./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ff439c9da308e48e314eaeb6f620d0560f5430b3c601570b5afd8d635a5b965 --- 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-5e519f3 [2022-11-03 03:27:48,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:27:48,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:27:48,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:27:48,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:27:48,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:27:48,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:27:48,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:27:48,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:27:48,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:27:48,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:27:48,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:27:48,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:27:48,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:27:48,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:27:48,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:27:48,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:27:48,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:27:48,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:27:48,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:27:48,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:27:48,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:27:48,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:27:48,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:27:48,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:27:48,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:27:48,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:27:48,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:27:48,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:27:48,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:27:48,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:27:48,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:27:48,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:27:48,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:27:48,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:27:48,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:27:48,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:27:48,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:27:48,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:27:48,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:27:48,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:27:48,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:27:48,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:27:48,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:27:48,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:27:48,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:27:48,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:27:48,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:27:48,908 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:27:48,908 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:27:48,909 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:27:48,909 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:27:48,909 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:27:48,909 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:27:48,910 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:27:48,910 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:27:48,910 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:27:48,910 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:27:48,911 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:27:48,911 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:27:48,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:27:48,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:27:48,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:27:48,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:27:48,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:27:48,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:27:48,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:27:48,913 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:27:48,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:27:48,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:27:48,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:27:48,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:27:48,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:27:48,915 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:27:48,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:27:48,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:27:48,915 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:27:48,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:27:48,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:27:48,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:27:48,916 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_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ff439c9da308e48e314eaeb6f620d0560f5430b3c601570b5afd8d635a5b965 [2022-11-03 03:27:49,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:27:49,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:27:49,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:27:49,231 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:27:49,231 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:27:49,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness.i [2022-11-03 03:27:49,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/data/c4d9a0d99/3c51f2c229f2433ca0975ddad3bbde37/FLAG6175f7b87 [2022-11-03 03:27:50,087 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:27:50,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness.i [2022-11-03 03:27:50,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/data/c4d9a0d99/3c51f2c229f2433ca0975ddad3bbde37/FLAG6175f7b87 [2022-11-03 03:27:50,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/data/c4d9a0d99/3c51f2c229f2433ca0975ddad3bbde37 [2022-11-03 03:27:50,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:27:50,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:27:50,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:50,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:27:50,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:27:50,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:50" (1/1) ... [2022-11-03 03:27:50,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b5aeaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:50, skipping insertion in model container [2022-11-03 03:27:50,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:50" (1/1) ... [2022-11-03 03:27:50,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:27:50,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:27:50,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness.i[4493,4506] [2022-11-03 03:27:50,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness.i[4553,4566] [2022-11-03 03:27:51,796 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,803 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,804 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,805 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,807 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,826 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,829 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,832 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,836 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,841 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,843 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,844 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:51,845 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,078 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:27:52,080 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:27:52,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:27:52,083 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:27:52,085 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:27:52,087 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:27:52,089 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:27:52,091 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:27:52,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:27:52,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:27:52,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:27:52,201 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:27:52,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness.i[4493,4506] [2022-11-03 03:27:52,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness.i[4553,4566] [2022-11-03 03:27:52,293 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,294 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,295 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,297 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,299 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,306 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,307 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,308 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,308 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,309 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,310 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,310 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,311 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:27:52,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:27:52,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:27:52,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:27:52,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:27:52,340 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:27:52,345 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:27:52,346 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:27:52,346 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:27:52,347 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:27:52,347 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:27:52,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:27:52,558 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:27:52,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52 WrapperNode [2022-11-03 03:27:52,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:52,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:27:52,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:27:52,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:27:52,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,649 INFO L138 Inliner]: procedures = 592, calls = 625, calls flagged for inlining = 38, calls inlined = 6, statements flattened = 123 [2022-11-03 03:27:52,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:27:52,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:27:52,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:27:52,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:27:52,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:27:52,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:27:52,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:27:52,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:27:52,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (1/1) ... [2022-11-03 03:27:52,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:27:52,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:27:52,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:27:52,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:27:52,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:27:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:27:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:27:52,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:27:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:27:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:27:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:27:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:27:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:27:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:27:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2022-11-03 03:27:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2022-11-03 03:27:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 03:27:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 03:27:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:27:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:27:53,112 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:27:53,114 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:27:53,645 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:27:53,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:27:53,914 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:27:53,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:27:53 BoogieIcfgContainer [2022-11-03 03:27:53,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:27:53,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:27:53,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:27:53,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:27:53,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:27:50" (1/3) ... [2022-11-03 03:27:53,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5223da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:27:53, skipping insertion in model container [2022-11-03 03:27:53,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:52" (2/3) ... [2022-11-03 03:27:53,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5223da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:27:53, skipping insertion in model container [2022-11-03 03:27:53,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:27:53" (3/3) ... [2022-11-03 03:27:53,934 INFO L112 eAbstractionObserver]: Analyzing ICFG memset_using_uint64_harness.i [2022-11-03 03:27:53,955 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:27:53,955 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:27:54,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:27:54,029 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d677069, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:27:54,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:27:54,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 03:27:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 03:27:54,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:27:54,044 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:27:54,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:27:54,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:27:54,054 INFO L85 PathProgramCache]: Analyzing trace with hash 727452986, now seen corresponding path program 1 times [2022-11-03 03:27:54,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:27:54,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406944199] [2022-11-03 03:27:54,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:27:54,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:27:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:27:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:27:55,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:27:55,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406944199] [2022-11-03 03:27:55,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406944199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:27:55,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:27:55,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:27:55,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167298788] [2022-11-03 03:27:55,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:27:55,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:27:55,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:27:55,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:27:55,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:27:55,708 INFO L87 Difference]: Start difference. First operand has 42 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:27:57,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:27:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:27:57,927 INFO L93 Difference]: Finished difference Result 77 states and 98 transitions. [2022-11-03 03:27:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:27:57,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2022-11-03 03:27:57,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:27:57,937 INFO L225 Difference]: With dead ends: 77 [2022-11-03 03:27:57,937 INFO L226 Difference]: Without dead ends: 41 [2022-11-03 03:27:57,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:27:57,943 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 22 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:27:57,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 151 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 03:27:57,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-03 03:27:57,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-03 03:27:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 11 states have call successors, (11), 5 states have call predecessors, (11), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-03 03:27:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2022-11-03 03:27:58,018 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 19 [2022-11-03 03:27:58,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:27:58,034 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2022-11-03 03:27:58,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:27:58,035 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-03 03:27:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 03:27:58,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:27:58,037 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-03 03:27:58,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:27:58,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:27:58,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:27:58,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1509833810, now seen corresponding path program 1 times [2022-11-03 03:27:58,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:27:58,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488499711] [2022-11-03 03:27:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:27:58,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:27:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:27:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:27:58,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:27:58,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488499711] [2022-11-03 03:27:58,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488499711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:27:58,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:27:58,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:27:58,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904683265] [2022-11-03 03:27:58,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:27:58,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:27:58,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:27:58,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:27:58,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:27:58,815 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 5 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-03 03:28:00,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:01,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:28:01,021 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2022-11-03 03:28:01,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:28:01,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 5 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 33 [2022-11-03 03:28:01,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:28:01,023 INFO L225 Difference]: With dead ends: 74 [2022-11-03 03:28:01,023 INFO L226 Difference]: Without dead ends: 49 [2022-11-03 03:28:01,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:28:01,025 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 12 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:28:01,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 132 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 03:28:01,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-03 03:28:01,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2022-11-03 03:28:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 03:28:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions. [2022-11-03 03:28:01,040 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 33 [2022-11-03 03:28:01,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:28:01,041 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions. [2022-11-03 03:28:01,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 5 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-03 03:28:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2022-11-03 03:28:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-03 03:28:01,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:28:01,043 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-03 03:28:01,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:28:01,043 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:28:01,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:28:01,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1817674979, now seen corresponding path program 1 times [2022-11-03 03:28:01,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:28:01,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305952087] [2022-11-03 03:28:01,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:01,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:28:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:28:01,332 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:28:01,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:28:01,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305952087] [2022-11-03 03:28:01,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305952087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:28:01,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:28:01,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:28:01,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816800453] [2022-11-03 03:28:01,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:28:01,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:28:01,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:28:01,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:28:01,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:28:01,335 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:28:03,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:28:03,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:28:03,411 INFO L93 Difference]: Finished difference Result 83 states and 101 transitions. [2022-11-03 03:28:03,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:28:03,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 34 [2022-11-03 03:28:03,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:28:03,412 INFO L225 Difference]: With dead ends: 83 [2022-11-03 03:28:03,412 INFO L226 Difference]: Without dead ends: 48 [2022-11-03 03:28:03,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:28:03,414 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:28:03,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 03:28:03,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-03 03:28:03,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-03 03:28:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2) internal successors, (36), 31 states have internal predecessors, (36), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 03:28:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2022-11-03 03:28:03,433 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 34 [2022-11-03 03:28:03,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:28:03,435 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2022-11-03 03:28:03,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 03:28:03,435 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-03 03:28:03,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-03 03:28:03,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:28:03,438 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-03 03:28:03,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:28:03,439 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:28:03,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:28:03,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1891232334, now seen corresponding path program 1 times [2022-11-03 03:28:03,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:28:03,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528172931] [2022-11-03 03:28:03,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:03,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:28:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:28:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:28:09,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:28:09,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528172931] [2022-11-03 03:28:09,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528172931] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:28:09,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773016207] [2022-11-03 03:28:09,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:28:09,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:28:09,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:28:09,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:28:09,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:28:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:28:10,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 122 conjunts are in the unsatisfiable core [2022-11-03 03:28:10,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:28:10,363 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2022-11-03 03:28:11,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 49 [2022-11-03 03:28:11,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 91 [2022-11-03 03:28:14,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 72 [2022-11-03 03:28:14,696 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 03:28:14,697 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 68 [2022-11-03 03:28:14,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-03 03:28:14,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-11-03 03:28:14,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2022-11-03 03:28:14,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-03 03:28:17,595 WARN L855 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_1| Int)) (and (exists ((|v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_1| Int)) (let ((.cse0 (mod (select (select |c_#memory_int| |v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_1|) 0) 256))) (and (not (= |v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_1| |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_1|)) (= .cse0 (select (select |c_#memory_int| |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_1|) 0)) (<= .cse0 127)))) (<= 2 |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_1|))) (exists ((|v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_1| Int)) (and (exists ((|v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_1| Int)) (let ((.cse1 (mod (select (select |c_#memory_int| |v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_1|) 0) 256))) (and (not (<= .cse1 127)) (not (= |v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_1| |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_1|)) (= .cse1 (+ 256 (select (select |c_#memory_int| |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_1|) 0)))))) (<= 2 |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_1|)))) is different from true [2022-11-03 03:28:20,219 WARN L855 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_2| Int)) (and (exists ((|v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_2| Int)) (let ((.cse0 (mod (select (select |c_#memory_int| |v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_2|) 0) 256))) (and (<= .cse0 127) (not (= |v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_2| |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_2|)) (= (select (select |c_#memory_int| |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_2|) 0) .cse0)))) (<= 2 |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_2|))) (exists ((|v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_2| Int)) (and (exists ((|v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_2| Int)) (let ((.cse1 (mod (select (select |c_#memory_int| |v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_2|) 0) 256))) (and (= (+ (select (select |c_#memory_int| |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_2|) 0) 256) .cse1) (not (<= .cse1 127)) (not (= |v_ULTIMATE.start_assert_bytes_match_~b#1.base_BEFORE_CALL_2| |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_2|))))) (<= 2 |v_ULTIMATE.start_assert_bytes_match_~a#1.base_BEFORE_CALL_2|)))) is different from true [2022-11-03 03:28:51,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:28:51,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 67 [2022-11-03 03:28:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2022-11-03 03:28:52,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:28:52,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773016207] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:28:52,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [471139244] [2022-11-03 03:28:52,970 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-03 03:28:52,970 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:28:52,974 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:28:52,980 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:28:52,980 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:28:53,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:28:53,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:28:53,138 INFO L356 Elim1Store]: treesize reduction 83, result has 33.6 percent of original size [2022-11-03 03:28:53,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 64 [2022-11-03 03:28:53,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:28:53,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:28:53,283 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 03:28:53,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 49 treesize of output 85 [2022-11-03 03:28:53,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:28:53,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:28:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:28:53,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2022-11-03 03:28:53,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:28:53,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:28:53,891 INFO L356 Elim1Store]: treesize reduction 210, result has 17.6 percent of original size [2022-11-03 03:28:53,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 511 treesize of output 531 [2022-11-03 03:28:54,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:28:54,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:28:54,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:28:54,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:28:54,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2022-11-03 03:28:54,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:28:54,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:28:54,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:29:07,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:09,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 03:29:09,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:10,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:10,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:11,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:11,844 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:13,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-11-03 03:29:15,944 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:16,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:17,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:17,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:17,258 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:17,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:29:17,523 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-11-03 03:29:17,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-11-03 03:29:17,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-11-03 03:29:18,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:29:18,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:29:18,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:29:18,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-03 03:29:18,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-03 03:29:18,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-03 03:29:18,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,674 INFO L244 Elim1Store]: Index analysis took 197 ms [2022-11-03 03:29:18,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 78 [2022-11-03 03:29:18,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 78 [2022-11-03 03:29:18,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 78 [2022-11-03 03:29:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:18,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 29 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 69 [2022-11-03 03:29:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 29 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 69 [2022-11-03 03:29:19,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 29 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 69 [2022-11-03 03:29:19,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-03 03:29:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-03 03:29:19,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:19,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-03 03:29:19,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:29:20,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:29:20,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:29:20,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 74 [2022-11-03 03:29:20,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,531 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-03 03:29:20,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 94 [2022-11-03 03:29:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,634 INFO L356 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2022-11-03 03:29:20,635 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 32 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 103 [2022-11-03 03:29:20,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-03 03:29:20,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:29:20,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:20,864 INFO L356 Elim1Store]: treesize reduction 70, result has 33.3 percent of original size [2022-11-03 03:29:20,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 39 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 113 treesize of output 121 [2022-11-03 03:29:20,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 35 [2022-11-03 03:29:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 44 [2022-11-03 03:29:20,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:20,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,151 INFO L356 Elim1Store]: treesize reduction 88, result has 33.3 percent of original size [2022-11-03 03:29:21,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 47 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 123 treesize of output 130 [2022-11-03 03:29:21,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2022-11-03 03:29:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,332 INFO L356 Elim1Store]: treesize reduction 52, result has 33.3 percent of original size [2022-11-03 03:29:21,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 112 [2022-11-03 03:29:21,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:29:21,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:29:21,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:21,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:21,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:22,721 INFO L356 Elim1Store]: treesize reduction 3360, result has 3.3 percent of original size [2022-11-03 03:29:22,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 48 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 390 treesize of output 369 [2022-11-03 03:29:23,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:23,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 46 [2022-11-03 03:29:23,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:29:23,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,426 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2022-11-03 03:29:23,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:23,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:24,811 INFO L356 Elim1Store]: treesize reduction 3829, result has 3.1 percent of original size [2022-11-03 03:29:24,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 54 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 399 treesize of output 390 [2022-11-03 03:29:25,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:29:25,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 66 [2022-11-03 03:29:25,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:29:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:25,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:25,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:25,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:25,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:25,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:29:25,491 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 31 [2022-11-03 03:29:25,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 03:29:26,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:29:48,094 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-11-03 03:29:48,100 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 94 for LOIs [2022-11-03 03:29:48,127 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 8 for LOIs [2022-11-03 03:29:48,128 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:30:03,934 WARN L234 SmtUtils]: Spent 12.22s on a formula simplification. DAG size of input: 456 DAG size of output: 353 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:30:32,637 WARN L234 SmtUtils]: Spent 27.61s on a formula simplification. DAG size of input: 501 DAG size of output: 341 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:30:34,886 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '768#(and (= (mod __VERIFIER_assert_~cond 256) 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:30:34,887 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:30:34,887 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-03 03:30:34,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 21] total 34 [2022-11-03 03:30:34,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757951786] [2022-11-03 03:30:34,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-03 03:30:34,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-03 03:30:34,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:34,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-03 03:30:34,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2639, Unknown=7, NotChecked=210, Total=3080 [2022-11-03 03:30:34,890 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand has 34 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 29 states have internal predecessors, (40), 11 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 9 states have call successors, (12) [2022-11-03 03:30:40,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:43,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:43,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:43,879 INFO L93 Difference]: Finished difference Result 90 states and 111 transitions. [2022-11-03 03:30:43,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 03:30:43,880 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 29 states have internal predecessors, (40), 11 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 9 states have call successors, (12) Word has length 35 [2022-11-03 03:30:43,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:43,882 INFO L225 Difference]: With dead ends: 90 [2022-11-03 03:30:43,882 INFO L226 Difference]: Without dead ends: 88 [2022-11-03 03:30:43,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 33 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1226 ImplicationChecksByTransitivity, 89.6s TimeCoverageRelationStatistics Valid=305, Invalid=3477, Unknown=8, NotChecked=242, Total=4032 [2022-11-03 03:30:43,885 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 77 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 250 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:43,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 445 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 459 Invalid, 2 Unknown, 250 Unchecked, 5.0s Time] [2022-11-03 03:30:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-03 03:30:43,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 74. [2022-11-03 03:30:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 48 states have internal predecessors, (55), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-03 03:30:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions. [2022-11-03 03:30:43,908 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 89 transitions. Word has length 35 [2022-11-03 03:30:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:43,909 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 89 transitions. [2022-11-03 03:30:43,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 29 states have internal predecessors, (40), 11 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 9 states have call successors, (12) [2022-11-03 03:30:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2022-11-03 03:30:43,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-03 03:30:43,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:43,911 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-03 03:30:43,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:30:44,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:44,130 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:44,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:44,130 INFO L85 PathProgramCache]: Analyzing trace with hash -907819515, now seen corresponding path program 1 times [2022-11-03 03:30:44,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:44,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415245059] [2022-11-03 03:30:44,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:44,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:30:44,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:44,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415245059] [2022-11-03 03:30:44,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415245059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:44,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:44,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:30:44,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468497760] [2022-11-03 03:30:44,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:44,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:30:44,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:44,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:30:44,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:30:44,640 INFO L87 Difference]: Start difference. First operand 74 states and 89 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-03 03:30:46,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:46,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:46,840 INFO L93 Difference]: Finished difference Result 93 states and 107 transitions. [2022-11-03 03:30:46,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:30:46,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 37 [2022-11-03 03:30:46,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:46,842 INFO L225 Difference]: With dead ends: 93 [2022-11-03 03:30:46,842 INFO L226 Difference]: Without dead ends: 68 [2022-11-03 03:30:46,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:30:46,843 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 8 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:46,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 181 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 03:30:46,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-03 03:30:46,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-03 03:30:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 44 states have internal predecessors, (49), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-03 03:30:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2022-11-03 03:30:46,872 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 37 [2022-11-03 03:30:46,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:46,873 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2022-11-03 03:30:46,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 4 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-03 03:30:46,874 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-11-03 03:30:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-03 03:30:46,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:46,879 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-03 03:30:46,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:30:46,879 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:46,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:46,884 INFO L85 PathProgramCache]: Analyzing trace with hash 422212772, now seen corresponding path program 1 times [2022-11-03 03:30:46,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:46,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633359490] [2022-11-03 03:30:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:46,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:30:47,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:47,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633359490] [2022-11-03 03:30:47,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633359490] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:30:47,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035855089] [2022-11-03 03:30:47,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:47,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:47,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:47,919 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:30:47,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_395886ec-2266-437f-a00e-ef9ba789670b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:30:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:48,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-03 03:30:48,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:30:48,829 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:30:48,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:31:18,362 WARN L855 $PredicateComparison]: unable to prove that (or (not (< 0 (mod (div (mod |c_ULTIMATE.start_memset_using_uint64_harness_~size~0#1| 4294967296) 8) 18446744073709551616))) (< (mod (+ |c_ULTIMATE.start_memset_impl_~i~3#1| 1) 18446744073709551616) (mod |c_ULTIMATE.start_memset_impl_~n#1| 18446744073709551616))) is different from true [2022-11-03 03:31:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 1 not checked. [2022-11-03 03:31:49,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035855089] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:31:49,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1025833550] [2022-11-03 03:31:49,846 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-03 03:31:49,846 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:31:49,846 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:31:49,847 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:31:49,847 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:31:49,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:49,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:49,979 INFO L356 Elim1Store]: treesize reduction 83, result has 33.6 percent of original size [2022-11-03 03:31:49,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 64 [2022-11-03 03:31:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:50,127 INFO L356 Elim1Store]: treesize reduction 136, result has 24.9 percent of original size [2022-11-03 03:31:50,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 49 treesize of output 85 [2022-11-03 03:31:50,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:31:50,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:31:50,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:50,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2022-11-03 03:31:50,433 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:31:50,582 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:31:50,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:31:50,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:31:50,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:31:50,812 INFO L356 Elim1Store]: treesize reduction 210, result has 17.6 percent of original size [2022-11-03 03:31:50,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 511 treesize of output 531 [2022-11-03 03:31:51,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2022-11-03 03:31:51,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:31:51,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:31:51,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-11-03 03:31:51,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 03:32:05,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:06,339 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:07,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:08,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 03:32:08,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:09,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:09,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:11,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-11-03 03:32:14,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:16,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:17,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:17,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:17,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:17,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:32:17,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-11-03 03:32:17,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-11-03 03:32:18,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-11-03 03:32:18,300 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:18,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:18,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:18,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 52 [2022-11-03 03:32:19,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 40 [2022-11-03 03:32:19,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-11-03 03:32:19,874 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-03 03:32:19,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:20,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 03:32:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 29 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 69 [2022-11-03 03:32:20,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 29 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 69 [2022-11-03 03:32:20,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 29 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 69 [2022-11-03 03:32:20,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 78 [2022-11-03 03:32:20,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 78 [2022-11-03 03:32:20,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 78 [2022-11-03 03:32:20,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-03 03:32:20,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-03 03:32:20,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 62 [2022-11-03 03:32:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-03 03:32:20,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:20,957 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-03 03:32:21,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,075 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2022-11-03 03:32:21,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:32:21,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:32:21,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:32:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 65 [2022-11-03 03:32:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-03 03:32:21,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 53 [2022-11-03 03:32:21,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,529 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-03 03:32:21,554 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:32:21,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:21,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:21,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:22,128 INFO L356 Elim1Store]: treesize reduction 218, result has 45.2 percent of original size [2022-11-03 03:32:22,129 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 5 select indices, 5 select index equivalence classes, 40 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 394 treesize of output 594 [2022-11-03 03:32:23,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,326 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 100 [2022-11-03 03:32:23,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,381 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 25 [2022-11-03 03:32:23,454 WARN L220 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:23,524 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:23,585 WARN L220 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:23,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 195 [2022-11-03 03:32:23,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-03 03:32:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 86 [2022-11-03 03:32:23,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:23,855 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-03 03:32:23,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 309 treesize of output 278 [2022-11-03 03:32:23,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:23,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 169 [2022-11-03 03:32:23,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-03 03:32:27,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 163 [2022-11-03 03:32:27,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-03 03:32:27,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 50 [2022-11-03 03:32:48,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:48,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:50,255 INFO L356 Elim1Store]: treesize reduction 3829, result has 3.1 percent of original size [2022-11-03 03:32:50,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 51 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 189 treesize of output 338 [2022-11-03 03:32:50,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:32:50,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 78 [2022-11-03 03:32:50,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:32:50,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:50,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:50,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:50,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:50,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:50,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 43 [2022-11-03 03:32:51,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:33:06,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:33:08,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:08,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:08,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:08,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:33:08,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:33:09,110 INFO L356 Elim1Store]: treesize reduction 116, result has 46.8 percent of original size [2022-11-03 03:33:09,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 239 treesize of output 224 [2022-11-03 03:33:11,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:34:14,903 WARN L234 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 247 DAG size of output: 165 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:34:14,903 INFO L356 Elim1Store]: treesize reduction 432, result has 39.7 percent of original size [2022-11-03 03:34:14,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 37 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 114 case distinctions, treesize of input 2872 treesize of output 28946