./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i -s /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54564ff11c4d345dbb32c828a7aa38393a50cdf2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:09:10,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:09:10,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:09:10,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:09:10,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:09:10,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:09:10,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:09:11,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:09:11,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:09:11,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:09:11,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:09:11,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:09:11,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:09:11,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:09:11,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:09:11,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:09:11,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:09:11,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:09:11,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:09:11,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:09:11,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:09:11,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:09:11,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:09:11,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:09:11,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:09:11,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:09:11,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:09:11,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:09:11,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:09:11,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:09:11,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:09:11,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:09:11,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:09:11,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:09:11,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:09:11,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:09:11,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:09:11,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:09:11,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:09:11,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:09:11,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:09:11,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-01 15:09:11,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:09:11,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:09:11,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:09:11,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:09:11,122 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:09:11,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:09:11,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:09:11,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:09:11,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:09:11,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:09:11,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:09:11,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:09:11,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:09:11,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:09:11,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:09:11,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:09:11,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:09:11,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:09:11,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:09:11,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:09:11,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:09:11,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:09:11,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:09:11,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:09:11,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:09:11,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:09:11,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:09:11,128 INFO L138 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54564ff11c4d345dbb32c828a7aa38393a50cdf2 [2020-12-01 15:09:11,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:09:11,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:09:11,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:09:11,461 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:09:11,462 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:09:11,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2020-12-01 15:09:11,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/data/090a3e917/8386e3b0cd2e406180762d54c3aa0721/FLAG5d0d473e1 [2020-12-01 15:09:12,358 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:09:12,359 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2020-12-01 15:09:12,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/data/090a3e917/8386e3b0cd2e406180762d54c3aa0721/FLAG5d0d473e1 [2020-12-01 15:09:12,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/data/090a3e917/8386e3b0cd2e406180762d54c3aa0721 [2020-12-01 15:09:12,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:09:12,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:09:12,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:09:12,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:09:12,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:09:12,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:09:12" (1/1) ... [2020-12-01 15:09:12,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab237fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:12, skipping insertion in model container [2020-12-01 15:09:12,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:09:12" (1/1) ... [2020-12-01 15:09:12,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:09:12,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:09:13,374 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-01 15:09:13,381 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-01 15:09:14,439 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,440 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,440 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,441 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,442 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,457 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,457 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,459 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,460 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,462 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,463 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,464 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:14,464 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,044 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-01 15:09:15,046 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-01 15:09:15,047 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-01 15:09:15,048 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-01 15:09:15,050 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-01 15:09:15,051 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-01 15:09:15,051 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-01 15:09:15,052 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-01 15:09:15,053 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-01 15:09:15,053 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-01 15:09:15,244 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-01 15:09:15,606 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,607 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,634 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,636 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,641 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,642 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,664 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,665 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,665 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,666 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,666 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,666 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,667 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:09:15,768 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:09:15,797 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-01 15:09:15,798 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-01 15:09:15,845 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,845 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,846 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,846 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,847 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,856 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,858 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,860 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,861 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,861 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,862 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,862 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,863 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:15,929 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-01 15:09:15,929 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-01 15:09:15,930 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-01 15:09:15,931 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-01 15:09:15,931 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-01 15:09:15,932 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-01 15:09:15,932 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-01 15:09:15,933 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-01 15:09:15,933 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-01 15:09:15,933 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-01 15:09:15,956 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-01 15:09:16,073 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,073 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,083 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,084 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,087 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,087 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,102 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,103 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,103 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,104 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,104 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,104 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,105 WARN L1500 CHandler]: Possible shadowing of function index [2020-12-01 15:09:16,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:09:17,062 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:09:17,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17 WrapperNode [2020-12-01 15:09:17,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:09:17,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:09:17,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:09:17,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:09:17,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... [2020-12-01 15:09:17,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... [2020-12-01 15:09:17,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:09:17,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:09:17,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:09:17,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:09:17,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... [2020-12-01 15:09:17,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... [2020-12-01 15:09:17,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... [2020-12-01 15:09:17,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... [2020-12-01 15:09:17,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... [2020-12-01 15:09:17,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... [2020-12-01 15:09:17,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... [2020-12-01 15:09:17,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:09:17,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:09:17,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:09:17,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:09:17,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:09:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 15:09:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:09:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 15:09:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 15:09:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:09:17,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:09:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2020-12-01 15:09:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:09:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2020-12-01 15:09:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 15:09:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:09:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:09:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 15:09:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 15:09:17,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:09:27,676 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !true; [2020-12-01 15:09:27,686 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:09:27,687 INFO L298 CfgBuilder]: Removed 122 assume(true) statements. [2020-12-01 15:09:27,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:09:27 BoogieIcfgContainer [2020-12-01 15:09:27,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:09:27,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:09:27,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:09:27,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:09:27,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:09:12" (1/3) ... [2020-12-01 15:09:27,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efda255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:09:27, skipping insertion in model container [2020-12-01 15:09:27,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:09:17" (2/3) ... [2020-12-01 15:09:27,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efda255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:09:27, skipping insertion in model container [2020-12-01 15:09:27,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:09:27" (3/3) ... [2020-12-01 15:09:27,700 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_init_unbounded_harness.i [2020-12-01 15:09:27,714 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:09:27,717 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-01 15:09:27,728 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-01 15:09:27,764 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:09:27,765 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:09:27,766 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:09:27,766 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:09:27,766 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:09:27,766 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:09:27,767 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:09:27,767 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:09:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-01 15:09:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 15:09:27,795 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:27,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:27,796 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:27,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:27,802 INFO L82 PathProgramCache]: Analyzing trace with hash -633636876, now seen corresponding path program 1 times [2020-12-01 15:09:27,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:27,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928591760] [2020-12-01 15:09:27,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:28,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928591760] [2020-12-01 15:09:28,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:28,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:09:28,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569824337] [2020-12-01 15:09:28,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:09:28,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:28,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:09:28,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:09:28,649 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-01 15:09:28,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:28,696 INFO L93 Difference]: Finished difference Result 223 states and 296 transitions. [2020-12-01 15:09:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:09:28,697 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2020-12-01 15:09:28,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:28,711 INFO L225 Difference]: With dead ends: 223 [2020-12-01 15:09:28,712 INFO L226 Difference]: Without dead ends: 106 [2020-12-01 15:09:28,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:09:28,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-01 15:09:28,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-12-01 15:09:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-01 15:09:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 129 transitions. [2020-12-01 15:09:28,766 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 129 transitions. Word has length 31 [2020-12-01 15:09:28,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:28,766 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 129 transitions. [2020-12-01 15:09:28,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:09:28,767 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 129 transitions. [2020-12-01 15:09:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 15:09:28,768 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:28,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:28,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:09:28,769 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:28,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:28,770 INFO L82 PathProgramCache]: Analyzing trace with hash 424905386, now seen corresponding path program 1 times [2020-12-01 15:09:28,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:28,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160783077] [2020-12-01 15:09:28,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:29,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160783077] [2020-12-01 15:09:29,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:29,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:09:29,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989914220] [2020-12-01 15:09:29,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:09:29,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:29,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:09:29,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:09:29,157 INFO L87 Difference]: Start difference. First operand 106 states and 129 transitions. Second operand 4 states. [2020-12-01 15:09:29,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:29,288 INFO L93 Difference]: Finished difference Result 272 states and 333 transitions. [2020-12-01 15:09:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:09:29,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-01 15:09:29,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:29,293 INFO L225 Difference]: With dead ends: 272 [2020-12-01 15:09:29,293 INFO L226 Difference]: Without dead ends: 191 [2020-12-01 15:09:29,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:09:29,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-12-01 15:09:29,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 108. [2020-12-01 15:09:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-12-01 15:09:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 131 transitions. [2020-12-01 15:09:29,316 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 131 transitions. Word has length 31 [2020-12-01 15:09:29,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:29,317 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 131 transitions. [2020-12-01 15:09:29,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:09:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2020-12-01 15:09:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 15:09:29,320 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:29,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:29,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:09:29,320 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:29,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:29,321 INFO L82 PathProgramCache]: Analyzing trace with hash 2127855684, now seen corresponding path program 1 times [2020-12-01 15:09:29,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:29,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474003476] [2020-12-01 15:09:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:29,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474003476] [2020-12-01 15:09:29,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:29,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:09:29,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436708458] [2020-12-01 15:09:29,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:09:29,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:29,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:09:29,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:09:29,675 INFO L87 Difference]: Start difference. First operand 108 states and 131 transitions. Second operand 4 states. [2020-12-01 15:09:29,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:29,793 INFO L93 Difference]: Finished difference Result 202 states and 245 transitions. [2020-12-01 15:09:29,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:09:29,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-01 15:09:29,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:29,796 INFO L225 Difference]: With dead ends: 202 [2020-12-01 15:09:29,796 INFO L226 Difference]: Without dead ends: 189 [2020-12-01 15:09:29,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:09:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-12-01 15:09:29,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 110. [2020-12-01 15:09:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-01 15:09:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 133 transitions. [2020-12-01 15:09:29,820 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 133 transitions. Word has length 33 [2020-12-01 15:09:29,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:29,820 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 133 transitions. [2020-12-01 15:09:29,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:09:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2020-12-01 15:09:29,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 15:09:29,824 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:29,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:29,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:09:29,825 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:29,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:29,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1117880677, now seen corresponding path program 1 times [2020-12-01 15:09:29,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:29,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140016367] [2020-12-01 15:09:29,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:30,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140016367] [2020-12-01 15:09:30,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:30,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:09:30,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869815345] [2020-12-01 15:09:30,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:09:30,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:30,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:09:30,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:09:30,128 INFO L87 Difference]: Start difference. First operand 110 states and 133 transitions. Second operand 4 states. [2020-12-01 15:09:30,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:30,173 INFO L93 Difference]: Finished difference Result 123 states and 148 transitions. [2020-12-01 15:09:30,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:09:30,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-01 15:09:30,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:30,177 INFO L225 Difference]: With dead ends: 123 [2020-12-01 15:09:30,177 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 15:09:30,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:09:30,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 15:09:30,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2020-12-01 15:09:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-12-01 15:09:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 129 transitions. [2020-12-01 15:09:30,199 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 129 transitions. Word has length 34 [2020-12-01 15:09:30,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:30,203 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 129 transitions. [2020-12-01 15:09:30,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:09:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2020-12-01 15:09:30,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 15:09:30,206 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:30,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:30,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:09:30,207 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:30,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:30,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1643067430, now seen corresponding path program 1 times [2020-12-01 15:09:30,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:30,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256963744] [2020-12-01 15:09:30,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:30,316 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:09:30,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732431965] [2020-12-01 15:09:30,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:31,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 2441 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 15:09:31,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:09:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:31,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256963744] [2020-12-01 15:09:31,775 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:09:31,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732431965] [2020-12-01 15:09:31,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:31,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:09:31,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236232957] [2020-12-01 15:09:31,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:09:31,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:31,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:09:31,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:09:31,777 INFO L87 Difference]: Start difference. First operand 108 states and 129 transitions. Second operand 4 states. [2020-12-01 15:09:32,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:32,091 INFO L93 Difference]: Finished difference Result 136 states and 162 transitions. [2020-12-01 15:09:32,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:09:32,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-12-01 15:09:32,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:32,093 INFO L225 Difference]: With dead ends: 136 [2020-12-01 15:09:32,093 INFO L226 Difference]: Without dead ends: 108 [2020-12-01 15:09:32,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:09:32,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-01 15:09:32,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-12-01 15:09:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-12-01 15:09:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 127 transitions. [2020-12-01 15:09:32,103 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 127 transitions. Word has length 41 [2020-12-01 15:09:32,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:32,103 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 127 transitions. [2020-12-01 15:09:32,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:09:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 127 transitions. [2020-12-01 15:09:32,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 15:09:32,106 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:32,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:32,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:32,332 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:32,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:32,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1803411465, now seen corresponding path program 1 times [2020-12-01 15:09:32,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:32,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902178436] [2020-12-01 15:09:32,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:32,451 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:09:32,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [814898980] [2020-12-01 15:09:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:33,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:09:33,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:09:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:33,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902178436] [2020-12-01 15:09:33,845 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:09:33,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814898980] [2020-12-01 15:09:33,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:33,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:09:33,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795353641] [2020-12-01 15:09:33,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:09:33,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:33,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:09:33,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:09:33,846 INFO L87 Difference]: Start difference. First operand 108 states and 127 transitions. Second operand 4 states. [2020-12-01 15:09:33,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:33,876 INFO L93 Difference]: Finished difference Result 173 states and 202 transitions. [2020-12-01 15:09:33,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:09:33,877 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-12-01 15:09:33,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:33,878 INFO L225 Difference]: With dead ends: 173 [2020-12-01 15:09:33,878 INFO L226 Difference]: Without dead ends: 108 [2020-12-01 15:09:33,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:09:33,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-01 15:09:33,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-12-01 15:09:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-12-01 15:09:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-12-01 15:09:33,885 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 54 [2020-12-01 15:09:33,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:33,886 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-12-01 15:09:33,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:09:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-12-01 15:09:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 15:09:33,888 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:33,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:34,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:34,112 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:34,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:34,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1242582774, now seen corresponding path program 1 times [2020-12-01 15:09:34,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:34,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808023779] [2020-12-01 15:09:34,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:34,242 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:09:34,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [652388174] [2020-12-01 15:09:34,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:35,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 15:09:35,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:09:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:35,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808023779] [2020-12-01 15:09:35,519 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:09:35,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652388174] [2020-12-01 15:09:35,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:35,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:09:35,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685438657] [2020-12-01 15:09:35,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:09:35,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:35,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:09:35,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:09:35,521 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-12-01 15:09:36,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:36,217 INFO L93 Difference]: Finished difference Result 138 states and 160 transitions. [2020-12-01 15:09:36,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:09:36,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-12-01 15:09:36,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:36,224 INFO L225 Difference]: With dead ends: 138 [2020-12-01 15:09:36,224 INFO L226 Difference]: Without dead ends: 108 [2020-12-01 15:09:36,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:09:36,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-01 15:09:36,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-12-01 15:09:36,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-12-01 15:09:36,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2020-12-01 15:09:36,230 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 59 [2020-12-01 15:09:36,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:36,231 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2020-12-01 15:09:36,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:09:36,231 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2020-12-01 15:09:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 15:09:36,233 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:36,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:36,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:36,448 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:36,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:36,448 INFO L82 PathProgramCache]: Analyzing trace with hash -231511021, now seen corresponding path program 1 times [2020-12-01 15:09:36,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:36,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326548782] [2020-12-01 15:09:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:36,547 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:09:36,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750965709] [2020-12-01 15:09:36,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:37,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 2699 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-01 15:09:37,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:09:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:37,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326548782] [2020-12-01 15:09:37,964 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:09:37,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750965709] [2020-12-01 15:09:37,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:37,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-01 15:09:37,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486268452] [2020-12-01 15:09:37,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-01 15:09:37,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:37,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-01 15:09:37,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:09:37,968 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 9 states. [2020-12-01 15:09:38,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:38,699 INFO L93 Difference]: Finished difference Result 150 states and 172 transitions. [2020-12-01 15:09:38,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-01 15:09:38,700 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-12-01 15:09:38,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:38,701 INFO L225 Difference]: With dead ends: 150 [2020-12-01 15:09:38,701 INFO L226 Difference]: Without dead ends: 106 [2020-12-01 15:09:38,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-12-01 15:09:38,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-01 15:09:38,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-12-01 15:09:38,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-01 15:09:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 120 transitions. [2020-12-01 15:09:38,708 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 120 transitions. Word has length 65 [2020-12-01 15:09:38,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:38,709 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 120 transitions. [2020-12-01 15:09:38,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-01 15:09:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 120 transitions. [2020-12-01 15:09:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 15:09:38,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:38,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:38,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:38,936 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:38,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:38,936 INFO L82 PathProgramCache]: Analyzing trace with hash -961600890, now seen corresponding path program 1 times [2020-12-01 15:09:38,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:38,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954338555] [2020-12-01 15:09:38,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:39,054 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:09:39,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [263478446] [2020-12-01 15:09:39,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:40,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2823 conjuncts, 33 conjunts are in the unsatisfiable core [2020-12-01 15:09:40,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:09:40,528 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-01 15:09:40,529 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:09:40,535 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:09:40,536 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 15:09:40,537 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2020-12-01 15:09:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:40,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954338555] [2020-12-01 15:09:40,682 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:09:40,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263478446] [2020-12-01 15:09:40,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:40,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-01 15:09:40,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434787375] [2020-12-01 15:09:40,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-01 15:09:40,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:40,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-01 15:09:40,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2020-12-01 15:09:40,684 INFO L87 Difference]: Start difference. First operand 106 states and 120 transitions. Second operand 14 states. [2020-12-01 15:09:47,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:47,023 INFO L93 Difference]: Finished difference Result 131 states and 149 transitions. [2020-12-01 15:09:47,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-01 15:09:47,025 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 75 [2020-12-01 15:09:47,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:47,026 INFO L225 Difference]: With dead ends: 131 [2020-12-01 15:09:47,026 INFO L226 Difference]: Without dead ends: 112 [2020-12-01 15:09:47,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2020-12-01 15:09:47,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-12-01 15:09:47,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108. [2020-12-01 15:09:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-12-01 15:09:47,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2020-12-01 15:09:47,036 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 75 [2020-12-01 15:09:47,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:47,037 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2020-12-01 15:09:47,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-01 15:09:47,037 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2020-12-01 15:09:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 15:09:47,039 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:47,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:47,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:47,267 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:47,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:47,268 INFO L82 PathProgramCache]: Analyzing trace with hash 813406472, now seen corresponding path program 1 times [2020-12-01 15:09:47,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:47,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16139828] [2020-12-01 15:09:47,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:47,382 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:09:47,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2096131456] [2020-12-01 15:09:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:48,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 15:09:48,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:09:48,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:09:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:48,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16139828] [2020-12-01 15:09:48,650 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:09:48,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096131456] [2020-12-01 15:09:48,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:48,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:09:48,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40178066] [2020-12-01 15:09:48,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:09:48,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:48,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:09:48,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:09:48,652 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand 5 states. [2020-12-01 15:09:48,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:48,805 INFO L93 Difference]: Finished difference Result 130 states and 147 transitions. [2020-12-01 15:09:48,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:09:48,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-12-01 15:09:48,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:48,807 INFO L225 Difference]: With dead ends: 130 [2020-12-01 15:09:48,807 INFO L226 Difference]: Without dead ends: 106 [2020-12-01 15:09:48,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:09:48,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-01 15:09:48,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-12-01 15:09:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-01 15:09:48,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2020-12-01 15:09:48,813 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 75 [2020-12-01 15:09:48,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:48,813 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2020-12-01 15:09:48,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:09:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2020-12-01 15:09:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 15:09:48,815 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:48,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:49,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:49,029 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:49,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:49,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2145069215, now seen corresponding path program 1 times [2020-12-01 15:09:49,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:49,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621193051] [2020-12-01 15:09:49,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:49,135 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:09:49,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [601653818] [2020-12-01 15:09:49,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:50,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 2844 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 15:09:50,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:09:50,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:09:50,344 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:09:50,346 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:09:50,348 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:09:50,363 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2020-12-01 15:09:50,365 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:09:50,371 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-12-01 15:09:50,373 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-01 15:09:50,397 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:09:50,402 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-12-01 15:09:50,405 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-01 15:09:50,409 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2020-12-01 15:09:50,410 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-01 15:09:50,419 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:09:50,420 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-01 15:09:50,421 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:9 [2020-12-01 15:09:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:50,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621193051] [2020-12-01 15:09:50,442 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:09:50,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601653818] [2020-12-01 15:09:50,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:50,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:09:50,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447851066] [2020-12-01 15:09:50,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:09:50,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:09:50,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:09:50,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:09:50,443 INFO L87 Difference]: Start difference. First operand 106 states and 118 transitions. Second operand 5 states. [2020-12-01 15:09:55,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:55,509 INFO L93 Difference]: Finished difference Result 139 states and 154 transitions. [2020-12-01 15:09:55,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-01 15:09:55,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-01 15:09:55,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:55,511 INFO L225 Difference]: With dead ends: 139 [2020-12-01 15:09:55,512 INFO L226 Difference]: Without dead ends: 119 [2020-12-01 15:09:55,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:09:55,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-12-01 15:09:55,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2020-12-01 15:09:55,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-12-01 15:09:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2020-12-01 15:09:55,518 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 77 [2020-12-01 15:09:55,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:55,519 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2020-12-01 15:09:55,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:09:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2020-12-01 15:09:55,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 15:09:55,520 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:55,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:09:55,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:09:55,721 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:55,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:55,721 INFO L82 PathProgramCache]: Analyzing trace with hash -358643470, now seen corresponding path program 1 times [2020-12-01 15:09:55,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:09:55,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539429579] [2020-12-01 15:09:55,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:09:55,814 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:09:55,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1491631371] [2020-12-01 15:09:55,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:15:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:15:26,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 2869 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 15:15:26,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:15:27,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:15:27,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539429579] [2020-12-01 15:15:27,041 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:15:27,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491631371] [2020-12-01 15:15:27,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:15:27,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:15:27,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156407497] [2020-12-01 15:15:27,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:15:27,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:15:27,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:15:27,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:15:27,044 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand 4 states. [2020-12-01 15:15:27,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:15:27,182 INFO L93 Difference]: Finished difference Result 286 states and 317 transitions. [2020-12-01 15:15:27,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:15:27,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2020-12-01 15:15:27,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:15:27,185 INFO L225 Difference]: With dead ends: 286 [2020-12-01 15:15:27,185 INFO L226 Difference]: Without dead ends: 200 [2020-12-01 15:15:27,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:15:27,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-12-01 15:15:27,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 112. [2020-12-01 15:15:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-12-01 15:15:27,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2020-12-01 15:15:27,196 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 78 [2020-12-01 15:15:27,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:15:27,196 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2020-12-01 15:15:27,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:15:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2020-12-01 15:15:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 15:15:27,198 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:15:27,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2020-12-01 15:15:27,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-01 15:15:27,415 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:15:27,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:15:27,416 INFO L82 PathProgramCache]: Analyzing trace with hash -776040076, now seen corresponding path program 1 times [2020-12-01 15:15:27,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:15:27,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363365153] [2020-12-01 15:15:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:15:27,564 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:15:27,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045156633] [2020-12-01 15:15:27,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:15:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:15:28,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 2867 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-01 15:15:28,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:15:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:15:28,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363365153] [2020-12-01 15:15:28,938 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:15:28,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045156633] [2020-12-01 15:15:28,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:15:28,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:15:28,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762133991] [2020-12-01 15:15:28,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:15:28,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:15:28,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:15:28,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:15:28,939 INFO L87 Difference]: Start difference. First operand 112 states and 124 transitions. Second operand 4 states. [2020-12-01 15:15:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:15:29,039 INFO L93 Difference]: Finished difference Result 196 states and 216 transitions. [2020-12-01 15:15:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:15:29,041 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2020-12-01 15:15:29,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:15:29,042 INFO L225 Difference]: With dead ends: 196 [2020-12-01 15:15:29,042 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 15:15:29,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:15:29,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 15:15:29,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2020-12-01 15:15:29,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-01 15:15:29,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 117 transitions. [2020-12-01 15:15:29,053 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 117 transitions. Word has length 78 [2020-12-01 15:15:29,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:15:29,053 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 117 transitions. [2020-12-01 15:15:29,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:15:29,054 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2020-12-01 15:15:29,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 15:15:29,055 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:15:29,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:15:29,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:15:29,272 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:15:29,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:15:29,272 INFO L82 PathProgramCache]: Analyzing trace with hash -589599749, now seen corresponding path program 1 times [2020-12-01 15:15:29,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:15:29,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132755605] [2020-12-01 15:15:29,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:15:29,390 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:15:29,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [109618411] [2020-12-01 15:15:29,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:15:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:15:30,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 2858 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:15:30,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:15:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:15:30,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132755605] [2020-12-01 15:15:30,760 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:15:30,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109618411] [2020-12-01 15:15:30,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:15:30,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:15:30,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034001521] [2020-12-01 15:15:30,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:15:30,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:15:30,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:15:30,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:15:30,762 INFO L87 Difference]: Start difference. First operand 107 states and 117 transitions. Second operand 4 states. [2020-12-01 15:15:30,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:15:30,868 INFO L93 Difference]: Finished difference Result 189 states and 206 transitions. [2020-12-01 15:15:30,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:15:30,870 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2020-12-01 15:15:30,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:15:30,871 INFO L225 Difference]: With dead ends: 189 [2020-12-01 15:15:30,871 INFO L226 Difference]: Without dead ends: 107 [2020-12-01 15:15:30,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:15:30,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-01 15:15:30,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-01 15:15:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-01 15:15:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 116 transitions. [2020-12-01 15:15:30,882 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 116 transitions. Word has length 79 [2020-12-01 15:15:30,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:15:30,882 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 116 transitions. [2020-12-01 15:15:30,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:15:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2020-12-01 15:15:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 15:15:30,884 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:15:30,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:15:31,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:15:31,100 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:15:31,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:15:31,100 INFO L82 PathProgramCache]: Analyzing trace with hash -658597663, now seen corresponding path program 1 times [2020-12-01 15:15:31,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:15:31,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324106856] [2020-12-01 15:15:31,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:15:31,206 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:15:31,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978128064] [2020-12-01 15:15:31,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:15:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:15:32,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 2879 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 15:15:32,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:15:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:15:32,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324106856] [2020-12-01 15:15:32,632 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:15:32,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978128064] [2020-12-01 15:15:32,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:15:32,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:15:32,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242481774] [2020-12-01 15:15:32,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:15:32,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:15:32,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:15:32,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:15:32,634 INFO L87 Difference]: Start difference. First operand 107 states and 116 transitions. Second operand 5 states. [2020-12-01 15:15:32,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:15:32,755 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2020-12-01 15:15:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:15:32,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2020-12-01 15:15:32,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:15:32,755 INFO L225 Difference]: With dead ends: 107 [2020-12-01 15:15:32,755 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:15:32,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:15:32,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:15:32,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:15:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:15:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:15:32,757 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2020-12-01 15:15:32,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:15:32,757 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:15:32,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:15:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:15:32,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:15:32,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-01 15:15:32,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:15:33,202 INFO L262 CegarLoopResult]: For program point L10143-2(lines 10143 10145) no Hoare annotation was computed. [2020-12-01 15:15:33,202 INFO L262 CegarLoopResult]: For program point L10143(lines 10143 10145) no Hoare annotation was computed. [2020-12-01 15:15:33,202 INFO L258 CegarLoopResult]: At program point L250(lines 248 251) the Hoare annotation is: false [2020-12-01 15:15:33,202 INFO L262 CegarLoopResult]: For program point L7385-3(lines 7385 7387) no Hoare annotation was computed. [2020-12-01 15:15:33,202 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2020-12-01 15:15:33,203 INFO L262 CegarLoopResult]: For program point L7385-2(lines 7385 7387) no Hoare annotation was computed. [2020-12-01 15:15:33,203 INFO L262 CegarLoopResult]: For program point L7385-1(lines 7385 7387) no Hoare annotation was computed. [2020-12-01 15:15:33,203 INFO L262 CegarLoopResult]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2020-12-01 15:15:33,203 INFO L262 CegarLoopResult]: For program point L9202(lines 9202 9204) no Hoare annotation was computed. [2020-12-01 15:15:33,203 INFO L262 CegarLoopResult]: For program point L7385-5(lines 7385 7387) no Hoare annotation was computed. [2020-12-01 15:15:33,204 INFO L262 CegarLoopResult]: For program point L7385-4(lines 7385 7387) no Hoare annotation was computed. [2020-12-01 15:15:33,204 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:15:33,204 INFO L258 CegarLoopResult]: At program point L6940(lines 6934 6941) the Hoare annotation is: false [2020-12-01 15:15:33,204 INFO L258 CegarLoopResult]: At program point L10062-1(lines 10017 10064) the Hoare annotation is: false [2020-12-01 15:15:33,204 INFO L258 CegarLoopResult]: At program point L10062(lines 10017 10064) the Hoare annotation is: false [2020-12-01 15:15:33,205 INFO L258 CegarLoopResult]: At program point L9220(lines 9220 9261) the Hoare annotation is: (<= (+ |ULTIMATE.start_aws_hash_table_init_#res| 1) 0) [2020-12-01 15:15:33,205 INFO L258 CegarLoopResult]: At program point L2630(lines 2626 2631) the Hoare annotation is: false [2020-12-01 15:15:33,205 INFO L258 CegarLoopResult]: At program point L2630-1(lines 2626 2631) the Hoare annotation is: false [2020-12-01 15:15:33,205 INFO L262 CegarLoopResult]: For program point L2498(lines 2498 2499) no Hoare annotation was computed. [2020-12-01 15:15:33,205 INFO L262 CegarLoopResult]: For program point L2498-2(lines 2498 2499) no Hoare annotation was computed. [2020-12-01 15:15:33,206 INFO L262 CegarLoopResult]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2020-12-01 15:15:33,206 INFO L258 CegarLoopResult]: At program point L10130(lines 10119 10131) the Hoare annotation is: (<= (+ |ULTIMATE.start_hash_table_state_required_bytes_#res| 1) 0) [2020-12-01 15:15:33,207 INFO L258 CegarLoopResult]: At program point L9189(lines 9171 9190) the Hoare annotation is: (and (= |ULTIMATE.start_s_alloc_state_#res.base| 0) (= |ULTIMATE.start_s_alloc_state_#res.offset| 0)) [2020-12-01 15:15:33,207 INFO L265 CegarLoopResult]: At program point L10147(line 10147) the Hoare annotation is: true [2020-12-01 15:15:33,208 INFO L262 CegarLoopResult]: For program point L9173(lines 9173 9177) no Hoare annotation was computed. [2020-12-01 15:15:33,208 INFO L258 CegarLoopResult]: At program point L2501-1(lines 2497 2502) the Hoare annotation is: false [2020-12-01 15:15:33,208 INFO L262 CegarLoopResult]: For program point L7010(lines 7010 7014) no Hoare annotation was computed. [2020-12-01 15:15:33,208 INFO L258 CegarLoopResult]: At program point L2501(lines 2497 2502) the Hoare annotation is: false [2020-12-01 15:15:33,208 INFO L262 CegarLoopResult]: For program point L9256(lines 9256 9258) no Hoare annotation was computed. [2020-12-01 15:15:33,208 INFO L258 CegarLoopResult]: At program point L2501-2(lines 2497 2502) the Hoare annotation is: false [2020-12-01 15:15:33,208 INFO L258 CegarLoopResult]: At program point L255(lines 253 256) the Hoare annotation is: false [2020-12-01 15:15:33,208 INFO L258 CegarLoopResult]: At program point L255-1(lines 253 256) the Hoare annotation is: false [2020-12-01 15:15:33,208 INFO L262 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-01 15:15:33,208 INFO L258 CegarLoopResult]: At program point L255-2(lines 253 256) the Hoare annotation is: false [2020-12-01 15:15:33,208 INFO L262 CegarLoopResult]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L258 CegarLoopResult]: At program point L2617(lines 2613 2621) the Hoare annotation is: false [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L10132(lines 10132 10146) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L223-2(line 223) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L208-2(line 208) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L208-3(line 208) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L10019(lines 10019 10023) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L10019-1(lines 10019 10023) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L9210(lines 9210 9212) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L9210-2(lines 9210 9212) no Hoare annotation was computed. [2020-12-01 15:15:33,209 INFO L258 CegarLoopResult]: At program point L9260-2(line 9260) the Hoare annotation is: false [2020-12-01 15:15:33,209 INFO L262 CegarLoopResult]: For program point L9260-3(line 9260) no Hoare annotation was computed. [2020-12-01 15:15:33,210 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:15:33,210 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,210 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,210 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,210 INFO L262 CegarLoopResult]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,210 INFO L262 CegarLoopResult]: For program point L2638(lines 2638 2641) no Hoare annotation was computed. [2020-12-01 15:15:33,210 INFO L262 CegarLoopResult]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,211 INFO L262 CegarLoopResult]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,211 INFO L262 CegarLoopResult]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,211 INFO L262 CegarLoopResult]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L210-9(lines 210 212) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L9196(lines 9196 9198) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L9196-2(lines 9196 9198) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L211-6(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L211-8(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L211-10(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L211-12(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,213 INFO L262 CegarLoopResult]: For program point L211-14(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,214 INFO L258 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: false [2020-12-01 15:15:33,214 INFO L262 CegarLoopResult]: For program point L211-16(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,214 INFO L262 CegarLoopResult]: For program point L211-18(line 211) no Hoare annotation was computed. [2020-12-01 15:15:33,214 INFO L258 CegarLoopResult]: At program point L2590(lines 2586 2594) the Hoare annotation is: false [2020-12-01 15:15:33,214 INFO L258 CegarLoopResult]: At program point L2590-2(lines 2586 2594) the Hoare annotation is: false [2020-12-01 15:15:33,214 INFO L258 CegarLoopResult]: At program point L2590-1(lines 2586 2594) the Hoare annotation is: false [2020-12-01 15:15:33,214 INFO L262 CegarLoopResult]: For program point L10122(lines 10122 10124) no Hoare annotation was computed. [2020-12-01 15:15:33,214 INFO L258 CegarLoopResult]: At program point L6951-1(lines 6950 6952) the Hoare annotation is: false [2020-12-01 15:15:33,214 INFO L258 CegarLoopResult]: At program point L6951(lines 6950 6952) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-01 15:15:33,214 INFO L262 CegarLoopResult]: For program point L7017-2(lines 7017 7019) no Hoare annotation was computed. [2020-12-01 15:15:33,214 INFO L262 CegarLoopResult]: For program point L7017(lines 7017 7019) no Hoare annotation was computed. [2020-12-01 15:15:33,215 INFO L258 CegarLoopResult]: At program point L2657(lines 2637 2658) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_aws_raise_error_#res| 1) 0) (<= 2 (mod ULTIMATE.start_s_update_template_size_~min_size~0 4294967296)) (< 1 ULTIMATE.start_aws_hash_table_init_~map.base) (<= 2 (mod ULTIMATE.start_aws_round_up_to_power_of_two_~n 4294967296)) (< 0 |#StackHeapBarrier|) (<= (+ |ULTIMATE.start_aws_round_up_to_power_of_two_#res| 1) 0)) [2020-12-01 15:15:33,215 INFO L262 CegarLoopResult]: For program point L2542(lines 2542 2543) no Hoare annotation was computed. [2020-12-01 15:15:33,215 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:15:33,215 INFO L262 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-12-01 15:15:33,215 INFO L262 CegarLoopResult]: For program point L9182(lines 9182 9186) no Hoare annotation was computed. [2020-12-01 15:15:33,215 INFO L262 CegarLoopResult]: For program point L10008-3(line 10008) no Hoare annotation was computed. [2020-12-01 15:15:33,215 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2020-12-01 15:15:33,215 INFO L262 CegarLoopResult]: For program point L10008-5(line 10008) no Hoare annotation was computed. [2020-12-01 15:15:33,215 INFO L258 CegarLoopResult]: At program point L10008-6(lines 10006 10009) the Hoare annotation is: false [2020-12-01 15:15:33,216 INFO L262 CegarLoopResult]: For program point L10008(line 10008) no Hoare annotation was computed. [2020-12-01 15:15:33,216 INFO L262 CegarLoopResult]: For program point L2642(lines 2642 2644) no Hoare annotation was computed. [2020-12-01 15:15:33,217 INFO L262 CegarLoopResult]: For program point L10008-2(line 10008) no Hoare annotation was computed. [2020-12-01 15:15:33,217 INFO L262 CegarLoopResult]: For program point L10008-12(line 10008) no Hoare annotation was computed. [2020-12-01 15:15:33,217 INFO L258 CegarLoopResult]: At program point L10008-13(lines 10006 10009) the Hoare annotation is: false [2020-12-01 15:15:33,217 INFO L258 CegarLoopResult]: At program point L1998(lines 1988 1999) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_aws_raise_error_#res| 1) 0) (<= 2 (mod ULTIMATE.start_s_update_template_size_~min_size~0 4294967296)) (< 1 ULTIMATE.start_aws_hash_table_init_~map.base) (<= 2 (mod ULTIMATE.start_aws_round_up_to_power_of_two_~n 4294967296)) (< 0 |#StackHeapBarrier|)) [2020-12-01 15:15:33,218 INFO L258 CegarLoopResult]: At program point L1998-1(lines 1988 1999) the Hoare annotation is: false [2020-12-01 15:15:33,218 INFO L258 CegarLoopResult]: At program point L6986(lines 6984 6987) the Hoare annotation is: false [2020-12-01 15:15:33,218 INFO L262 CegarLoopResult]: For program point L10008-7(line 10008) no Hoare annotation was computed. [2020-12-01 15:15:33,218 INFO L258 CegarLoopResult]: At program point L1998-2(lines 1988 1999) the Hoare annotation is: false [2020-12-01 15:15:33,218 INFO L258 CegarLoopResult]: At program point L1998-3(lines 1988 1999) the Hoare annotation is: false [2020-12-01 15:15:33,218 INFO L262 CegarLoopResult]: For program point L10008-9(line 10008) no Hoare annotation was computed. [2020-12-01 15:15:33,218 INFO L258 CegarLoopResult]: At program point L1998-4(lines 1988 1999) the Hoare annotation is: false [2020-12-01 15:15:33,218 INFO L262 CegarLoopResult]: For program point L10008-10(line 10008) no Hoare annotation was computed. [2020-12-01 15:15:33,218 INFO L258 CegarLoopResult]: At program point L1998-5(lines 1988 1999) the Hoare annotation is: (and (= ULTIMATE.start_aws_mem_calloc_~mem~1.base 0) (= ULTIMATE.start_aws_mem_calloc_~mem~1.offset 0)) [2020-12-01 15:15:33,218 INFO L258 CegarLoopResult]: At program point L7020(lines 7001 7021) the Hoare annotation is: (and (= |ULTIMATE.start_aws_mem_calloc_#res.offset| 0) (= |ULTIMATE.start_aws_mem_calloc_#res.base| 0)) [2020-12-01 15:15:33,218 INFO L258 CegarLoopResult]: At program point L9217(lines 9193 9218) the Hoare annotation is: (and (<= 2 (mod ULTIMATE.start_s_update_template_size_~min_size~0 4294967296)) (< 1 ULTIMATE.start_aws_hash_table_init_~map.base) (<= (+ |ULTIMATE.start_s_update_template_size_#res| 1) 0) (<= 2 (mod ULTIMATE.start_aws_round_up_to_power_of_two_~n 4294967296)) (< 0 |#StackHeapBarrier|)) [2020-12-01 15:15:33,218 INFO L258 CegarLoopResult]: At program point L2545(lines 2541 2546) the Hoare annotation is: false [2020-12-01 15:15:33,218 INFO L262 CegarLoopResult]: For program point L6955(lines 6955 6957) no Hoare annotation was computed. [2020-12-01 15:15:33,219 INFO L262 CegarLoopResult]: For program point L10126(lines 10126 10128) no Hoare annotation was computed. [2020-12-01 15:15:33,219 INFO L262 CegarLoopResult]: For program point L9251(lines 9251 9253) no Hoare annotation was computed. [2020-12-01 15:15:33,219 INFO L258 CegarLoopResult]: At program point L6955-3(lines 6954 6958) the Hoare annotation is: (and (= |ULTIMATE.start_can_fail_calloc_#res.offset| 0) (= |ULTIMATE.start_can_fail_calloc_#res.base| 0)) [2020-12-01 15:15:33,219 INFO L262 CegarLoopResult]: For program point L6955-2(lines 6955 6957) no Hoare annotation was computed. [2020-12-01 15:15:33,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:33,235 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:33,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:33,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:33,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:33,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:33,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:33,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:33,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:15:33 BoogieIcfgContainer [2020-12-01 15:15:33,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:15:33,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:15:33,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:15:33,247 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:15:33,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:09:27" (3/4) ... [2020-12-01 15:15:33,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:15:33,295 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 188 nodes and edges [2020-12-01 15:15:33,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2020-12-01 15:15:33,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2020-12-01 15:15:33,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-01 15:15:33,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 15:15:33,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 15:15:33,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 15:15:33,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:15:33,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result + 1 <= 0 && 2 <= min_size % 4294967296) && 1 < map) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown) && \result + 1 <= 0 [2020-12-01 15:15:33,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= min_size % 4294967296 && 1 < map) && \result + 1 <= 0) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown [2020-12-01 15:15:33,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result + 1 <= 0 && 2 <= min_size % 4294967296) && 1 < map) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown [2020-12-01 15:15:33,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result + 1 <= 0 [2020-12-01 15:15:33,351 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result + 1 <= 0 [2020-12-01 15:15:33,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 && \result == 0 [2020-12-01 15:15:33,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 && \result == 0 [2020-12-01 15:15:33,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 && \result == 0 [2020-12-01 15:15:34,383 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_86e18e0e-1d14-4820-a333-69704c80c0b1/bin/uautomizer/witness.graphml [2020-12-01 15:15:34,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:15:34,385 INFO L168 Benchmark]: Toolchain (without parser) took 381550.58 ms. Allocated memory was 104.9 MB in the beginning and 830.5 MB in the end (delta: 725.6 MB). Free memory was 58.5 MB in the beginning and 541.5 MB in the end (delta: -482.9 MB). Peak memory consumption was 546.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:34,385 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 104.9 MB. Free memory was 85.4 MB in the beginning and 85.3 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:15:34,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4226.70 ms. Allocated memory was 104.9 MB in the beginning and 197.1 MB in the end (delta: 92.3 MB). Free memory was 58.3 MB in the beginning and 90.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 106.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:34,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 253.11 ms. Allocated memory is still 197.1 MB. Free memory was 89.0 MB in the beginning and 76.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:34,387 INFO L168 Benchmark]: Boogie Preprocessor took 141.08 ms. Allocated memory is still 197.1 MB. Free memory was 76.4 MB in the beginning and 68.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:34,387 INFO L168 Benchmark]: RCFGBuilder took 10230.05 ms. Allocated memory was 197.1 MB in the beginning and 432.0 MB in the end (delta: 234.9 MB). Free memory was 68.0 MB in the beginning and 235.2 MB in the end (delta: -167.2 MB). Peak memory consumption was 191.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:34,388 INFO L168 Benchmark]: TraceAbstraction took 365555.90 ms. Allocated memory was 432.0 MB in the beginning and 830.5 MB in the end (delta: 398.5 MB). Free memory was 235.2 MB in the beginning and 348.5 MB in the end (delta: -113.3 MB). Peak memory consumption was 286.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:34,388 INFO L168 Benchmark]: Witness Printer took 1136.62 ms. Allocated memory is still 830.5 MB. Free memory was 348.5 MB in the beginning and 541.5 MB in the end (delta: -192.9 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:34,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 104.9 MB. Free memory was 85.4 MB in the beginning and 85.3 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4226.70 ms. Allocated memory was 104.9 MB in the beginning and 197.1 MB in the end (delta: 92.3 MB). Free memory was 58.3 MB in the beginning and 90.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 106.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 253.11 ms. Allocated memory is still 197.1 MB. Free memory was 89.0 MB in the beginning and 76.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.08 ms. Allocated memory is still 197.1 MB. Free memory was 76.4 MB in the beginning and 68.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10230.05 ms. Allocated memory was 197.1 MB in the beginning and 432.0 MB in the end (delta: 234.9 MB). Free memory was 68.0 MB in the beginning and 235.2 MB in the end (delta: -167.2 MB). Peak memory consumption was 191.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 365555.90 ms. Allocated memory was 432.0 MB in the beginning and 830.5 MB in the end (delta: 398.5 MB). Free memory was 235.2 MB in the beginning and 348.5 MB in the end (delta: -113.3 MB). Peak memory consumption was 286.2 MB. Max. memory is 16.1 GB. * Witness Printer took 1136.62 ms. Allocated memory is still 830.5 MB. Free memory was 348.5 MB in the beginning and 541.5 MB in the end (delta: -192.9 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 208]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 208]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1988]: Loop Invariant [2020-12-01 15:15:34,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:34,400 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((\result + 1 <= 0 && 2 <= min_size % 4294967296) && 1 < map) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9193]: Loop Invariant [2020-12-01 15:15:34,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:34,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((2 <= min_size % 4294967296 && 1 < map) && \result + 1 <= 0) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 10006]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10017]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10017]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10119]: Loop Invariant Derived loop invariant: \result + 1 <= 0 - InvariantResult [Line: 10006]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7001]: Loop Invariant Derived loop invariant: \result == 0 && \result == 0 - InvariantResult [Line: 2613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2637]: Loop Invariant [2020-12-01 15:15:34,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:34,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((\result + 1 <= 0 && 2 <= min_size % 4294967296) && 1 < map) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown) && \result + 1 <= 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9220]: Loop Invariant Derived loop invariant: \result + 1 <= 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9171]: Loop Invariant Derived loop invariant: \result == 0 && \result == 0 - InvariantResult [Line: 6934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: mem == 0 && mem == 0 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6954]: Loop Invariant Derived loop invariant: \result == 0 && \result == 0 - InvariantResult [Line: 6950]: Loop Invariant [2020-12-01 15:15:34,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-01 15:15:34,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 365.1s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1780 SDtfs, 1178 SDslu, 4151 SDs, 0 SdLazy, 368 SolverSat, 27 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 12.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 799 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 269 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 51 NumberOfFragments, 140 HoareAnnotationTreeSize, 38 FomulaSimplifications, 92 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.0s SsaConstructionTime, 338.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 876 ConstructedInterpolants, 0 QuantifiedInterpolants, 84092 SizeOfPredicates, 73 NumberOfNonLiveVariables, 30373 ConjunctsInSsa, 158 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...