./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:29:04,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:29:04,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:29:04,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:29:04,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:29:04,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:29:04,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:29:04,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:29:04,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:29:04,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:29:04,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:29:04,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:29:04,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:29:04,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:29:04,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:29:04,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:29:04,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:29:04,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:29:04,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:29:04,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:29:04,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:29:04,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:29:04,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:29:04,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:29:04,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:29:04,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:29:04,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:29:04,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:29:04,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:29:04,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:29:04,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:29:04,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:29:04,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:29:04,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:29:04,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:29:04,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:29:04,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:29:04,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:29:04,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:29:04,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:29:04,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:29:04,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 09:29:04,828 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:29:04,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:29:04,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:29:04,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:29:04,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:29:04,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:29:04,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:29:04,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:29:04,832 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:29:04,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:29:04,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:29:04,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:29:04,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:29:04,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:29:04,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:29:04,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:29:04,834 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:29:04,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:29:04,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:29:04,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:29:04,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:29:04,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:04,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:29:04,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:29:04,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:29:04,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:29:04,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:29:04,837 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:29:04,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:29:04,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:29:04,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2022-11-20 09:29:05,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:29:05,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:29:05,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:29:05,201 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:29:05,202 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:29:05,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-11-20 09:29:08,237 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:29:08,767 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:29:08,767 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-11-20 09:29:08,809 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/data/072dd7f0e/5ec3a4a84226403e8b4b8aebc4fcb6af/FLAG32b1e7b06 [2022-11-20 09:29:08,829 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/data/072dd7f0e/5ec3a4a84226403e8b4b8aebc4fcb6af [2022-11-20 09:29:08,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:29:08,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:29:08,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:08,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:29:08,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:29:08,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:08" (1/1) ... [2022-11-20 09:29:08,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d88db2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:08, skipping insertion in model container [2022-11-20 09:29:08,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:08" (1/1) ... [2022-11-20 09:29:08,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:29:08,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:29:09,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-20 09:29:09,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-20 09:29:10,265 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:29:10,356 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,357 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,357 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,358 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,360 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,375 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,376 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,382 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,384 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,386 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,390 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,390 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,391 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:10,896 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:29:10,897 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:29:10,899 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:29:10,900 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:29:10,902 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:29:10,903 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:29:10,904 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:29:10,905 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:29:10,905 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:29:10,906 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:29:11,112 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,119 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:11,256 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:29:11,268 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-20 09:29:11,269 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-20 09:29:11,301 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:29:11,315 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,315 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,316 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,316 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,317 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,324 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,325 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,326 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,327 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,328 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,329 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,329 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,330 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:29:11,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:29:11,367 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:29:11,368 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:29:11,369 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:29:11,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:29:11,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:29:11,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:29:11,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:29:11,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:29:11,400 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,406 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:11,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:11,684 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:29:11,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11 WrapperNode [2022-11-20 09:29:11,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:11,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:11,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:29:11,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:29:11,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,829 INFO L138 Inliner]: procedures = 690, calls = 1714, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 680 [2022-11-20 09:29:11,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:11,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:29:11,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:29:11,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:29:11,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:29:11,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:29:11,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:29:11,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:29:11,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (1/1) ... [2022-11-20 09:29:11,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:11,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:29:11,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:29:11,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:29:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:29:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-20 09:29:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-20 09:29:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-20 09:29:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-20 09:29:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-20 09:29:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-20 09:29:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:29:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 09:29:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 09:29:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 09:29:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 09:29:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:29:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:29:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-20 09:29:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-20 09:29:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:29:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:29:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:29:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 09:29:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 09:29:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-20 09:29:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-20 09:29:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 09:29:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 09:29:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 09:29:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 09:29:12,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:29:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:29:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:29:12,014 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-20 09:29:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-20 09:29:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 09:29:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 09:29:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:29:12,015 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-11-20 09:29:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-11-20 09:29:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-20 09:29:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-20 09:29:12,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:29:12,449 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:29:12,452 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:29:14,221 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:29:14,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:29:14,242 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:29:14,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:14 BoogieIcfgContainer [2022-11-20 09:29:14,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:29:14,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:29:14,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:29:14,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:29:14,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:29:08" (1/3) ... [2022-11-20 09:29:14,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e35e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:14, skipping insertion in model container [2022-11-20 09:29:14,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:11" (2/3) ... [2022-11-20 09:29:14,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e35e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:14, skipping insertion in model container [2022-11-20 09:29:14,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:14" (3/3) ... [2022-11-20 09:29:14,257 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2022-11-20 09:29:14,308 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:29:14,308 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:29:14,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:29:14,382 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57e4f574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:29:14,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:29:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-20 09:29:14,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-20 09:29:14,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:14,406 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:14,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:14,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:14,413 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2022-11-20 09:29:14,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:14,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107078764] [2022-11-20 09:29:14,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:14,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:29:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 09:29:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 09:29:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:29:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 09:29:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 09:29:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 09:29:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:29:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 09:29:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 09:29:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:29:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:29:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:29:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-20 09:29:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 09:29:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 09:29:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 09:29:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 09:29:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:29:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-20 09:29:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-20 09:29:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-20 09:29:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-20 09:29:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-20 09:29:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:29:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-20 09:29:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 09:29:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 09:29:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2022-11-20 09:29:15,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:15,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107078764] [2022-11-20 09:29:15,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107078764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:15,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:15,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:29:15,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971078151] [2022-11-20 09:29:15,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:15,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:29:15,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:15,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:29:15,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:29:15,707 INFO L87 Difference]: Start difference. First operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 09:29:18,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:18,116 INFO L93 Difference]: Finished difference Result 332 states and 486 transitions. [2022-11-20 09:29:18,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:29:18,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2022-11-20 09:29:18,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:18,129 INFO L225 Difference]: With dead ends: 332 [2022-11-20 09:29:18,129 INFO L226 Difference]: Without dead ends: 171 [2022-11-20 09:29:18,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:29:18,137 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 76 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:18,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 240 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 09:29:18,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-20 09:29:18,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 155. [2022-11-20 09:29:18,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 89 states have internal predecessors, (101), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-20 09:29:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2022-11-20 09:29:18,196 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 174 [2022-11-20 09:29:18,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:18,196 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2022-11-20 09:29:18,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 09:29:18,197 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2022-11-20 09:29:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-20 09:29:18,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:18,201 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:18,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:29:18,202 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:18,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:18,203 INFO L85 PathProgramCache]: Analyzing trace with hash 179931383, now seen corresponding path program 1 times [2022-11-20 09:29:18,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:18,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77591453] [2022-11-20 09:29:18,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:18,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:29:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 09:29:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 09:29:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:29:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 09:29:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 09:29:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 09:29:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:29:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 09:29:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 09:29:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:29:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:29:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:29:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-20 09:29:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 09:29:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 09:29:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 09:29:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 09:29:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:29:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-20 09:29:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-20 09:29:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-20 09:29:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-20 09:29:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-20 09:29:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:29:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-20 09:29:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 09:29:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 09:29:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-11-20 09:29:19,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:19,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77591453] [2022-11-20 09:29:19,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77591453] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:29:19,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119447935] [2022-11-20 09:29:19,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:19,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:29:19,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:29:19,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:29:19,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:29:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:19,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 2615 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:29:20,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-11-20 09:29:20,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:20,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119447935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:20,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:29:20,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-11-20 09:29:20,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037740519] [2022-11-20 09:29:20,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:20,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:20,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:20,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:20,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:29:20,169 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:29:21,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:21,979 INFO L93 Difference]: Finished difference Result 305 states and 406 transitions. [2022-11-20 09:29:21,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:29:21,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2022-11-20 09:29:21,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:21,983 INFO L225 Difference]: With dead ends: 305 [2022-11-20 09:29:21,983 INFO L226 Difference]: Without dead ends: 157 [2022-11-20 09:29:21,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-11-20 09:29:21,985 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 194 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:21,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 559 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 09:29:21,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-20 09:29:22,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-20 09:29:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (57), 51 states have call predecessors, (57), 51 states have call successors, (57) [2022-11-20 09:29:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 211 transitions. [2022-11-20 09:29:22,014 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 211 transitions. Word has length 174 [2022-11-20 09:29:22,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:22,016 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 211 transitions. [2022-11-20 09:29:22,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:29:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2022-11-20 09:29:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-20 09:29:22,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:22,025 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:22,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:29:22,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-20 09:29:22,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:22,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:22,238 INFO L85 PathProgramCache]: Analyzing trace with hash 432837413, now seen corresponding path program 1 times [2022-11-20 09:29:22,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:22,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352598464] [2022-11-20 09:29:22,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:22,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:22,347 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:29:22,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881830256] [2022-11-20 09:29:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:22,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:29:22,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:29:22,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:29:22,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 09:29:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:23,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 2756 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:29:23,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-11-20 09:29:23,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:23,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:23,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352598464] [2022-11-20 09:29:23,118 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:29:23,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881830256] [2022-11-20 09:29:23,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881830256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:23,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:23,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:23,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860115361] [2022-11-20 09:29:23,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:23,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:23,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:23,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:23,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:23,121 INFO L87 Difference]: Start difference. First operand 157 states and 211 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:29:26,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:29:26,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:26,301 INFO L93 Difference]: Finished difference Result 270 states and 364 transitions. [2022-11-20 09:29:26,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:29:26,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 189 [2022-11-20 09:29:26,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:26,305 INFO L225 Difference]: With dead ends: 270 [2022-11-20 09:29:26,305 INFO L226 Difference]: Without dead ends: 157 [2022-11-20 09:29:26,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:29:26,307 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 192 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:26,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 559 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 09:29:26,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-20 09:29:26,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-20 09:29:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (55), 51 states have call predecessors, (55), 51 states have call successors, (55) [2022-11-20 09:29:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-11-20 09:29:26,328 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 189 [2022-11-20 09:29:26,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:26,328 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-11-20 09:29:26,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:29:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-11-20 09:29:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-20 09:29:26,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:26,333 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:26,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:29:26,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:29:26,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:26,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:26,544 INFO L85 PathProgramCache]: Analyzing trace with hash 229772645, now seen corresponding path program 2 times [2022-11-20 09:29:26,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:26,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663525409] [2022-11-20 09:29:26,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:26,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:26,633 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:29:26,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931933381] [2022-11-20 09:29:26,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:29:26,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:29:26,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:29:26,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:29:26,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 09:29:28,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:29:28,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:29:28,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 2897 conjuncts, 141 conjunts are in the unsatisfiable core [2022-11-20 09:29:28,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:29,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 28 [2022-11-20 09:29:29,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-20 09:29:29,973 INFO L321 Elim1Store]: treesize reduction 168, result has 50.1 percent of original size [2022-11-20 09:29:29,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 43 select indices, 43 select index equivalence classes, 861 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 42 case distinctions, treesize of input 216 treesize of output 298 [2022-11-20 09:29:37,244 WARN L718 sPolynomialRelations]: Constructing 2147483647(two to the power of 42 dual juncts. [2022-11-20 09:29:37,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:37,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663525409] [2022-11-20 09:29:37,245 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:29:37,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931933381] [2022-11-20 09:29:37,245 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-20 09:29:37,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:29:37,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:29:37,458 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:126) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:627) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:606) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:528) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) [2022-11-20 09:29:37,461 INFO L158 Benchmark]: Toolchain (without parser) took 28625.30ms. Allocated memory was 163.6MB in the beginning and 450.9MB in the end (delta: 287.3MB). Free memory was 114.1MB in the beginning and 218.3MB in the end (delta: -104.2MB). Peak memory consumption was 184.6MB. Max. memory is 16.1GB. [2022-11-20 09:29:37,462 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 163.6MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:29:37,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2845.87ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 114.1MB in the beginning and 171.5MB in the end (delta: -57.4MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-11-20 09:29:37,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.82ms. Allocated memory is still 243.3MB. Free memory was 171.5MB in the beginning and 162.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 09:29:37,463 INFO L158 Benchmark]: Boogie Preprocessor took 68.46ms. Allocated memory is still 243.3MB. Free memory was 162.1MB in the beginning and 155.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 09:29:37,463 INFO L158 Benchmark]: RCFGBuilder took 2344.52ms. Allocated memory is still 243.3MB. Free memory was 155.8MB in the beginning and 97.0MB in the end (delta: 58.8MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2022-11-20 09:29:37,464 INFO L158 Benchmark]: TraceAbstraction took 23214.70ms. Allocated memory was 243.3MB in the beginning and 450.9MB in the end (delta: 207.6MB). Free memory was 97.0MB in the beginning and 218.3MB in the end (delta: -121.3MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2022-11-20 09:29:37,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 163.6MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2845.87ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 114.1MB in the beginning and 171.5MB in the end (delta: -57.4MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.82ms. Allocated memory is still 243.3MB. Free memory was 171.5MB in the beginning and 162.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.46ms. Allocated memory is still 243.3MB. Free memory was 162.1MB in the beginning and 155.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2344.52ms. Allocated memory is still 243.3MB. Free memory was 155.8MB in the beginning and 97.0MB in the end (delta: 58.8MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * TraceAbstraction took 23214.70ms. Allocated memory was 243.3MB in the beginning and 450.9MB in the end (delta: 207.6MB). Free memory was 97.0MB in the beginning and 218.3MB in the end (delta: -121.3MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:720) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 09:29:37,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:29:39,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:29:39,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:29:39,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:29:39,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:29:39,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:29:40,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:29:40,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:29:40,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:29:40,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:29:40,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:29:40,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:29:40,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:29:40,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:29:40,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:29:40,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:29:40,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:29:40,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:29:40,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:29:40,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:29:40,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:29:40,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:29:40,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:29:40,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:29:40,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:29:40,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:29:40,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:29:40,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:29:40,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:29:40,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:29:40,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:29:40,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:29:40,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:29:40,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:29:40,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:29:40,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:29:40,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:29:40,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:29:40,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:29:40,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:29:40,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:29:40,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 09:29:40,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:29:40,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:29:40,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:29:40,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:29:40,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:29:40,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:29:40,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:29:40,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:29:40,135 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:29:40,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:29:40,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:29:40,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:29:40,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:29:40,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:29:40,138 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:29:40,138 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:29:40,139 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:29:40,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:29:40,139 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:29:40,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:29:40,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:29:40,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:29:40,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:29:40,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:40,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:29:40,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:29:40,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:29:40,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:29:40,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:29:40,143 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:29:40,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:29:40,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:29:40,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:29:40,145 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_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 877e83a63a602219ce02028b5212cf6c29aa8f33a031ee39d52c3c671213dc91 [2022-11-20 09:29:40,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:29:40,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:29:40,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:29:40,613 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:29:40,614 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:29:40,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-11-20 09:29:43,783 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:29:44,327 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:29:44,328 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i [2022-11-20 09:29:44,409 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/data/26170f3da/3397842651194d6a9ecc0460ff6f2f47/FLAG351dad252 [2022-11-20 09:29:44,433 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/data/26170f3da/3397842651194d6a9ecc0460ff6f2f47 [2022-11-20 09:29:44,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:29:44,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:29:44,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:44,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:29:44,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:29:44,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:44" (1/1) ... [2022-11-20 09:29:44,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fde920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:44, skipping insertion in model container [2022-11-20 09:29:44,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:44" (1/1) ... [2022-11-20 09:29:44,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:29:44,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:29:44,911 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-20 09:29:44,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-20 09:29:45,762 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:29:45,865 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,865 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,866 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,873 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,875 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,898 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,901 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,903 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,904 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,905 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,906 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,907 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:45,908 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,287 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:29:46,288 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:29:46,289 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:29:46,290 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:29:46,291 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:29:46,292 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:29:46,293 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:29:46,293 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:29:46,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:29:46,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:29:46,433 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,440 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:46,530 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 09:29:46,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:29:46,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-20 09:29:46,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-20 09:29:46,616 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:29:46,633 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,633 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,634 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,640 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,641 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,649 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,654 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,655 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,657 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,659 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,662 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,664 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,666 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,755 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:29:46,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:29:46,758 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:29:46,759 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:29:46,760 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:29:46,761 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:29:46,762 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:29:46,763 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:29:46,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:29:46,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:29:46,825 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,844 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:46,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:46,933 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:29:46,961 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4502,4515] [2022-11-20 09:29:46,962 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/sv-benchmarks/c/aws-c-common/aws_array_list_swap_contents_harness.i[4562,4575] [2022-11-20 09:29:47,014 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:29:47,026 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,026 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,027 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,028 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,028 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,035 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,036 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,037 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,038 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,039 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,039 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,059 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,060 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,088 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:29:47,088 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:29:47,089 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:29:47,090 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:29:47,091 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:29:47,091 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:29:47,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:29:47,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:29:47,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:29:47,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:29:47,115 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,119 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:29:47,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:47,490 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:29:47,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47 WrapperNode [2022-11-20 09:29:47,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:47,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:47,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:29:47,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:29:47,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,746 INFO L138 Inliner]: procedures = 710, calls = 1714, calls flagged for inlining = 51, calls inlined = 7, statements flattened = 679 [2022-11-20 09:29:47,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:47,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:29:47,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:29:47,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:29:47,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,881 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:29:47,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:29:47,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:29:47,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:29:47,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (1/1) ... [2022-11-20 09:29:47,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:47,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:29:47,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:29:47,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:29:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:29:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-20 09:29:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-20 09:29:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-20 09:29:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-20 09:29:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-20 09:29:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-20 09:29:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:29:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 09:29:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 09:29:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 09:29:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 09:29:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 09:29:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 09:29:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:29:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:29:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-20 09:29:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-20 09:29:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:29:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:29:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:29:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 09:29:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 09:29:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 09:29:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-20 09:29:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-20 09:29:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 09:29:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 09:29:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 09:29:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 09:29:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 09:29:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:29:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:29:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 09:29:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 09:29:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:29:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-20 09:29:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-20 09:29:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 09:29:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 09:29:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-11-20 09:29:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-11-20 09:29:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-20 09:29:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-20 09:29:48,447 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:29:48,449 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:29:52,700 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:29:52,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:29:52,711 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:29:52,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:52 BoogieIcfgContainer [2022-11-20 09:29:52,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:29:52,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:29:52,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:29:52,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:29:52,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:29:44" (1/3) ... [2022-11-20 09:29:52,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dec3a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:52, skipping insertion in model container [2022-11-20 09:29:52,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:47" (2/3) ... [2022-11-20 09:29:52,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dec3a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:52, skipping insertion in model container [2022-11-20 09:29:52,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:52" (3/3) ... [2022-11-20 09:29:52,729 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_contents_harness.i [2022-11-20 09:29:52,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:29:52,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:29:52,821 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:29:52,834 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@388d0c2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:29:52,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:29:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-20 09:29:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-20 09:29:52,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:52,873 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:52,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:52,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:52,879 INFO L85 PathProgramCache]: Analyzing trace with hash -853348587, now seen corresponding path program 1 times [2022-11-20 09:29:52,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:52,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369405061] [2022-11-20 09:29:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:52,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:29:52,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:52,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:29:52,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 09:29:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 09:29:54,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:54,369 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-11-20 09:29:54,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:54,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:54,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369405061] [2022-11-20 09:29:54,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369405061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:54,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:54,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:29:54,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719097606] [2022-11-20 09:29:54,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:54,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:29:54,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:54,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:29:54,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:29:54,413 INFO L87 Difference]: Start difference. First operand has 160 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 09:29:54,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:54,461 INFO L93 Difference]: Finished difference Result 316 states and 452 transitions. [2022-11-20 09:29:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:29:54,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2022-11-20 09:29:54,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:54,475 INFO L225 Difference]: With dead ends: 316 [2022-11-20 09:29:54,475 INFO L226 Difference]: Without dead ends: 155 [2022-11-20 09:29:54,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:29:54,484 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:54,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:29:54,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-11-20 09:29:54,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2022-11-20 09:29:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 89 states have internal predecessors, (101), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-20 09:29:54,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2022-11-20 09:29:54,543 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 174 [2022-11-20 09:29:54,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:54,545 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2022-11-20 09:29:54,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 09:29:54,545 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2022-11-20 09:29:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-20 09:29:54,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:54,551 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:54,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:29:54,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:29:54,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:54,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:54,776 INFO L85 PathProgramCache]: Analyzing trace with hash 179931383, now seen corresponding path program 1 times [2022-11-20 09:29:54,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:54,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236079634] [2022-11-20 09:29:54,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:54,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:29:54,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:54,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:29:54,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 09:29:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:56,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:29:56,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-11-20 09:29:56,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:56,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:56,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236079634] [2022-11-20 09:29:56,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236079634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:56,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:56,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:29:56,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899380561] [2022-11-20 09:29:56,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:56,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:29:56,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:56,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:29:56,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:29:56,351 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:29:56,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:56,896 INFO L93 Difference]: Finished difference Result 305 states and 406 transitions. [2022-11-20 09:29:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:29:56,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2022-11-20 09:29:56,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:56,900 INFO L225 Difference]: With dead ends: 305 [2022-11-20 09:29:56,900 INFO L226 Difference]: Without dead ends: 157 [2022-11-20 09:29:56,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:56,905 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 34 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:56,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 656 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 09:29:56,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-20 09:29:56,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-20 09:29:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (57), 51 states have call predecessors, (57), 51 states have call successors, (57) [2022-11-20 09:29:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 211 transitions. [2022-11-20 09:29:56,941 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 211 transitions. Word has length 174 [2022-11-20 09:29:56,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:56,943 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 211 transitions. [2022-11-20 09:29:56,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:29:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2022-11-20 09:29:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-20 09:29:56,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:56,949 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:56,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:29:57,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:29:57,163 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:57,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:57,163 INFO L85 PathProgramCache]: Analyzing trace with hash 432837413, now seen corresponding path program 1 times [2022-11-20 09:29:57,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:57,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501927461] [2022-11-20 09:29:57,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:57,166 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:29:57,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:57,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:29:57,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 09:29:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:58,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:29:58,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-11-20 09:29:58,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:58,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:58,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501927461] [2022-11-20 09:29:58,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501927461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:58,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:58,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:29:58,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445036713] [2022-11-20 09:29:58,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:58,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:29:58,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:58,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:29:58,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:29:58,894 INFO L87 Difference]: Start difference. First operand 157 states and 211 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:29:59,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:59,446 INFO L93 Difference]: Finished difference Result 270 states and 364 transitions. [2022-11-20 09:29:59,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:29:59,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 189 [2022-11-20 09:29:59,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:59,452 INFO L225 Difference]: With dead ends: 270 [2022-11-20 09:29:59,452 INFO L226 Difference]: Without dead ends: 157 [2022-11-20 09:29:59,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:59,454 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 32 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:59,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 656 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 09:29:59,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-20 09:29:59,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-20 09:29:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (55), 51 states have call predecessors, (55), 51 states have call successors, (55) [2022-11-20 09:29:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 209 transitions. [2022-11-20 09:29:59,474 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 209 transitions. Word has length 189 [2022-11-20 09:29:59,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:59,474 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 209 transitions. [2022-11-20 09:29:59,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:29:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 209 transitions. [2022-11-20 09:29:59,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-20 09:29:59,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:59,478 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:29:59,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:29:59,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:29:59,699 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:59,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:59,700 INFO L85 PathProgramCache]: Analyzing trace with hash 229772645, now seen corresponding path program 2 times [2022-11-20 09:29:59,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:59,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173507427] [2022-11-20 09:29:59,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:29:59,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:29:59,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:59,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:29:59,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 09:31:55,355 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:31:55,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:31:59,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:31:59,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2022-11-20 09:31:59,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:59,430 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:59,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173507427] [2022-11-20 09:31:59,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173507427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:59,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:59,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:31:59,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346937800] [2022-11-20 09:31:59,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:59,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:31:59,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:59,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:31:59,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:31:59,432 INFO L87 Difference]: Start difference. First operand 157 states and 209 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:32:02,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:32:02,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:02,203 INFO L93 Difference]: Finished difference Result 239 states and 315 transitions. [2022-11-20 09:32:02,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:32:02,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 204 [2022-11-20 09:32:02,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:02,210 INFO L225 Difference]: With dead ends: 239 [2022-11-20 09:32:02,210 INFO L226 Difference]: Without dead ends: 157 [2022-11-20 09:32:02,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:32:02,213 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 24 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:02,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 811 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 09:32:02,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-20 09:32:02,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-20 09:32:02,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-11-20 09:32:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 207 transitions. [2022-11-20 09:32:02,236 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 207 transitions. Word has length 204 [2022-11-20 09:32:02,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:02,237 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 207 transitions. [2022-11-20 09:32:02,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:32:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 207 transitions. [2022-11-20 09:32:02,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-20 09:32:02,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:02,243 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:02,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-20 09:32:02,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:02,466 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:02,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:02,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1913799685, now seen corresponding path program 3 times [2022-11-20 09:32:02,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:02,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579197389] [2022-11-20 09:32:02,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 09:32:02,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:02,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:02,471 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:02,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 09:32:26,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 09:32:26,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:32:27,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:32:27,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-11-20 09:32:27,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:27,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:32:27,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579197389] [2022-11-20 09:32:27,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579197389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:27,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:27,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:32:27,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303223769] [2022-11-20 09:32:27,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:27,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:32:27,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:32:27,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:32:27,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:32:27,186 INFO L87 Difference]: Start difference. First operand 157 states and 207 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-20 09:32:29,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:32:29,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:29,707 INFO L93 Difference]: Finished difference Result 232 states and 303 transitions. [2022-11-20 09:32:29,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:32:29,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 234 [2022-11-20 09:32:29,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:29,712 INFO L225 Difference]: With dead ends: 232 [2022-11-20 09:32:29,712 INFO L226 Difference]: Without dead ends: 157 [2022-11-20 09:32:29,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:32:29,713 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 2 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:29,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 877 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 09:32:29,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-20 09:32:29,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-11-20 09:32:29,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 89 states have (on average 1.146067415730337) internal successors, (102), 91 states have internal predecessors, (102), 52 states have call successors, (52), 14 states have call predecessors, (52), 15 states have return successors, (52), 51 states have call predecessors, (52), 51 states have call successors, (52) [2022-11-20 09:32:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 206 transitions. [2022-11-20 09:32:29,747 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 206 transitions. Word has length 234 [2022-11-20 09:32:29,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:29,749 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 206 transitions. [2022-11-20 09:32:29,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-20 09:32:29,749 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 206 transitions. [2022-11-20 09:32:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-20 09:32:29,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:29,754 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:29,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:29,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:29,978 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:29,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:29,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1463432363, now seen corresponding path program 1 times [2022-11-20 09:32:29,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:32:29,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [375896930] [2022-11-20 09:32:29,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:29,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:32:29,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:32:29,984 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:32:29,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541cf40-b8d1-4325-b3eb-4f3f04403a75/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 09:41:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:00,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 451 conjunts are in the unsatisfiable core [2022-11-20 09:42:00,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:00,395 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-20 09:42:00,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-20 09:42:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:42:19,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 186 [2022-11-20 09:42:25,735 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1692 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692)) (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1)))) is different from true [2022-11-20 09:42:28,466 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_1700 (_ BitVec 8)) (v_ArrVal_1696 (_ BitVec 8)) (v_ArrVal_1698 (_ BitVec 8)) (v_ArrVal_1694 (_ BitVec 8))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| (let ((.cse0 (bvmul |c_aws_mul_size_checked_#in~b#1| |c_aws_mul_size_checked_#in~a#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| ((_ extract 7 0) .cse0)) (bvadd (_ bv1 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_1694) (bvadd (_ bv2 64) |c_aws_mul_size_checked_#in~r#1.offset|) ((_ extract 23 16) .cse0)) (bvadd (_ bv3 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_1696) (bvadd (_ bv4 64) |c_aws_mul_size_checked_#in~r#1.offset|) ((_ extract 39 32) .cse0)) (bvadd |c_aws_mul_size_checked_#in~r#1.offset| (_ bv5 64)) v_ArrVal_1698) (bvadd (_ bv6 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_1700) (bvadd (_ bv7 64) |c_aws_mul_size_checked_#in~r#1.offset|) ((_ extract 63 56) .cse0)))))) (exists ((v_ArrVal_1692 (_ BitVec 1)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692)) (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1))))) is different from true [2022-11-20 09:43:06,337 WARN L233 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 09:43:43,503 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (let ((.cse17 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse17 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv15 64))) (select .cse17 (bvadd (_ bv14 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse17 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv13 64)))) (select .cse17 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv12 64)))) (select .cse17 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv11 64)))) (select .cse17 (bvadd (_ bv10 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse17 (bvadd (_ bv9 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse17 (bvadd (_ bv8 64) |c_aws_array_list_is_valid_#in~list.offset|)))))) (and (let ((.cse15 (let ((.cse16 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (bvmul (concat (concat (concat (concat (concat (concat (concat (select .cse16 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv23 64))) (select .cse16 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv22 64)))) (select .cse16 (bvadd (_ bv21 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv20 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv19 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv18 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv17 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv16 64)))) (concat (concat (concat (concat (concat (concat (concat (select .cse16 (bvadd (_ bv31 64) |c_aws_array_list_is_valid_#in~list.offset|)) (select .cse16 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv30 64)))) (select .cse16 (bvadd (_ bv29 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv28 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv27 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv26 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv25 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse16 (bvadd (_ bv24 64) |c_aws_array_list_is_valid_#in~list.offset|))))))) (let ((.cse0 ((_ extract 23 16) (_ bv0 64))) (.cse5 ((_ extract 7 0) .cse15)) (.cse6 ((_ extract 23 16) .cse15)) (.cse7 ((_ extract 39 32) .cse15)) (.cse8 ((_ extract 63 56) .cse15)) (.cse9 ((_ extract 7 0) (_ bv0 64))) (.cse10 ((_ extract 39 32) (_ bv0 64))) (.cse11 (= |c_aws_array_list_is_valid_#res| (_ bv0 8)))) (or (and (exists ((v_ArrVal_1700 (_ BitVec 8)) (v_ArrVal_1696 (_ BitVec 8)) (v_ArrVal_1692 (_ BitVec 1)) (v_ArrVal_1698 (_ BitVec 8)) (v_ArrVal_1694 (_ BitVec 8)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64)) (v_ArrVal_1702 (_ BitVec 1)) (|v_aws_array_list_is_valid_~#required_size~0.base_7| (_ BitVec 64))) (let ((.cse2 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7| (_ bv1 1))) (.cse1 (select |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_7|))) (and (= .cse0 (select .cse1 (_ bv2 64))) (= (select .cse2 |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1)) (bvuge .cse3 (let ((.cse4 (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_7|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store (store .cse2 |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692) |v_aws_array_list_is_valid_~#required_size~0.base_7| v_ArrVal_1702) |c_#valid|) (= |c_#memory_int| (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_7| (store (store (store (store (store (store (store (store .cse1 (_ bv0 64) .cse5) (_ bv1 64) v_ArrVal_1694) (_ bv2 64) .cse6) (_ bv3 64) v_ArrVal_1696) (_ bv4 64) .cse7) (_ bv5 64) v_ArrVal_1698) (_ bv6 64) v_ArrVal_1700) (_ bv7 64) .cse8))) (= (select .cse1 (_ bv0 64)) .cse9) (= (_ bv0 1) (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7|)) (= (select .cse1 (_ bv4 64)) .cse10)))) (or (= (_ bv1 8) |c_aws_array_list_is_valid_#res|) .cse11)) (and (exists ((v_ArrVal_1700 (_ BitVec 8)) (v_ArrVal_1696 (_ BitVec 8)) (v_ArrVal_1692 (_ BitVec 1)) (v_ArrVal_1698 (_ BitVec 8)) (v_ArrVal_1694 (_ BitVec 8)) (|v___CPROVER_overflow_mult_~#c~1.base_16| (_ BitVec 64)) (v_ArrVal_1702 (_ BitVec 1)) (|v_aws_array_list_is_valid_~#required_size~0.base_7| (_ BitVec 64))) (let ((.cse14 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7| (_ bv1 1))) (.cse12 (select |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_7|))) (and (= .cse0 (select .cse12 (_ bv2 64))) (not (bvuge .cse3 (let ((.cse13 (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_7|))) (concat (concat (concat (concat (concat (concat (concat (select .cse13 (_ bv7 64)) (select .cse13 (_ bv6 64))) (select .cse13 (_ bv5 64))) (select .cse13 (_ bv4 64))) (select .cse13 (_ bv3 64))) (select .cse13 (_ bv2 64))) (select .cse13 (_ bv1 64))) (select .cse13 (_ bv0 64)))))) (= (select .cse14 |v___CPROVER_overflow_mult_~#c~1.base_16|) (_ bv0 1)) (= (store (store .cse14 |v___CPROVER_overflow_mult_~#c~1.base_16| v_ArrVal_1692) |v_aws_array_list_is_valid_~#required_size~0.base_7| v_ArrVal_1702) |c_#valid|) (= |c_#memory_int| (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_7| (store (store (store (store (store (store (store (store .cse12 (_ bv0 64) .cse5) (_ bv1 64) v_ArrVal_1694) (_ bv2 64) .cse6) (_ bv3 64) v_ArrVal_1696) (_ bv4 64) .cse7) (_ bv5 64) v_ArrVal_1698) (_ bv6 64) v_ArrVal_1700) (_ bv7 64) .cse8))) (= (select .cse12 (_ bv0 64)) .cse9) (= (_ bv0 1) (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7|)) (= (select .cse12 (_ bv4 64)) .cse10)))) .cse11)))) (= (_ bv0 64) .cse3))) is different from false [2022-11-20 09:43:51,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:43:53,017 INFO L321 Elim1Store]: treesize reduction 306, result has 12.3 percent of original size [2022-11-20 09:43:53,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 22 select indices, 22 select index equivalence classes, 276 disjoint index pairs (out of 231 index pairs), introduced 24 new quantified variables, introduced 117 case distinctions, treesize of input 1545 treesize of output 1054 [2022-11-20 09:43:55,153 INFO L321 Elim1Store]: treesize reduction 338, result has 35.6 percent of original size [2022-11-20 09:43:55,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 27 case distinctions, treesize of input 351 treesize of output 554