./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 19:26:46,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:26:46,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:26:46,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:26:46,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:26:46,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:26:46,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:26:46,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:26:46,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:26:46,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:26:46,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:26:46,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:26:46,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:26:46,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:26:46,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:26:46,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:26:46,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:26:46,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:26:46,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:26:46,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:26:46,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:26:46,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:26:46,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:26:46,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:26:46,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:26:46,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:26:46,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:26:46,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:26:46,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:26:46,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:26:46,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:26:46,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:26:46,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:26:46,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:26:46,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:26:46,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:26:46,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:26:46,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:26:46,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:26:46,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:26:46,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:26:46,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:26:46,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:26:46,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:26:46,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:26:46,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:26:46,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:26:46,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:26:46,245 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:26:46,245 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:26:46,245 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:26:46,246 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:26:46,247 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:26:46,247 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:26:46,247 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:26:46,247 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:26:46,248 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:26:46,248 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:26:46,248 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:26:46,248 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:26:46,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:26:46,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:26:46,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:26:46,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:26:46,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:26:46,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:26:46,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:26:46,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:26:46,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:26:46,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:26:46,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:26:46,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:26:46,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:26:46,253 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:26:46,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:26:46,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:26:46,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:26:46,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:26:46,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:26:46,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:26:46,255 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_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2022-11-16 19:26:46,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:26:46,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:26:46,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:26:46,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:26:46,554 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:26:46,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2022-11-16 19:26:46,629 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/data/e1cf7b525/979f3261d15547b2ba77a80fb95d0c99/FLAGff902cf9b [2022-11-16 19:26:47,571 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:26:47,571 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2022-11-16 19:26:47,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/data/e1cf7b525/979f3261d15547b2ba77a80fb95d0c99/FLAGff902cf9b [2022-11-16 19:26:48,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/data/e1cf7b525/979f3261d15547b2ba77a80fb95d0c99 [2022-11-16 19:26:48,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:26:48,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:26:48,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:26:48,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:26:48,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:26:48,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:26:48" (1/1) ... [2022-11-16 19:26:48,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b11bbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:48, skipping insertion in model container [2022-11-16 19:26:48,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:26:48" (1/1) ... [2022-11-16 19:26:48,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:26:48,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:26:48,457 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2022-11-16 19:26:48,464 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2022-11-16 19:26:49,815 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,816 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,816 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,817 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,818 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,832 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,832 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,833 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,834 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,836 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,837 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,841 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:49,843 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,331 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 19:26:50,332 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 19:26:50,333 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 19:26:50,334 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 19:26:50,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 19:26:50,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 19:26:50,337 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 19:26:50,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 19:26:50,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 19:26:50,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 19:26:50,538 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 19:26:50,925 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,927 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,951 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,961 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,967 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,969 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,990 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,991 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,991 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,992 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,992 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,993 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:50,993 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:26:51,085 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:26:51,113 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2022-11-16 19:26:51,113 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2022-11-16 19:26:51,148 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,148 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,148 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,149 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,149 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,155 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,155 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,156 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,156 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,157 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,158 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,158 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,159 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,186 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 19:26:51,186 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 19:26:51,187 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 19:26:51,188 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 19:26:51,189 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 19:26:51,189 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 19:26:51,189 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 19:26:51,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 19:26:51,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 19:26:51,191 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 19:26:51,276 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 19:26:51,408 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,408 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,420 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,421 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,424 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,425 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,444 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,445 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,445 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,446 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,446 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,447 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,447 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 19:26:51,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:26:51,715 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:26:51,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51 WrapperNode [2022-11-16 19:26:51,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:26:51,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:26:51,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:26:51,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:26:51,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:51,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:51,928 INFO L138 Inliner]: procedures = 774, calls = 2433, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 608 [2022-11-16 19:26:51,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:26:51,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:26:51,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:26:51,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:26:51,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:51,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:51,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:51,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:52,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:52,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:52,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:52,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:52,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:26:52,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:26:52,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:26:52,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:26:52,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (1/1) ... [2022-11-16 19:26:52,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:26:52,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:26:52,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:26:52,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:26:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-16 19:26:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:26:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-16 19:26:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-16 19:26:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 19:26:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 19:26:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-16 19:26:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-16 19:26:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:26:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:26:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:26:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:26:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:26:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-16 19:26:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-16 19:26:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-16 19:26:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-16 19:26:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:26:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-16 19:26:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-16 19:26:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:26:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-16 19:26:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-16 19:26:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:26:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-16 19:26:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-16 19:26:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:26:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2022-11-16 19:26:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2022-11-16 19:26:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-16 19:26:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-16 19:26:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 19:26:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 19:26:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-16 19:26:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-16 19:26:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 19:26:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-16 19:26:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-16 19:26:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-16 19:26:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-16 19:26:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:26:52,563 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:26:52,565 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:26:53,550 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:26:53,665 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:26:53,665 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 19:26:53,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:26:53 BoogieIcfgContainer [2022-11-16 19:26:53,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:26:53,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:26:53,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:26:53,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:26:53,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:26:48" (1/3) ... [2022-11-16 19:26:53,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6ef805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:26:53, skipping insertion in model container [2022-11-16 19:26:53,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:26:51" (2/3) ... [2022-11-16 19:26:53,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6ef805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:26:53, skipping insertion in model container [2022-11-16 19:26:53,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:26:53" (3/3) ... [2022-11-16 19:26:53,677 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness.i [2022-11-16 19:26:53,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:26:53,696 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:26:53,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:26:53,752 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;@1460f4ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:26:53,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:26:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 49 states have (on average 1.163265306122449) internal successors, (57), 50 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-16 19:26:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-16 19:26:53,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:53,767 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:26:53,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:26:53,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:53,773 INFO L85 PathProgramCache]: Analyzing trace with hash 94696135, now seen corresponding path program 1 times [2022-11-16 19:26:53,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:53,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910514320] [2022-11-16 19:26:53,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:53,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:54,176 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:26:54,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037263077] [2022-11-16 19:26:54,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:54,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:26:54,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:26:54,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:26:54,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:26:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:54,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 2304 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 19:26:54,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:26:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-16 19:26:54,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:26:54,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:26:54,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910514320] [2022-11-16 19:26:54,986 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:26:54,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037263077] [2022-11-16 19:26:54,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037263077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:26:54,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:26:54,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:26:54,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447269316] [2022-11-16 19:26:54,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:26:54,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:26:54,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:26:55,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:26:55,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:26:55,035 INFO L87 Difference]: Start difference. First operand has 91 states, 49 states have (on average 1.163265306122449) internal successors, (57), 50 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 19:26:55,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:26:55,342 INFO L93 Difference]: Finished difference Result 176 states and 214 transitions. [2022-11-16 19:26:55,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:26:55,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 80 [2022-11-16 19:26:55,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:26:55,353 INFO L225 Difference]: With dead ends: 176 [2022-11-16 19:26:55,353 INFO L226 Difference]: Without dead ends: 93 [2022-11-16 19:26:55,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 19:26:55,359 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 19:26:55,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 19:26:55,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-16 19:26:55,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-16 19:26:55,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 52 states have internal predecessors, (58), 26 states have call successors, (26), 14 states have call predecessors, (26), 15 states have return successors, (26), 26 states have call predecessors, (26), 25 states have call successors, (26) [2022-11-16 19:26:55,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2022-11-16 19:26:55,404 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 80 [2022-11-16 19:26:55,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:26:55,405 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2022-11-16 19:26:55,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 19:26:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2022-11-16 19:26:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-16 19:26:55,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:55,409 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:26:55,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:26:55,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-16 19:26:55,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:26:55,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:55,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1567370857, now seen corresponding path program 1 times [2022-11-16 19:26:55,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:55,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177914741] [2022-11-16 19:26:55,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:55,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:26:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-16 19:26:58,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:26:58,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177914741] [2022-11-16 19:26:58,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177914741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:26:58,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:26:58,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 19:26:58,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368204964] [2022-11-16 19:26:58,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:26:58,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 19:26:58,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:26:58,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 19:26:58,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:26:58,155 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-16 19:26:58,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:26:58,744 INFO L93 Difference]: Finished difference Result 168 states and 196 transitions. [2022-11-16 19:26:58,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 19:26:58,745 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 88 [2022-11-16 19:26:58,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:26:58,752 INFO L225 Difference]: With dead ends: 168 [2022-11-16 19:26:58,752 INFO L226 Difference]: Without dead ends: 95 [2022-11-16 19:26:58,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 19:26:58,758 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 14 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:26:58,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 429 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 19:26:58,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-16 19:26:58,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-16 19:26:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 54 states have internal predecessors, (59), 26 states have call successors, (26), 14 states have call predecessors, (26), 16 states have return successors, (27), 26 states have call predecessors, (27), 25 states have call successors, (27) [2022-11-16 19:26:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2022-11-16 19:26:58,780 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 88 [2022-11-16 19:26:58,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:26:58,780 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2022-11-16 19:26:58,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-16 19:26:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2022-11-16 19:26:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-16 19:26:58,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:26:58,792 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:26:58,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:26:58,792 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:26:58,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:26:58,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1983458522, now seen corresponding path program 1 times [2022-11-16 19:26:58,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:26:58,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713433923] [2022-11-16 19:26:58,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:26:58,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:26:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:00,172 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-16 19:27:00,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:00,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713433923] [2022-11-16 19:27:00,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713433923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:00,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:27:00,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 19:27:00,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888635723] [2022-11-16 19:27:00,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:00,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 19:27:00,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:00,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 19:27:00,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-16 19:27:00,174 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-16 19:27:01,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:01,300 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2022-11-16 19:27:01,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 19:27:01,301 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 94 [2022-11-16 19:27:01,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:01,303 INFO L225 Difference]: With dead ends: 175 [2022-11-16 19:27:01,303 INFO L226 Difference]: Without dead ends: 100 [2022-11-16 19:27:01,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-11-16 19:27:01,305 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 23 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:01,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 634 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 19:27:01,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-16 19:27:01,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 98. [2022-11-16 19:27:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 56 states have internal predecessors, (61), 26 states have call successors, (26), 14 states have call predecessors, (26), 17 states have return successors, (28), 27 states have call predecessors, (28), 25 states have call successors, (28) [2022-11-16 19:27:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 115 transitions. [2022-11-16 19:27:01,354 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 115 transitions. Word has length 94 [2022-11-16 19:27:01,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:01,355 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 115 transitions. [2022-11-16 19:27:01,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-16 19:27:01,356 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2022-11-16 19:27:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-16 19:27:01,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:01,358 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:01,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 19:27:01,359 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:27:01,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:01,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1798769416, now seen corresponding path program 1 times [2022-11-16 19:27:01,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:01,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097585424] [2022-11-16 19:27:01,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:01,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-16 19:27:02,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:02,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097585424] [2022-11-16 19:27:02,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097585424] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:02,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980846380] [2022-11-16 19:27:02,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:02,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:02,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:02,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:02,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:27:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:03,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 105 conjunts are in the unsatisfiable core [2022-11-16 19:27:03,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 19:27:03,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:27:03,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980846380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:27:03,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:27:03,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2022-11-16 19:27:03,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309382484] [2022-11-16 19:27:03,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:03,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 19:27:03,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:03,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 19:27:03,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:27:03,341 INFO L87 Difference]: Start difference. First operand 98 states and 115 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-16 19:27:03,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:03,897 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2022-11-16 19:27:03,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 19:27:03,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 98 [2022-11-16 19:27:03,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:03,900 INFO L225 Difference]: With dead ends: 188 [2022-11-16 19:27:03,900 INFO L226 Difference]: Without dead ends: 100 [2022-11-16 19:27:03,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:27:03,902 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 13 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:03,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 341 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 19:27:03,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-16 19:27:03,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-11-16 19:27:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 58 states have internal predecessors, (62), 26 states have call successors, (26), 14 states have call predecessors, (26), 18 states have return successors, (29), 27 states have call predecessors, (29), 25 states have call successors, (29) [2022-11-16 19:27:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 117 transitions. [2022-11-16 19:27:03,917 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 117 transitions. Word has length 98 [2022-11-16 19:27:03,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:03,918 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 117 transitions. [2022-11-16 19:27:03,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-16 19:27:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2022-11-16 19:27:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 19:27:03,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:03,920 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:03,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:27:04,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:04,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:27:04,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:04,129 INFO L85 PathProgramCache]: Analyzing trace with hash 148500382, now seen corresponding path program 1 times [2022-11-16 19:27:04,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:04,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777179443] [2022-11-16 19:27:04,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:04,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:04,224 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:27:04,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [908298988] [2022-11-16 19:27:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:04,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:04,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:04,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:04,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 19:27:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:04,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 2463 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 19:27:04,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-16 19:27:04,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:27:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-16 19:27:05,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:05,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777179443] [2022-11-16 19:27:05,377 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:27:05,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908298988] [2022-11-16 19:27:05,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908298988] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:05,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 19:27:05,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2022-11-16 19:27:05,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153885873] [2022-11-16 19:27:05,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:27:05,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 19:27:05,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:27:05,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 19:27:05,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-11-16 19:27:05,379 INFO L87 Difference]: Start difference. First operand 100 states and 117 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 19:27:05,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:27:05,863 INFO L93 Difference]: Finished difference Result 143 states and 165 transitions. [2022-11-16 19:27:05,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 19:27:05,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 103 [2022-11-16 19:27:05,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:27:05,865 INFO L225 Difference]: With dead ends: 143 [2022-11-16 19:27:05,865 INFO L226 Difference]: Without dead ends: 98 [2022-11-16 19:27:05,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-11-16 19:27:05,866 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 1 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:27:05,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 463 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 19:27:05,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-16 19:27:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2022-11-16 19:27:05,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 53 states have internal predecessors, (57), 26 states have call successors, (26), 14 states have call predecessors, (26), 16 states have return successors, (27), 26 states have call predecessors, (27), 25 states have call successors, (27) [2022-11-16 19:27:05,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 110 transitions. [2022-11-16 19:27:05,878 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 110 transitions. Word has length 103 [2022-11-16 19:27:05,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:27:05,879 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 110 transitions. [2022-11-16 19:27:05,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-16 19:27:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2022-11-16 19:27:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-16 19:27:05,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:27:05,881 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:27:05,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 19:27:06,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:06,090 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:27:06,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:27:06,091 INFO L85 PathProgramCache]: Analyzing trace with hash -103095598, now seen corresponding path program 1 times [2022-11-16 19:27:06,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:27:06,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7804153] [2022-11-16 19:27:06,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:06,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:27:06,182 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 19:27:06,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1664017104] [2022-11-16 19:27:06,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:27:06,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:27:06,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:27:06,184 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:27:06,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6f7fdc9-e703-4638-a357-b4724c18d2e9/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 19:27:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:27:06,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 202 conjunts are in the unsatisfiable core [2022-11-16 19:27:06,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:27:06,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 19:27:07,224 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 19:27:07,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 19:27:07,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 19:27:07,884 INFO L321 Elim1Store]: treesize reduction 173, result has 26.4 percent of original size [2022-11-16 19:27:07,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 93 treesize of output 134 [2022-11-16 19:27:08,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 19:27:08,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:08,335 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 19:27:08,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-16 19:27:08,434 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-11-16 19:27:08,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2022-11-16 19:27:08,458 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:27:09,352 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-16 19:27:09,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-11-16 19:27:09,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-11-16 19:27:09,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 19:27:09,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 19:27:09,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:27:09,793 WARN L855 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_575 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_575) |c_#memory_int|)) (exists ((v_ArrVal_574 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_574))) (exists ((v_ArrVal_576 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_576) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-16 19:27:09,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:27:10,050 WARN L855 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_577 (Array Int Int))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_577))) (exists ((v_ArrVal_578 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_578))) (exists ((v_ArrVal_579 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_add_size_checked_#in~r#1.base| v_ArrVal_579) |c_#memory_int|))) is different from true [2022-11-16 19:27:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:10,308 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 19:27:10,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2022-11-16 19:27:10,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:10,346 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 19:27:10,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 30 [2022-11-16 19:27:10,383 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-16 19:27:10,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-16 19:27:10,417 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-16 19:27:10,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-16 19:27:11,062 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:27:11,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 45 [2022-11-16 19:27:11,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 7 [2022-11-16 19:27:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 32 refuted. 1 times theorem prover too weak. 2 trivial. 4 not checked. [2022-11-16 19:27:11,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:27:12,350 INFO L321 Elim1Store]: treesize reduction 4, result has 87.1 percent of original size [2022-11-16 19:27:12,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 846 treesize of output 745 [2022-11-16 19:27:12,382 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:27:12,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 718 treesize of output 664 [2022-11-16 19:27:12,412 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:27:12,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 646 treesize of output 520 [2022-11-16 19:27:15,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:27:15,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7804153] [2022-11-16 19:27:15,098 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 19:27:15,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664017104] [2022-11-16 19:27:15,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664017104] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:27:15,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1761726979] [2022-11-16 19:27:15,124 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-16 19:27:15,124 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:27:15,128 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:27:15,133 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:27:15,133 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:27:18,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:18,775 INFO L217 Elim1Store]: Index analysis took 401 ms [2022-11-16 19:27:35,989 WARN L233 SmtUtils]: Spent 17.15s on a formula simplification. DAG size of input: 1767 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:27:35,994 INFO L321 Elim1Store]: treesize reduction 1960, result has 47.4 percent of original size [2022-11-16 19:27:35,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2366 [2022-11-16 19:27:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:27:39,531 INFO L217 Elim1Store]: Index analysis took 678 ms [2022-11-16 19:28:07,345 WARN L233 SmtUtils]: Spent 27.76s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:28:07,351 INFO L321 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-11-16 19:28:07,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2022-11-16 19:30:20,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:20,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:20,631 INFO L217 Elim1Store]: Index analysis took 301 ms [2022-11-16 19:30:37,681 WARN L233 SmtUtils]: Spent 17.00s on a formula simplification. DAG size of input: 1776 DAG size of output: 1183 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:30:37,684 INFO L321 Elim1Store]: treesize reduction 1974, result has 47.3 percent of original size [2022-11-16 19:30:37,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19506 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 197 case distinctions, treesize of input 997 treesize of output 2374 [2022-11-16 19:30:43,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:30:43,898 INFO L217 Elim1Store]: Index analysis took 744 ms [2022-11-16 19:31:11,893 WARN L233 SmtUtils]: Spent 27.95s on a formula simplification. DAG size of input: 2172 DAG size of output: 1185 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 19:31:11,896 INFO L321 Elim1Store]: treesize reduction 3546, result has 33.3 percent of original size [2022-11-16 19:31:11,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 200 select indices, 200 select index equivalence classes, 19703 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 394 case distinctions, treesize of input 1007 treesize of output 2389 [2022-11-16 19:31:34,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 19:31:34,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 19:31:34,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 19:31:34,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 19:31:34,326 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:31:34,333 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:31:34,341 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:31:34,353 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:31:34,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:31:34,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:31:34,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:31:34,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:31:34,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 19:31:34,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 19:31:34,545 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:31:34,552 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:31:34,559 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:31:34,565 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 19:31:34,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:31:34,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:31:34,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-16 19:31:34,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:31:34,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:31:34,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-16 19:31:34,684 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-16 19:31:34,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-16 19:31:40,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:40,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:40,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:40,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:40,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:40,748 INFO L217 Elim1Store]: Index analysis took 124 ms [2022-11-16 19:31:40,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-16 19:31:41,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:41,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:41,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19703 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-16 19:31:42,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:42,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:42,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:42,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:42,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:42,980 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-11-16 19:31:43,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-16 19:31:44,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-16 19:31:44,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:31:44,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-16 19:32:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-16 19:32:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:01,909 INFO L217 Elim1Store]: Index analysis took 124 ms [2022-11-16 19:32:01,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-16 19:32:02,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:02,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:02,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-16 19:32:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19703 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-16 19:32:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:03,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-16 19:32:16,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 19:32:16,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 19:32:17,257 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 19:32:17,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 19:32:17,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:32:20,482 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 19:32:20,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 19:32:20,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:32:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:23,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 202 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 49 [2022-11-16 19:32:23,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:23,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 200 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-16 19:32:24,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:24,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-16 19:32:24,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:24,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-16 19:32:24,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:24,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-16 19:32:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:41,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:41,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:41,073 INFO L321 Elim1Store]: treesize reduction 61, result has 22.8 percent of original size [2022-11-16 19:32:41,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 204 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 34 treesize of output 44 [2022-11-16 19:32:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:42,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:42,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27 [2022-11-16 19:32:53,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 197 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 19:32:53,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 197 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 19:32:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:54,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 19:32:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:54,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:54,251 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:32:54,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2441 treesize of output 2433 [2022-11-16 19:32:54,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:54,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:32:54,819 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:32:54,823 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 2426 treesize of output 2442 [2022-11-16 19:33:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:04,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2022-11-16 19:33:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:14,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:14,326 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:33:14,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 2441 treesize of output 2487 [2022-11-16 19:33:14,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:14,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:33:14,978 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 19:33:14,979 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 2426 treesize of output 2442 [2022-11-16 19:34:55,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 197 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 19:34:55,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 197 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 19:34:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:34:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 19:34:55,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2022-11-16 19:35:17,110 INFO L321 Elim1Store]: treesize reduction 56, result has 55.2 percent of original size [2022-11-16 19:35:17,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 2100 treesize of output 2159 [2022-11-16 19:36:19,907 WARN L233 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 1026 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 19:37:16,749 WARN L233 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 1324 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 19:38:52,971 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 77 for LOIs [2022-11-16 19:38:53,017 INFO L197 IcfgInterpreter]: Interpreting procedure aws_hash_table_get_entry_count with input of size 53 for LOIs [2022-11-16 19:38:53,030 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 2811 for LOIs [2022-11-16 19:38:58,745 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_required_bytes with input of size 41 for LOIs [2022-11-16 19:38:58,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 19:38:58,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 19:38:58,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:38:58,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:38:58,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:38:58,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:38:58,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-16 19:38:58,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:38:58,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:38:59,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:38:59,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 19:38:59,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-16 19:38:59,113 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-16 19:38:59,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-16 19:38:59,175 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 73 for LOIs [2022-11-16 19:38:59,359 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 58 for LOIs [2022-11-16 19:38:59,373 INFO L197 IcfgInterpreter]: Interpreting procedure aws_add_size_checked with input of size 92 for LOIs [2022-11-16 19:38:59,635 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_plus with input of size 74 for LOIs [2022-11-16 19:38:59,663 INFO L197 IcfgInterpreter]: Interpreting procedure aws_hash_table_is_valid with input of size 1092 for LOIs [2022-11-16 19:39:12,609 INFO L197 IcfgInterpreter]: Interpreting procedure hash_table_state_is_valid with input of size 1093 for LOIs [2022-11-16 19:39:18,235 INFO L197 IcfgInterpreter]: Interpreting procedure aws_is_power_of_two with input of size 2846 for LOIs [2022-11-16 19:39:28,556 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 683 for LOIs [2022-11-16 19:39:32,338 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 711 for LOIs [2022-11-16 19:39:33,104 INFO L180 IcfgInterpreter]: Interpretation finished