./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9 --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 723ac1839b12f7ec2d51e01d6b07ab9cd6a1336eb9a801e97d56c2782f32ef5c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:56:56,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:56:56,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:56:56,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:56:56,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:56:56,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:56:56,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:56:56,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:56:56,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:56:56,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:56:56,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:56:56,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:56:56,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:56:56,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:56:56,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:56:56,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:56:56,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:56:56,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:56:56,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:56:56,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:56:56,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:56:56,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:56:56,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:56:56,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:56:56,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:56:56,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:56:56,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:56:56,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:56:56,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:56:56,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:56:56,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:56:56,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:56:56,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:56:56,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:56:56,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:56:56,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:56:56,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:56:56,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:56:56,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:56:56,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:56:56,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:56:56,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 20:56:56,155 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:56:56,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:56:56,156 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:56:56,156 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:56:56,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:56:56,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:56:56,158 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:56:56,158 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:56:56,159 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:56:56,159 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:56:56,159 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:56:56,160 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:56:56,160 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:56:56,160 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:56:56,161 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:56:56,161 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:56:56,161 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:56:56,161 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:56:56,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:56:56,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:56:56,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:56:56,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:56:56,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:56:56,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:56:56,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:56:56,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:56:56,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:56:56,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:56:56,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:56:56,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:56:56,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:56:56,166 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:56:56,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:56:56,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:56:56,167 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:56:56,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:56:56,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:56:56,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:56:56,168 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_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 723ac1839b12f7ec2d51e01d6b07ab9cd6a1336eb9a801e97d56c2782f32ef5c [2022-11-20 20:56:56,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:56:56,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:56:56,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:56:56,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:56:56,485 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:56:56,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2022-11-20 20:56:59,616 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:57:00,313 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:57:00,313 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2022-11-20 20:57:00,357 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/data/230f4bbb0/243332a2b6bb40a9bc8e962b781e02d7/FLAG245b47fd0 [2022-11-20 20:57:00,378 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/data/230f4bbb0/243332a2b6bb40a9bc8e962b781e02d7 [2022-11-20 20:57:00,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:57:00,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:57:00,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:57:00,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:57:00,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:57:00,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97bd3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:00, skipping insertion in model container [2022-11-20 20:57:00,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:57:00" (1/1) ... [2022-11-20 20:57:00,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:57:00,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:57:00,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4502,4515] [2022-11-20 20:57:00,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4562,4575] [2022-11-20 20:57:01,777 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,785 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,786 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,788 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,789 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,801 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,805 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,810 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,813 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,817 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,819 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,820 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:01,821 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 20:57:02,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 20:57:02,275 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 20:57:02,276 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 20:57:02,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 20:57:02,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 20:57:02,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 20:57:02,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 20:57:02,281 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 20:57:02,290 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 20:57:02,471 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 20:57:02,493 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,493 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,499 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,511 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,638 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,639 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,639 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,639 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,640 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,640 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,641 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,642 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,642 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,643 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,643 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,643 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,644 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,647 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,648 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,648 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,649 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,655 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,655 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,665 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,666 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,666 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:57:02,732 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:57:02,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4502,4515] [2022-11-20 20:57:02,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4562,4575] [2022-11-20 20:57:02,785 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,785 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,786 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,786 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,787 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,793 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,794 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,795 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,795 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,796 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,797 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,797 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,797 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,845 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 20:57:02,846 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 20:57:02,847 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 20:57:02,848 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 20:57:02,853 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 20:57:02,853 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 20:57:02,854 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 20:57:02,854 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 20:57:02,855 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 20:57:02,855 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 20:57:02,893 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 20:57:02,921 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,922 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,923 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,929 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,957 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,958 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,958 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,959 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,959 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,959 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,960 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,961 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,961 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,961 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,962 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,962 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,962 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,963 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,964 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,964 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,964 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,967 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:02,967 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:03,012 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:03,015 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:03,016 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:57:03,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:57:03,304 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:57:03,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03 WrapperNode [2022-11-20 20:57:03,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:57:03,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:57:03,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:57:03,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:57:03,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,542 INFO L138 Inliner]: procedures = 697, calls = 1886, calls flagged for inlining = 61, calls inlined = 14, statements flattened = 814 [2022-11-20 20:57:03,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:57:03,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:57:03,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:57:03,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:57:03,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:57:03,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:57:03,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:57:03,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:57:03,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (1/1) ... [2022-11-20 20:57:03,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:57:03,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:03,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:57:03,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:57:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-20 20:57:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-20 20:57:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-20 20:57:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-20 20:57:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:57:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-20 20:57:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-20 20:57:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-20 20:57:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-20 20:57:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-20 20:57:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-20 20:57:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-20 20:57:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-20 20:57:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:57:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 20:57:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 20:57:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 20:57:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 20:57:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:57:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:57:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:57:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-20 20:57:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-20 20:57:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-20 20:57:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-20 20:57:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:57:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:57:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 20:57:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 20:57:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 20:57:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 20:57:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-20 20:57:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-20 20:57:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-20 20:57:03,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-20 20:57:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-20 20:57:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-20 20:57:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 20:57:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 20:57:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-20 20:57:03,804 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-20 20:57:03,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:57:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:57:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 20:57:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-20 20:57:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-20 20:57:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-20 20:57:03,805 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-20 20:57:03,805 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 20:57:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 20:57:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:57:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-20 20:57:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-20 20:57:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-20 20:57:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-20 20:57:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 20:57:03,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 20:57:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:57:04,293 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:57:04,295 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:57:05,650 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:57:05,960 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:57:05,960 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 20:57:05,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:57:05 BoogieIcfgContainer [2022-11-20 20:57:05,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:57:05,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:57:05,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:57:05,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:57:05,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:57:00" (1/3) ... [2022-11-20 20:57:05,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce6b89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:57:05, skipping insertion in model container [2022-11-20 20:57:05,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:03" (2/3) ... [2022-11-20 20:57:05,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce6b89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:57:05, skipping insertion in model container [2022-11-20 20:57:05,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:57:05" (3/3) ... [2022-11-20 20:57:05,976 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2022-11-20 20:57:06,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:57:06,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 20:57:06,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:57:06,094 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;@a16b043, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:57:06,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 20:57:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 134 states have internal predecessors, (160), 95 states have call successors, (95), 23 states have call predecessors, (95), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-11-20 20:57:06,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 20:57:06,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:06,122 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 3, 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] [2022-11-20 20:57:06,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:06,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:06,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1656000423, now seen corresponding path program 1 times [2022-11-20 20:57:06,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:06,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766468264] [2022-11-20 20:57:06,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:06,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 20:57:07,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:07,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766468264] [2022-11-20 20:57:07,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766468264] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:07,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121654816] [2022-11-20 20:57:07,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:07,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:07,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:07,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:07,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:57:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:08,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 2163 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:57:08,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 20:57:08,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:08,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121654816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:08,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:57:08,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-20 20:57:08,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109580860] [2022-11-20 20:57:08,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:08,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:57:08,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:08,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:57:08,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 20:57:08,386 INFO L87 Difference]: Start difference. First operand has 252 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 134 states have internal predecessors, (160), 95 states have call successors, (95), 23 states have call predecessors, (95), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-20 20:57:09,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:09,113 INFO L93 Difference]: Finished difference Result 475 states and 690 transitions. [2022-11-20 20:57:09,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:57:09,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 79 [2022-11-20 20:57:09,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:09,135 INFO L225 Difference]: With dead ends: 475 [2022-11-20 20:57:09,135 INFO L226 Difference]: Without dead ends: 251 [2022-11-20 20:57:09,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:57:09,151 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 32 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:09,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 1123 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 20:57:09,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-11-20 20:57:09,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-11-20 20:57:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 131 states have (on average 1.1908396946564885) internal successors, (156), 134 states have internal predecessors, (156), 95 states have call successors, (95), 23 states have call predecessors, (95), 23 states have return successors, (97), 93 states have call predecessors, (97), 93 states have call successors, (97) [2022-11-20 20:57:09,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 348 transitions. [2022-11-20 20:57:09,238 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 348 transitions. Word has length 79 [2022-11-20 20:57:09,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:09,239 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 348 transitions. [2022-11-20 20:57:09,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-20 20:57:09,240 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 348 transitions. [2022-11-20 20:57:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 20:57:09,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:09,258 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 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] [2022-11-20 20:57:09,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 20:57:09,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-20 20:57:09,468 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:09,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1931480043, now seen corresponding path program 1 times [2022-11-20 20:57:09,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:09,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543844925] [2022-11-20 20:57:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:09,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 20:57:10,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:10,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543844925] [2022-11-20 20:57:10,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543844925] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:10,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963717412] [2022-11-20 20:57:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:10,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:10,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:10,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:10,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:57:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:10,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 20:57:10,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 20:57:11,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:11,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963717412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:11,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:57:11,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-20 20:57:11,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306675275] [2022-11-20 20:57:11,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:11,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 20:57:11,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:11,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 20:57:11,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-20 20:57:11,051 INFO L87 Difference]: Start difference. First operand 251 states and 348 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-20 20:57:11,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:11,935 INFO L93 Difference]: Finished difference Result 485 states and 688 transitions. [2022-11-20 20:57:11,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:57:11,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 87 [2022-11-20 20:57:11,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:11,939 INFO L225 Difference]: With dead ends: 485 [2022-11-20 20:57:11,939 INFO L226 Difference]: Without dead ends: 264 [2022-11-20 20:57:11,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-20 20:57:11,941 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 47 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:11,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1633 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 20:57:11,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-11-20 20:57:11,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262. [2022-11-20 20:57:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 142 states have internal predecessors, (166), 97 states have call successors, (97), 23 states have call predecessors, (97), 24 states have return successors, (110), 96 states have call predecessors, (110), 95 states have call successors, (110) [2022-11-20 20:57:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2022-11-20 20:57:11,970 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 87 [2022-11-20 20:57:11,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:11,970 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2022-11-20 20:57:11,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-20 20:57:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2022-11-20 20:57:11,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 20:57:11,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:11,973 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:11,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:12,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:12,183 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:12,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:12,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1655956311, now seen corresponding path program 1 times [2022-11-20 20:57:12,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:12,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741254400] [2022-11-20 20:57:12,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:12,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:12,320 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:57:12,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934712696] [2022-11-20 20:57:12,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:12,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:12,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:12,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:12,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:57:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:12,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 20:57:12,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 20:57:12,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:12,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:12,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741254400] [2022-11-20 20:57:12,995 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:57:12,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934712696] [2022-11-20 20:57:12,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934712696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:12,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:12,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 20:57:12,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431404643] [2022-11-20 20:57:12,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:12,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:57:12,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:12,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:57:12,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:57:13,000 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-20 20:57:13,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:13,683 INFO L93 Difference]: Finished difference Result 502 states and 725 transitions. [2022-11-20 20:57:13,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:57:13,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 96 [2022-11-20 20:57:13,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:13,690 INFO L225 Difference]: With dead ends: 502 [2022-11-20 20:57:13,690 INFO L226 Difference]: Without dead ends: 270 [2022-11-20 20:57:13,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:57:13,693 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 43 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:13,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1384 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 20:57:13,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-11-20 20:57:13,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 262. [2022-11-20 20:57:13,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 142 states have internal predecessors, (166), 97 states have call successors, (97), 23 states have call predecessors, (97), 24 states have return successors, (110), 96 states have call predecessors, (110), 95 states have call successors, (110) [2022-11-20 20:57:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2022-11-20 20:57:13,759 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 96 [2022-11-20 20:57:13,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:13,760 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2022-11-20 20:57:13,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-20 20:57:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2022-11-20 20:57:13,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-20 20:57:13,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:13,763 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:13,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:13,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:13,973 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:13,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:13,974 INFO L85 PathProgramCache]: Analyzing trace with hash -805280807, now seen corresponding path program 1 times [2022-11-20 20:57:13,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:13,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459143805] [2022-11-20 20:57:13,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:13,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:14,099 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:57:14,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39775844] [2022-11-20 20:57:14,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:14,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:14,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:14,104 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:14,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 20:57:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:14,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 2399 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 20:57:14,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:14,898 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-20 20:57:14,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:14,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:14,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459143805] [2022-11-20 20:57:14,899 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:57:14,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39775844] [2022-11-20 20:57:14,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39775844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:14,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:14,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 20:57:14,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092807970] [2022-11-20 20:57:14,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:14,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 20:57:14,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:14,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 20:57:14,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 20:57:14,907 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 5 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-20 20:57:15,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:15,931 INFO L93 Difference]: Finished difference Result 504 states and 726 transitions. [2022-11-20 20:57:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 20:57:15,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 5 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 104 [2022-11-20 20:57:15,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:15,935 INFO L225 Difference]: With dead ends: 504 [2022-11-20 20:57:15,935 INFO L226 Difference]: Without dead ends: 272 [2022-11-20 20:57:15,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-20 20:57:15,938 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 66 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:15,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1865 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 20:57:15,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-11-20 20:57:15,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 262. [2022-11-20 20:57:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 142 states have internal predecessors, (166), 97 states have call successors, (97), 23 states have call predecessors, (97), 24 states have return successors, (110), 96 states have call predecessors, (110), 95 states have call successors, (110) [2022-11-20 20:57:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2022-11-20 20:57:15,965 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 104 [2022-11-20 20:57:15,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:15,966 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2022-11-20 20:57:15,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 5 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-20 20:57:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2022-11-20 20:57:15,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 20:57:15,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:15,969 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:15,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:16,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:16,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:16,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:16,179 INFO L85 PathProgramCache]: Analyzing trace with hash -921198593, now seen corresponding path program 1 times [2022-11-20 20:57:16,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:16,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779594736] [2022-11-20 20:57:16,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:16,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:16,273 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:57:16,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902523673] [2022-11-20 20:57:16,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:16,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:16,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:16,275 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:16,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 20:57:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:16,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 20:57:16,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:17,061 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-20 20:57:17,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:17,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:17,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779594736] [2022-11-20 20:57:17,062 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:57:17,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902523673] [2022-11-20 20:57:17,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902523673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:17,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:17,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 20:57:17,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507351132] [2022-11-20 20:57:17,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:17,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 20:57:17,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:17,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 20:57:17,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 20:57:17,065 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-20 20:57:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:17,811 INFO L93 Difference]: Finished difference Result 471 states and 678 transitions. [2022-11-20 20:57:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:57:17,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 113 [2022-11-20 20:57:17,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:17,815 INFO L225 Difference]: With dead ends: 471 [2022-11-20 20:57:17,815 INFO L226 Difference]: Without dead ends: 264 [2022-11-20 20:57:17,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:57:17,818 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 62 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:17,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 1620 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 20:57:17,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-11-20 20:57:17,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2022-11-20 20:57:17,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 140 states have (on average 1.1928571428571428) internal successors, (167), 144 states have internal predecessors, (167), 97 states have call successors, (97), 23 states have call predecessors, (97), 25 states have return successors, (112), 96 states have call predecessors, (112), 95 states have call successors, (112) [2022-11-20 20:57:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 376 transitions. [2022-11-20 20:57:17,842 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 376 transitions. Word has length 113 [2022-11-20 20:57:17,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:17,843 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 376 transitions. [2022-11-20 20:57:17,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-20 20:57:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 376 transitions. [2022-11-20 20:57:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 20:57:17,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:17,845 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:57:17,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:18,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:18,056 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:18,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:18,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1462310819, now seen corresponding path program 1 times [2022-11-20 20:57:18,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:18,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980396156] [2022-11-20 20:57:18,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:18,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:18,151 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:57:18,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718982794] [2022-11-20 20:57:18,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:18,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:18,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:18,153 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:18,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 20:57:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:18,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 2631 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 20:57:18,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 20:57:18,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:18,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:18,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980396156] [2022-11-20 20:57:18,926 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:57:18,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718982794] [2022-11-20 20:57:18,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718982794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:18,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:18,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 20:57:18,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450470393] [2022-11-20 20:57:18,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:18,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 20:57:18,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:18,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 20:57:18,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:57:18,928 INFO L87 Difference]: Start difference. First operand 264 states and 376 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 5 states have call successors, (20) [2022-11-20 20:57:19,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:19,942 INFO L93 Difference]: Finished difference Result 481 states and 692 transitions. [2022-11-20 20:57:19,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 20:57:19,943 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 5 states have call successors, (20) Word has length 129 [2022-11-20 20:57:19,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:19,946 INFO L225 Difference]: With dead ends: 481 [2022-11-20 20:57:19,947 INFO L226 Difference]: Without dead ends: 272 [2022-11-20 20:57:19,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-20 20:57:19,949 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 81 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:19,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 2075 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 20:57:19,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-11-20 20:57:19,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 270. [2022-11-20 20:57:19,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 145 states have (on average 1.193103448275862) internal successors, (173), 148 states have internal predecessors, (173), 98 states have call successors, (98), 23 states have call predecessors, (98), 25 states have return successors, (113), 98 states have call predecessors, (113), 96 states have call successors, (113) [2022-11-20 20:57:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 384 transitions. [2022-11-20 20:57:19,971 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 384 transitions. Word has length 129 [2022-11-20 20:57:19,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:19,972 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 384 transitions. [2022-11-20 20:57:19,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 5 states have call successors, (20) [2022-11-20 20:57:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 384 transitions. [2022-11-20 20:57:19,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-20 20:57:19,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:19,975 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 20:57:19,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:20,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:20,186 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:20,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:20,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1271578795, now seen corresponding path program 1 times [2022-11-20 20:57:20,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:20,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057350252] [2022-11-20 20:57:20,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:20,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:20,296 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:57:20,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1442173098] [2022-11-20 20:57:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:20,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:20,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:20,298 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:20,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 20:57:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:21,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 2895 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 20:57:21,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-20 20:57:21,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:21,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:21,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057350252] [2022-11-20 20:57:21,177 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:57:21,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442173098] [2022-11-20 20:57:21,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442173098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:21,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:21,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 20:57:21,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095197379] [2022-11-20 20:57:21,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:21,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 20:57:21,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:21,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 20:57:21,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 20:57:21,180 INFO L87 Difference]: Start difference. First operand 270 states and 384 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-20 20:57:22,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:22,093 INFO L93 Difference]: Finished difference Result 493 states and 708 transitions. [2022-11-20 20:57:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 20:57:22,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) Word has length 147 [2022-11-20 20:57:22,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:22,096 INFO L225 Difference]: With dead ends: 493 [2022-11-20 20:57:22,096 INFO L226 Difference]: Without dead ends: 278 [2022-11-20 20:57:22,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-20 20:57:22,099 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 73 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:22,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1871 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 20:57:22,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-11-20 20:57:22,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 270. [2022-11-20 20:57:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 145 states have (on average 1.193103448275862) internal successors, (173), 148 states have internal predecessors, (173), 98 states have call successors, (98), 23 states have call predecessors, (98), 25 states have return successors, (113), 98 states have call predecessors, (113), 96 states have call successors, (113) [2022-11-20 20:57:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 384 transitions. [2022-11-20 20:57:22,119 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 384 transitions. Word has length 147 [2022-11-20 20:57:22,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:22,120 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 384 transitions. [2022-11-20 20:57:22,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-20 20:57:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 384 transitions. [2022-11-20 20:57:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 20:57:22,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:22,123 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 20:57:22,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:22,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:22,335 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:22,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:22,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1967051755, now seen corresponding path program 1 times [2022-11-20 20:57:22,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:22,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390924802] [2022-11-20 20:57:22,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:22,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:22,435 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:57:22,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738516032] [2022-11-20 20:57:22,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:22,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:22,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:22,437 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:22,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 20:57:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:23,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 3003 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 20:57:23,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:23,391 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-20 20:57:23,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:23,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:23,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390924802] [2022-11-20 20:57:23,392 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:57:23,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738516032] [2022-11-20 20:57:23,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738516032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:23,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:23,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 20:57:23,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203507578] [2022-11-20 20:57:23,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:23,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 20:57:23,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:23,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 20:57:23,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-20 20:57:23,394 INFO L87 Difference]: Start difference. First operand 270 states and 384 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 6 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-20 20:57:25,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:25,009 INFO L93 Difference]: Finished difference Result 487 states and 698 transitions. [2022-11-20 20:57:25,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 20:57:25,010 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 6 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 6 states have call successors, (24) Word has length 163 [2022-11-20 20:57:25,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:25,012 INFO L225 Difference]: With dead ends: 487 [2022-11-20 20:57:25,012 INFO L226 Difference]: Without dead ends: 272 [2022-11-20 20:57:25,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-11-20 20:57:25,015 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 96 mSDsluCounter, 2033 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 2312 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:25,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 2312 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 20:57:25,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-11-20 20:57:25,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 262. [2022-11-20 20:57:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 142 states have internal predecessors, (166), 97 states have call successors, (97), 23 states have call predecessors, (97), 24 states have return successors, (108), 96 states have call predecessors, (108), 95 states have call successors, (108) [2022-11-20 20:57:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 371 transitions. [2022-11-20 20:57:25,032 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 371 transitions. Word has length 163 [2022-11-20 20:57:25,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:25,033 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 371 transitions. [2022-11-20 20:57:25,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 6 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-20 20:57:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 371 transitions. [2022-11-20 20:57:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-20 20:57:25,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:25,036 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 20:57:25,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:25,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-20 20:57:25,256 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:25,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:25,257 INFO L85 PathProgramCache]: Analyzing trace with hash 349213963, now seen corresponding path program 1 times [2022-11-20 20:57:25,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:25,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947348098] [2022-11-20 20:57:25,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:25,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:25,374 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:57:25,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1401221906] [2022-11-20 20:57:25,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:25,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:25,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:25,376 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:25,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 20:57:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:26,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 3267 conjuncts, 99 conjunts are in the unsatisfiable core [2022-11-20 20:57:26,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-20 20:57:27,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:57:27,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:27,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947348098] [2022-11-20 20:57:27,207 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:57:27,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401221906] [2022-11-20 20:57:27,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401221906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:57:27,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:57:27,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 20:57:27,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042711329] [2022-11-20 20:57:27,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:57:27,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 20:57:27,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:57:27,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 20:57:27,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-20 20:57:27,210 INFO L87 Difference]: Start difference. First operand 262 states and 371 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 6 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-20 20:57:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:57:28,331 INFO L93 Difference]: Finished difference Result 504 states and 723 transitions. [2022-11-20 20:57:28,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 20:57:28,332 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 6 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 181 [2022-11-20 20:57:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:57:28,334 INFO L225 Difference]: With dead ends: 504 [2022-11-20 20:57:28,334 INFO L226 Difference]: Without dead ends: 294 [2022-11-20 20:57:28,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 169 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-11-20 20:57:28,341 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 91 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:57:28,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1663 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 340 Invalid, 0 Unknown, 86 Unchecked, 1.0s Time] [2022-11-20 20:57:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-11-20 20:57:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 273. [2022-11-20 20:57:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 146 states have (on average 1.1849315068493151) internal successors, (173), 149 states have internal predecessors, (173), 99 states have call successors, (99), 24 states have call predecessors, (99), 26 states have return successors, (116), 99 states have call predecessors, (116), 97 states have call successors, (116) [2022-11-20 20:57:28,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 388 transitions. [2022-11-20 20:57:28,372 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 388 transitions. Word has length 181 [2022-11-20 20:57:28,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:57:28,376 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 388 transitions. [2022-11-20 20:57:28,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 6 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-20 20:57:28,377 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 388 transitions. [2022-11-20 20:57:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-20 20:57:28,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:57:28,380 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 20:57:28,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 20:57:28,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:28,595 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:57:28,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:57:28,595 INFO L85 PathProgramCache]: Analyzing trace with hash 391983578, now seen corresponding path program 1 times [2022-11-20 20:57:28,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:57:28,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447599847] [2022-11-20 20:57:28,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:28,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:57:28,741 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:57:28,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [792763608] [2022-11-20 20:57:28,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:57:28,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:57:28,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:57:28,744 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:57:28,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_137fab6c-93dd-4be3-8b46-583139be3e30/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 20:57:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:57:30,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 137 conjunts are in the unsatisfiable core [2022-11-20 20:57:30,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:57:30,187 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 [2022-11-20 20:57:30,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-20 20:57:30,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:57:30,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-20 20:57:30,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:57:30,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-20 20:57:31,148 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1304 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_1304) |c_#memory_int|)) is different from true [2022-11-20 20:57:31,449 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_1305 Int)) (= (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_1305)) |c_#memory_int|)) is different from true [2022-11-20 20:57:31,461 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_1305 Int)) (= (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_1305)) |c_#memory_int|)) is different from true [2022-11-20 20:57:31,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:57:31,670 INFO L321 Elim1Store]: treesize reduction 61, result has 37.1 percent of original size [2022-11-20 20:57:31,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 100 [2022-11-20 20:57:31,695 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-20 20:57:31,695 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 11 treesize of output 11 [2022-11-20 20:57:31,723 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 8 treesize of output 7 [2022-11-20 20:57:31,773 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 8 treesize of output 7 [2022-11-20 20:57:31,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:57:31,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2022-11-20 20:57:31,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:57:31,869 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 36 [2022-11-20 20:57:32,195 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 17 treesize of output 9 [2022-11-20 20:57:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 154 proven. 28 refuted. 0 times theorem prover too weak. 98 trivial. 5 not checked. [2022-11-20 20:57:32,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:57:35,836 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:57:35,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447599847] [2022-11-20 20:57:35,837 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:57:35,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792763608] [2022-11-20 20:57:35,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792763608] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:57:35,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [586629236] [2022-11-20 20:57:35,865 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-20 20:57:35,865 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:57:35,869 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:57:35,876 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:57:35,877 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:57:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:57:40,616 INFO L217 Elim1Store]: Index analysis took 559 ms [2022-11-20 20:57:59,133 WARN L233 SmtUtils]: Spent 18.43s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 20:57:59,138 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-11-20 20:57:59,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-11-20 20:58:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:58:03,201 INFO L217 Elim1Store]: Index analysis took 976 ms [2022-11-20 20:58:32,979 WARN L233 SmtUtils]: Spent 29.71s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 20:58:32,984 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-20 20:58:32,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-20 20:59:58,772 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 [2022-11-20 20:59:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:59:58,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-20 20:59:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:59:58,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-20 20:59:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:59:58,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:59:58,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-20 21:00:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:01,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-20 21:00:02,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:02,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-20 21:00:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,189 INFO L217 Elim1Store]: Index analysis took 150 ms [2022-11-20 21:00:03,219 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 [2022-11-20 21:00:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:03,909 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 [2022-11-20 21:00:04,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:04,353 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-11-20 21:00:04,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-20 21:00:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:11,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-20 21:00:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:12,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-20 21:00:12,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:12,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:12,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:12,838 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-11-20 21:00:12,872 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 [2022-11-20 21:00:13,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:13,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-20 21:00:13,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:13,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:13,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:13,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:13,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:13,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:14,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:00:14,055 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 [2022-11-20 21:00:31,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 42 treesize of output 30 [2022-11-20 21:00:31,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 24 [2022-11-20 21:00:31,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 11 [2022-11-20 21:00:31,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 42 treesize of output 30 [2022-11-20 21:00:31,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 24 [2022-11-20 21:00:32,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 11 [2022-11-20 21:00:47,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 42 treesize of output 30 [2022-11-20 21:00:47,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 24 [2022-11-20 21:00:47,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 11 [2022-11-20 21:00:47,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 42 treesize of output 30 [2022-11-20 21:00:47,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 24 [2022-11-20 21:00:47,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 11 [2022-11-20 21:00:50,477 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 [2022-11-20 21:00:50,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-20 21:00:51,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-11-20 21:00:51,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-20 21:01:05,511 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 [2022-11-20 21:01:05,516 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 [2022-11-20 21:01:05,540 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 [2022-11-20 21:01:05,544 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 [2022-11-20 21:01:05,579 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 [2022-11-20 21:01:05,589 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 [2022-11-20 21:01:05,599 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 [2022-11-20 21:01:05,606 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 [2022-11-20 21:01:05,638 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 [2022-11-20 21:01:05,662 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:01:05,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-20 21:01:05,672 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 [2022-11-20 21:01:05,728 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:01:05,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-20 21:01:05,740 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 [2022-11-20 21:01:05,746 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 [2022-11-20 21:01:05,795 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 [2022-11-20 21:01:05,961 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 23 [2022-11-20 21:01:05,964 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 23 treesize of output 19 [2022-11-20 21:01:06,049 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 23 [2022-11-20 21:01:06,052 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 23 treesize of output 19 [2022-11-20 21:01:07,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-20 21:01:08,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 2143 treesize of output 2115 [2022-11-20 21:01:08,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2111 treesize of output 2087 [2022-11-20 21:01:24,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-20 21:01:25,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 2143 treesize of output 2115 [2022-11-20 21:01:25,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2111 treesize of output 2087 [2022-11-20 21:02:20,473 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-11-20 21:02:33,537 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2962 for LOIs [2022-11-20 21:03:52,919 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 [2022-11-20 21:03:52,932 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 [2022-11-20 21:03:52,959 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 [2022-11-20 21:03:52,969 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 [2022-11-20 21:04:14,582 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-20 21:04:14,586 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-20 21:04:14,594 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-11-20 21:04:18,421 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 83 for LOIs [2022-11-20 21:04:18,451 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 [2022-11-20 21:04:18,472 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 [2022-11-20 21:04:18,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:04:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:04:18,572 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:04:18,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-20 21:04:18,589 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 [2022-11-20 21:04:18,602 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 [2022-11-20 21:04:18,683 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 [2022-11-20 21:04:18,696 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 [2022-11-20 21:04:18,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:04:18,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 21:04:18,713 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 21:04:18,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-20 21:04:18,789 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 [2022-11-20 21:04:18,961 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 107 for LOIs [2022-11-20 21:04:19,684 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 94 for LOIs [2022-11-20 21:04:19,718 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:06:27,734 WARN L233 SmtUtils]: Spent 2.09m on a formula simplification. DAG size of input: 2824 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 21:10:19,961 WARN L233 SmtUtils]: Spent 3.82m on a formula simplification. DAG size of input: 2895 DAG size of output: 2451 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)