 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv0 32) v_DerPreprocessor_21) (_ bv1 32) v_DerPreprocessor_22) (_ bv2 32) v_DerPreprocessor_23) (_ bv3 32) v_DerPreprocessor_24)))) (let ((.cse5 (select (select .cse6 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse13 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv0 32) v_DerPreprocessor_17) (_ bv1 32) v_DerPreprocessor_18) (_ bv2 32) v_DerPreprocessor_19) (_ bv3 32) v_DerPreprocessor_20)))) (let ((.cse7 (select (select .cse13 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse8 (bvadd (_ bv4 32) .cse5))) (let ((.cse0 (let ((.cse10 (let ((.cse11 (let ((.cse12 (store .cse13 .cse7 (store (select .cse13 .cse7) .cse8 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|)))) (store .cse12 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (store (select .cse12 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv4 32) .cse7) (_ bv8 32) |c_~#gl_list~0.base|))))) (store .cse11 |c_~#gl_list~0.base| (store (select .cse11 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|))))) (store .cse10 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (select .cse10 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv12 32) |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|)))) (.cse9 (bvadd (_ bv4 32) |c_~#gl_list~0.offset|))) (let ((.cse1 (select (select .cse0 |c_~#gl_list~0.base|) .cse9))) (= (select (select .cse0 .cse1) (select (select (let ((.cse2 (let ((.cse3 (let ((.cse4 (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 (_ bv4 32))))) (store .cse4 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (store (select .cse4 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv4 32) .cse5) (_ bv8 32) |c_~#gl_list~0.offset|))))) (store .cse3 |c_~#gl_list~0.base| (store (select .cse3 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| (_ bv4 32)))))) (store .cse2 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16| (store (select .cse2 |v_ULTIMATE.start_gl_insert_~node~1#1.base_16|) (_ bv12 32) (_ bv12 32)))) |c_~#gl_list~0.base|) .cse9)) .cse1)))))))))) is different from false [2021-11-12 22:59:07,878 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse10 (bvadd (_ bv4 32) |c_~#gl_list~0.offset|)) (.cse3 (bvadd |c_list_add_#in~new#1.offset| (_ bv8 32))) (.cse7 (bvadd |c_list_add_#in~new#1.offset| (_ bv4 32)))) (or (not (let ((.cse6 (select (select |c_#memory_$Pointer$.offset| |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset|))) (let ((.cse8 (select (select |c_#memory_$Pointer$.base| |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset|)) (.cse9 (bvadd (_ bv4 32) .cse6))) (let ((.cse1 (let ((.cse11 (let ((.cse12 (let ((.cse13 (store |c_#memory_$Pointer$.base| .cse8 (store (select |c_#memory_$Pointer$.base| .cse8) .cse9 |c_list_add_#in~new#1.base|)))) (store .cse13 |c_list_add_#in~new#1.base| (store (store (select .cse13 |c_list_add_#in~new#1.base|) |c_list_add_#in~new#1.offset| .cse8) .cse7 |c_list_add_#in~head#1.base|))))) (store .cse12 |c_list_add_#in~head#1.base| (store (select .cse12 |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.base|))))) (store .cse11 |c_list_add_#in~new#1.base| (store (select .cse11 |c_list_add_#in~new#1.base|) .cse3 |c_list_add_#in~new#1.base|))))) (let ((.cse0 (select (select .cse1 |c_~#gl_list~0.base|) .cse10))) (= .cse0 (select (select .cse1 .cse0) (select (select (let ((.cse2 (let ((.cse4 (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse8 (store (select |c_#memory_$Pointer$.offset| .cse8) .cse9 |c_list_add_#in~new#1.offset|)))) (store .cse5 |c_list_add_#in~new#1.base| (store (store (select .cse5 |c_list_add_#in~new#1.base|) |c_list_add_#in~new#1.offset| .cse6) .cse7 |c_list_add_#in~head#1.offset|))))) (store .cse4 |c_list_add_#in~head#1.base| (store (select .cse4 |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.offset|))))) (store .cse2 |c_list_add_#in~new#1.base| (store (select .cse2 |c_list_add_#in~new#1.base|) .cse3 .cse3))) |c_~#gl_list~0.base|) .cse10)))))))) (not (= |c_~#gl_list~0.offset| |c_list_add_#in~head#1.offset|)) (not (= |c_list_add_#in~head#1.base| |c_~#gl_list~0.base|)) (let ((.cse19 (select (select |c_old(#memory_$Pointer$.offset)| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|))) (let ((.cse20 (select (select |c_old(#memory_$Pointer$.base)| |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse21 (bvadd (_ bv4 32) .cse19))) (let ((.cse14 (let ((.cse22 (let ((.cse23 (let ((.cse24 (store |c_old(#memory_$Pointer$.base)| .cse20 (store (select |c_old(#memory_$Pointer$.base)| .cse20) .cse21 |c_list_add_#in~new#1.base|)))) (store .cse24 |c_list_add_#in~new#1.base| (store (store (select .cse24 |c_list_add_#in~new#1.base|) |c_list_add_#in~new#1.offset| .cse20) .cse7 |c_~#gl_list~0.base|))))) (store .cse23 |c_~#gl_list~0.base| (store (select .cse23 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |c_list_add_#in~new#1.base|))))) (store .cse22 |c_list_add_#in~new#1.base| (store (select .cse22 |c_list_add_#in~new#1.base|) .cse3 |c_list_add_#in~new#1.base|))))) (let ((.cse15 (select (select .cse14 |c_~#gl_list~0.base|) .cse10))) (= (select (select .cse14 .cse15) (select (select (let ((.cse16 (let ((.cse17 (let ((.cse18 (store |c_old(#memory_$Pointer$.offset)| .cse20 (store (select |c_old(#memory_$Pointer$.offset)| .cse20) .cse21 |c_list_add_#in~new#1.offset|)))) (store .cse18 |c_list_add_#in~new#1.base| (store (store (select .cse18 |c_list_add_#in~new#1.base|) |c_list_add_#in~new#1.offset| .cse19) .cse7 |c_~#gl_list~0.offset|))))) (store .cse17 |c_~#gl_list~0.base| (store (select .cse17 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |c_list_add_#in~new#1.offset|))))) (store .cse16 |c_list_add_#in~new#1.base| (store (select .cse16 |c_list_add_#in~new#1.base|) .cse3 .cse3))) |c_~#gl_list~0.base|) .cse10)) .cse15))))))) (= |c_~#gl_list~0.offset| (_ bv0 32)) (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|) (= |c_old(#memory_$Pointer$.base)| |c_#memory_$Pointer$.base|)) is different from false [2021-11-12 22:59:36,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:59:37,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:59:50,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:00:44,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:00:44,848 INFO L93 Difference]: Finished difference Result 185 states and 216 transitions. [2021-11-12 23:00:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-12 23:00:44,849 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 15 states have internal predecessors, (54), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2021-11-12 23:00:44,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:00:44,850 INFO L225 Difference]: With dead ends: 185 [2021-11-12 23:00:44,850 INFO L226 Difference]: Without dead ends: 182 [2021-11-12 23:00:44,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 105.3s TimeCoverageRelationStatistics Valid=123, Invalid=575, Unknown=20, NotChecked=212, Total=930 [2021-11-12 23:00:44,852 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 120 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43269.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.05ms SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 340 IncrementalHoareTripleChecker+Unchecked, 44794.67ms IncrementalHoareTripleChecker+Time [2021-11-12 23:00:44,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 1329 Invalid, 1114 Unknown, 0 Unchecked, 13.05ms Time], IncrementalHoareTripleChecker [40 Valid, 733 Invalid, 1 Unknown, 340 Unchecked, 44794.67ms Time] [2021-11-12 23:00:44,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-11-12 23:00:44,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 177. [2021-11-12 23:00:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 144 states have (on average 1.1875) internal successors, (171), 157 states have internal predecessors, (171), 27 states have call successors, (27), 9 states have call predecessors, (27), 5 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-12 23:00:44,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 209 transitions. [2021-11-12 23:00:44,883 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 209 transitions. Word has length 32 [2021-11-12 23:00:44,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:00:44,884 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 209 transitions. [2021-11-12 23:00:44,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 15 states have internal predecessors, (54), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:00:44,884 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 209 transitions. [2021-11-12 23:00:44,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-12 23:00:44,886 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:00:44,886 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:00:44,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:00:45,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:00:45,093 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:00:45,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:00:45,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1378941963, now seen corresponding path program 1 times [2021-11-12 23:00:45,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:00:45,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38503502] [2021-11-12 23:00:45,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:00:45,094 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:00:45,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:00:45,095 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:00:45,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ae6dfd-73bb-4e97-be36-1e8421eae141/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:00:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:00:45,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-12 23:00:45,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:00:45,399 INFO L354 Elim1Store]: treesize reduction 77, result has 29.4 percent of original size [2021-11-12 23:00:45,399 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 3 case distinctions, treesize of input 15 treesize of output 37 [2021-11-12 23:00:45,670 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-12 23:00:45,671 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 16 treesize of output 16 [2021-11-12 23:00:45,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 11 [2021-11-12 23:00:45,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:45,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 11 [2021-11-12 23:00:45,815 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 [2021-11-12 23:00:45,829 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 [2021-11-12 23:00:47,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:47,218 INFO L354 Elim1Store]: treesize reduction 174, result has 7.0 percent of original size [2021-11-12 23:00:47,218 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 299 treesize of output 167 [2021-11-12 23:00:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:47,250 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-11-12 23:00:47,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 79 [2021-11-12 23:00:47,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:47,667 INFO L354 Elim1Store]: treesize reduction 254, result has 13.9 percent of original size [2021-11-12 23:00:47,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 176 treesize of output 133 [2021-11-12 23:00:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:00:47,762 INFO L354 Elim1Store]: treesize reduction 214, result has 16.7 percent of original size [2021-11-12 23:00:47,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 166 treesize of output 145 [2021-11-12 23:00:49,444 INFO L354 Elim1Store]: treesize reduction 160, result has 0.6 percent of original size [2021-11-12 23:00:49,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 152 treesize of output 87 [2021-11-12 23:00:49,889 INFO L354 Elim1Store]: treesize reduction 147, result has 5.2 percent of original size [2021-11-12 23:00:49,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 44 [2021-11-12 23:00:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:00:50,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:02:18,133 WARN L227 SmtUtils]: Spent 13.27s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:02:18,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:02:18,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3270 [2021-11-12 23:02:18,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:02:18,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5419 [2021-11-12 23:02:24,643 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_31 (_ BitVec 32)) (v_DerPreprocessor_32 (_ BitVec 32)) (v_DerPreprocessor_30 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (not (let ((.cse17 (bvadd |c_ULTIMATE.start_gl_insert_~node~1#1.offset| (_ bv1 32))) (.cse18 (bvadd (_ bv2 32) |c_ULTIMATE.start_gl_insert_~node~1#1.offset|)) (.cse19 (bvadd (_ bv3 32) |c_ULTIMATE.start_gl_insert_~node~1#1.offset|))) (let ((.cse16 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base|) |c_ULTIMATE.start_gl_insert_~node~1#1.offset| v_DerPreprocessor_29) .cse17 v_DerPreprocessor_30) .cse18 v_DerPreprocessor_31) .cse19 v_DerPreprocessor_32)))) (let ((.cse15 (select (select .cse16 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_gl_insert_~node~1#1.base|) |c_ULTIMATE.start_gl_insert_~node~1#1.offset| v_DerPreprocessor_25) .cse17 v_DerPreprocessor_26) .cse18 v_DerPreprocessor_27) .cse19 v_DerPreprocessor_28)))) (let ((.cse2 (bvadd |c_ULTIMATE.start_gl_insert_~node~1#1.offset| (_ bv12 32))) (.cse7 (bvadd (_ bv8 32) |c_ULTIMATE.start_gl_insert_~node~1#1.offset|)) (.cse6 (select (select .cse8 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse9 (bvadd (_ bv4 32) .cse15)) (.cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_gl_insert_~node~1#1.offset|))) (let ((.cse0 (let ((.cse12 (let ((.cse13 (let ((.cse14 (store .cse16 .cse6 (store (select .cse16 .cse6) .cse9 .cse5)))) (store .cse14 |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (select .cse14 |c_ULTIMATE.start_gl_insert_~node~1#1.base|) .cse5 .cse15) .cse7 |c_~#gl_list~0.offset|))))) (store .cse13 |c_~#gl_list~0.base| (store (select .cse13 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| .cse5))))) (store .cse12 |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (select .cse12 |c_ULTIMATE.start_gl_insert_~node~1#1.base|) .cse2 .cse2)))) (.cse10 (bvadd (_ bv4 32) |c_~#gl_list~0.offset|))) (let ((.cse11 (select (select .cse0 |c_~#gl_list~0.base|) .cse10))) (= (select (select .cse0 (select (select (let ((.cse1 (let ((.cse3 (let ((.cse4 (store .cse8 .cse6 (store (select .cse8 .cse6) .cse9 |c_ULTIMATE.start_gl_insert_~node~1#1.base|)))) (store .cse4 |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (store (select .cse4 |c_ULTIMATE.start_gl_insert_~node~1#1.base|) .cse5 .cse6) .cse7 |c_~#gl_list~0.base|))))) (store .cse3 |c_~#gl_list~0.base| (store (select .cse3 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |c_ULTIMATE.start_gl_insert_~node~1#1.base|))))) (store .cse1 |c_ULTIMATE.start_gl_insert_~node~1#1.base| (store (select .cse1 |c_ULTIMATE.start_gl_insert_~node~1#1.base|) .cse2 |c_ULTIMATE.start_gl_insert_~node~1#1.base|))) |c_~#gl_list~0.base|) .cse10)) (bvadd (_ bv4 32) .cse11)) .cse11))))))))) is different from false [2021-11-12 23:02:29,817 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_31 (_ BitVec 32)) (|v_ULTIMATE.start_gl_insert_~node~1#1.base_18| (_ BitVec 32)) (v_DerPreprocessor_32 (_ BitVec 32)) (v_DerPreprocessor_30 (_ BitVec 32)) (v_DerPreprocessor_25 (_ BitVec 32)) (v_DerPreprocessor_28 (_ BitVec 32)) (v_DerPreprocessor_29 (_ BitVec 32)) (v_DerPreprocessor_26 (_ BitVec 32)) (v_DerPreprocessor_27 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|)))) (not (let ((.cse13 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_gl_insert_~node~1#1.base_18| (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|) (_ bv0 32) v_DerPreprocessor_29) (_ bv1 32) v_DerPreprocessor_30) (_ bv2 32) v_DerPreprocessor_31) (_ bv3 32) v_DerPreprocessor_32)))) (let ((.cse12 (select (select .cse13 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse6 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_gl_insert_~node~1#1.base_18| (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|) (_ bv0 32) v_DerPreprocessor_25) (_ bv1 32) v_DerPreprocessor_26) (_ bv2 32) v_DerPreprocessor_27) (_ bv3 32) v_DerPreprocessor_28)))) (let ((.cse5 (select (select .cse6 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset|)) (.cse7 (bvadd (_ bv4 32) .cse12))) (let ((.cse1 (let ((.cse9 (let ((.cse10 (let ((.cse11 (store .cse13 .cse5 (store (select .cse13 .cse5) .cse7 (_ bv4 32))))) (store .cse11 |v_ULTIMATE.start_gl_insert_~node~1#1.base_18| (store (store (select .cse11 |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|) (_ bv4 32) .cse12) (_ bv8 32) |c_~#gl_list~0.offset|))))) (store .cse10 |c_~#gl_list~0.base| (store (select .cse10 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| (_ bv4 32)))))) (store .cse9 |v_ULTIMATE.start_gl_insert_~node~1#1.base_18| (store (select .cse9 |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|) (_ bv12 32) (_ bv12 32))))) (.cse8 (bvadd (_ bv4 32) |c_~#gl_list~0.offset|))) (let ((.cse0 (select (select .cse1 |c_~#gl_list~0.base|) .cse8))) (= .cse0 (select (select .cse1 (select (select (let ((.cse2 (let ((.cse3 (let ((.cse4 (store .cse6 .cse5 (store (select .cse6 .cse5) .cse7 |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|)))) (store .cse4 |v_ULTIMATE.start_gl_insert_~node~1#1.base_18| (store (store (select .cse4 |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|) (_ bv4 32) .cse5) (_ bv8 32) |c_~#gl_list~0.base|))))) (store .cse3 |c_~#gl_list~0.base| (store (select .cse3 |c_~#gl_list~0.base|) |c_~#gl_list~0.offset| |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|))))) (store .cse2 |v_ULTIMATE.start_gl_insert_~node~1#1.base_18| (store (select .cse2 |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|) (_ bv12 32) |v_ULTIMATE.start_gl_insert_~node~1#1.base_18|))) |c_~#gl_list~0.base|) .cse8)) (bvadd (_ bv4 32) .cse0))))))))))) is different from false [2021-11-12 23:02:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:02:32,078 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:02:32,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38503502] [2021-11-12 23:02:32,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38503502] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:02:32,079 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:02:32,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 12] imperfect sequences [] total 22 [2021-11-12 23:02:32,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365569787] [2021-11-12 23:02:32,079 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:02:32,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-12 23:02:32,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:02:32,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-12 23:02:32,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=361, Unknown=12, NotChecked=78, Total=506 [2021-11-12 23:02:32,081 INFO L87 Difference]: Start difference. First operand 177 states and 209 transitions. Second operand has 23 states, 22 states have (on average 2.772727272727273) internal successors, (61), 16 states have internal predecessors, (61), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:02:41,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:02:46,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:02:48,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:02:50,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:02:52,410 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:02:54,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:13,806 WARN L227 SmtUtils]: Spent 8.81s on a formula simplification. DAG size of input: 133 DAG size of output: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:03:15,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:30,291 WARN L227 SmtUtils]: Spent 6.67s on a formula simplification. DAG size of input: 162 DAG size of output: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:03:32,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:34,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:38,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:39,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:42,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:44,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:47,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:03:49,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:06,484 WARN L227 SmtUtils]: Spent 8.50s on a formula simplification. DAG size of input: 162 DAG size of output: 97 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-12 23:04:08,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:10,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:16,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:18,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:20,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:21,203 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:23,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:25,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:27,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:28,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:31,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:36,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:39,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:42,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:44,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:46,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:47,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:49,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:51,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:54,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:56,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:59,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:00,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:02,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:04,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:07,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:08,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:10,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:11,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:13,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:15,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:18,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:20,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:21,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:23,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:25,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:28,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:30,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:31,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:34,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:35,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:38,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:40,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:42,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:44,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:46,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:48,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:50,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:51,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:53,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:57,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:58,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:00,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:02,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:04,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:06,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:09,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:11,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:12,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:13,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:16,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:18,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:20,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:22,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:23,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:25,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:27,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:29,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:31,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:33,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:34,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:38,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:40,955 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:48,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:51,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:54,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:57,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:01,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:02,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:05,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:09,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:10,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:13,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:17,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:20,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:21,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:24,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:26,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:27,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:29,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:31,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:32,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:34,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:35,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:36,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:38,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:41,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:43,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:45,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:48,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:51,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:53,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:54,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:56,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:58,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:00,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:03,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:05,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:07,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:11,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:14,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:19,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:21,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:23,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:25,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:27,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:29,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:31,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:32,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:34,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:38,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:39,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []