./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8 --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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 10:54:24,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:54:24,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:54:24,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:54:24,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:54:24,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:54:24,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:54:24,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:54:24,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:54:24,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:54:24,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:54:24,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:54:24,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:54:24,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:54:24,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:54:24,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:54:24,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:54:24,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:54:24,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:54:24,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:54:24,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:54:24,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:54:24,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:54:24,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:54:24,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:54:24,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:54:24,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:54:24,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:54:24,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:54:24,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:54:24,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:54:24,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:54:24,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:54:24,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:54:24,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:54:24,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:54:24,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:54:24,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:54:24,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:54:24,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:54:24,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:54:24,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 10:54:24,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:54:24,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:54:24,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:54:24,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:54:24,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:54:24,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:54:24,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:54:24,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:54:24,125 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:54:24,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:54:24,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:54:24,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:54:24,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:54:24,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:54:24,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:54:24,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:54:24,127 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:54:24,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:54:24,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:54:24,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:54:24,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:54:24,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:54:24,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:54:24,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:54:24,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:54:24,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:54:24,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 10:54:24,130 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:54:24,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:54:24,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:54:24,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2022-11-16 10:54:24,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:54:24,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:54:24,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:54:24,424 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:54:24,425 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:54:24,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2022-11-16 10:54:24,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/data/1aa2fd4b1/8c560dd32acd4aeeb6d5420e830d75a6/FLAGbb9220c2c [2022-11-16 10:54:25,369 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:54:25,370 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2022-11-16 10:54:25,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/data/1aa2fd4b1/8c560dd32acd4aeeb6d5420e830d75a6/FLAGbb9220c2c [2022-11-16 10:54:25,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/data/1aa2fd4b1/8c560dd32acd4aeeb6d5420e830d75a6 [2022-11-16 10:54:25,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:54:25,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:54:25,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:54:25,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:54:25,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:54:25,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:54:25" (1/1) ... [2022-11-16 10:54:25,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765159cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:25, skipping insertion in model container [2022-11-16 10:54:25,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:54:25" (1/1) ... [2022-11-16 10:54:25,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:54:25,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:54:25,946 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2022-11-16 10:54:25,954 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2022-11-16 10:54:26,965 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:26,966 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:26,967 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:26,967 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:26,969 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:26,983 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:26,984 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:26,987 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:26,988 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:27,394 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 10:54:27,396 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 10:54:27,397 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 10:54:27,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 10:54:27,400 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 10:54:27,401 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 10:54:27,402 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 10:54:27,403 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 10:54:27,404 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 10:54:27,404 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 10:54:27,664 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 10:54:27,814 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:27,818 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:27,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:54:28,019 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:54:28,047 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2022-11-16 10:54:28,048 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2022-11-16 10:54:28,107 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,107 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,108 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,110 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,110 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,120 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,121 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,122 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,123 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,172 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 10:54:28,174 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 10:54:28,175 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 10:54:28,176 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 10:54:28,177 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 10:54:28,177 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 10:54:28,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 10:54:28,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 10:54:28,179 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 10:54:28,179 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 10:54:28,200 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 10:54:28,282 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,283 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 10:54:28,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:54:28,641 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:54:28,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28 WrapperNode [2022-11-16 10:54:28,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:54:28,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:54:28,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:54:28,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:54:28,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,860 INFO L138 Inliner]: procedures = 690, calls = 2740, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2022-11-16 10:54:28,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:54:28,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:54:28,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:54:28,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:54:28,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:54:28,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:54:28,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:54:28,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:54:28,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (1/1) ... [2022-11-16 10:54:28,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:54:28,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:28,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:29,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 10:54:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-16 10:54:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-16 10:54:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 10:54:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-16 10:54:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-16 10:54:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2022-11-16 10:54:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-16 10:54:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-16 10:54:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 10:54:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 10:54:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 10:54:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 10:54:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 10:54:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-16 10:54:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-16 10:54:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 10:54:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 10:54:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 10:54:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:54:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 10:54:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:54:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:54:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-16 10:54:29,064 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-16 10:54:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 10:54:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 10:54:29,065 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-16 10:54:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-16 10:54:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 10:54:29,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 10:54:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-16 10:54:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-16 10:54:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 10:54:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-16 10:54:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-16 10:54:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 10:54:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 10:54:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2022-11-16 10:54:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2022-11-16 10:54:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-16 10:54:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-16 10:54:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-16 10:54:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-16 10:54:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-16 10:54:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-16 10:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 10:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2022-11-16 10:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2022-11-16 10:54:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2022-11-16 10:54:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:54:29,406 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:54:29,408 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:54:29,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2022-11-16 10:54:30,902 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:54:30,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:54:30,927 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 10:54:30,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:54:30 BoogieIcfgContainer [2022-11-16 10:54:30,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:54:30,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 10:54:30,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 10:54:30,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 10:54:30,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:54:25" (1/3) ... [2022-11-16 10:54:30,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15635348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:54:30, skipping insertion in model container [2022-11-16 10:54:30,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:54:28" (2/3) ... [2022-11-16 10:54:30,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15635348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:54:30, skipping insertion in model container [2022-11-16 10:54:30,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:54:30" (3/3) ... [2022-11-16 10:54:30,938 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2022-11-16 10:54:30,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 10:54:30,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 10:54:31,009 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 10:54:31,019 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@53997704, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 10:54:31,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 10:54:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-11-16 10:54:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-16 10:54:31,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:54:31,044 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:54:31,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:54:31,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:54:31,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1670706302, now seen corresponding path program 1 times [2022-11-16 10:54:31,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:54:31,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806212479] [2022-11-16 10:54:31,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:54:31,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:54:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:54:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:54:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:54:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 10:54:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 10:54:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:54:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 10:54:31,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:54:31,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806212479] [2022-11-16 10:54:31,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806212479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:54:31,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:54:31,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:54:31,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902343213] [2022-11-16 10:54:31,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:54:31,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 10:54:31,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:54:31,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:54:31,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:54:31,993 INFO L87 Difference]: Start difference. First operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 10:54:32,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:54:32,746 INFO L93 Difference]: Finished difference Result 317 states and 419 transitions. [2022-11-16 10:54:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 10:54:32,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2022-11-16 10:54:32,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:54:32,763 INFO L225 Difference]: With dead ends: 317 [2022-11-16 10:54:32,763 INFO L226 Difference]: Without dead ends: 164 [2022-11-16 10:54:32,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:54:32,779 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 63 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 10:54:32,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 212 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 10:54:32,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-16 10:54:32,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 147. [2022-11-16 10:54:32,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.164835164835165) internal successors, (106), 92 states have internal predecessors, (106), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-16 10:54:32,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 183 transitions. [2022-11-16 10:54:32,854 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 183 transitions. Word has length 80 [2022-11-16 10:54:32,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:54:32,854 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 183 transitions. [2022-11-16 10:54:32,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 10:54:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 183 transitions. [2022-11-16 10:54:32,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-16 10:54:32,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:54:32,863 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:54:32,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 10:54:32,863 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:54:32,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:54:32,864 INFO L85 PathProgramCache]: Analyzing trace with hash 2065694084, now seen corresponding path program 1 times [2022-11-16 10:54:32,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:54:32,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581679277] [2022-11-16 10:54:32,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:54:32,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:54:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:54:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:54:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:54:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 10:54:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 10:54:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:54:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:34,479 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 10:54:34,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:54:34,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581679277] [2022-11-16 10:54:34,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581679277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:54:34,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:54:34,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 10:54:34,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047816660] [2022-11-16 10:54:34,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:54:34,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 10:54:34,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:54:34,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 10:54:34,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 10:54:34,482 INFO L87 Difference]: Start difference. First operand 147 states and 183 transitions. Second operand has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 10:54:35,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:54:35,970 INFO L93 Difference]: Finished difference Result 240 states and 305 transitions. [2022-11-16 10:54:35,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 10:54:35,971 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2022-11-16 10:54:35,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:54:35,974 INFO L225 Difference]: With dead ends: 240 [2022-11-16 10:54:35,974 INFO L226 Difference]: Without dead ends: 193 [2022-11-16 10:54:35,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-16 10:54:35,975 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 81 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 10:54:35,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 751 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 10:54:35,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-16 10:54:35,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 152. [2022-11-16 10:54:35,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 95 states have (on average 1.1578947368421053) internal successors, (110), 96 states have internal predecessors, (110), 39 states have call successors, (39), 16 states have call predecessors, (39), 17 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2022-11-16 10:54:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 188 transitions. [2022-11-16 10:54:35,996 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 188 transitions. Word has length 80 [2022-11-16 10:54:35,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:54:35,997 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 188 transitions. [2022-11-16 10:54:35,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 10:54:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2022-11-16 10:54:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-16 10:54:35,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:54:35,999 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:54:35,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 10:54:36,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:54:36,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:54:36,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1742615278, now seen corresponding path program 1 times [2022-11-16 10:54:36,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:54:36,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972038516] [2022-11-16 10:54:36,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:54:36,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:54:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:54:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:54:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:54:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 10:54:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 10:54:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:54:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 10:54:37,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:54:37,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972038516] [2022-11-16 10:54:37,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972038516] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:54:37,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204857121] [2022-11-16 10:54:37,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:54:37,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:54:37,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:37,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:54:37,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 10:54:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:37,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 2636 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-16 10:54:37,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:54:38,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-11-16 10:54:38,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-16 10:54:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 10:54:38,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:54:38,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204857121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:54:38,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 10:54:38,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 13 [2022-11-16 10:54:38,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882989678] [2022-11-16 10:54:38,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:54:38,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 10:54:38,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:54:38,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 10:54:38,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-16 10:54:38,279 INFO L87 Difference]: Start difference. First operand 152 states and 188 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-16 10:54:38,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:54:38,571 INFO L93 Difference]: Finished difference Result 224 states and 286 transitions. [2022-11-16 10:54:38,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 10:54:38,572 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 86 [2022-11-16 10:54:38,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:54:38,574 INFO L225 Difference]: With dead ends: 224 [2022-11-16 10:54:38,574 INFO L226 Difference]: Without dead ends: 182 [2022-11-16 10:54:38,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-16 10:54:38,576 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 18 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 10:54:38,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1131 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 10:54:38,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-16 10:54:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 160. [2022-11-16 10:54:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 99 states have (on average 1.1515151515151516) internal successors, (114), 102 states have internal predecessors, (114), 42 states have call successors, (42), 16 states have call predecessors, (42), 18 states have return successors, (43), 41 states have call predecessors, (43), 41 states have call successors, (43) [2022-11-16 10:54:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 199 transitions. [2022-11-16 10:54:38,618 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 199 transitions. Word has length 86 [2022-11-16 10:54:38,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:54:38,618 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 199 transitions. [2022-11-16 10:54:38,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-16 10:54:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2022-11-16 10:54:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-16 10:54:38,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:54:38,628 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:54:38,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:38,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:54:38,839 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:54:38,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:54:38,839 INFO L85 PathProgramCache]: Analyzing trace with hash -305918410, now seen corresponding path program 1 times [2022-11-16 10:54:38,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:54:38,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746055366] [2022-11-16 10:54:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:54:38,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:54:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:54:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:54:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:54:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 10:54:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 10:54:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:54:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:54:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:39,979 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 10:54:39,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:54:39,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746055366] [2022-11-16 10:54:39,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746055366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:54:39,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:54:39,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 10:54:39,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531968962] [2022-11-16 10:54:39,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:54:39,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 10:54:39,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:54:39,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 10:54:39,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-16 10:54:39,985 INFO L87 Difference]: Start difference. First operand 160 states and 199 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-16 10:54:41,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:54:41,361 INFO L93 Difference]: Finished difference Result 256 states and 325 transitions. [2022-11-16 10:54:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 10:54:41,362 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2022-11-16 10:54:41,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:54:41,364 INFO L225 Difference]: With dead ends: 256 [2022-11-16 10:54:41,364 INFO L226 Difference]: Without dead ends: 216 [2022-11-16 10:54:41,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-16 10:54:41,365 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 101 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 10:54:41,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 652 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 10:54:41,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-16 10:54:41,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 170. [2022-11-16 10:54:41,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.1415094339622642) internal successors, (121), 109 states have internal predecessors, (121), 42 states have call successors, (42), 16 states have call predecessors, (42), 21 states have return successors, (48), 44 states have call predecessors, (48), 41 states have call successors, (48) [2022-11-16 10:54:41,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 211 transitions. [2022-11-16 10:54:41,385 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 211 transitions. Word has length 95 [2022-11-16 10:54:41,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:54:41,386 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 211 transitions. [2022-11-16 10:54:41,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-16 10:54:41,386 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 211 transitions. [2022-11-16 10:54:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-16 10:54:41,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:54:41,388 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:54:41,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 10:54:41,388 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:54:41,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:54:41,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1176778786, now seen corresponding path program 1 times [2022-11-16 10:54:41,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:54:41,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203520490] [2022-11-16 10:54:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:54:41,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:54:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:54:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:54:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:54:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 10:54:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 10:54:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 10:54:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:54:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 10:54:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 10:54:42,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:54:42,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203520490] [2022-11-16 10:54:42,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203520490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:54:42,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:54:42,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 10:54:42,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319622367] [2022-11-16 10:54:42,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:54:42,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 10:54:42,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:54:42,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 10:54:42,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-16 10:54:42,365 INFO L87 Difference]: Start difference. First operand 170 states and 211 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-11-16 10:54:43,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:54:43,992 INFO L93 Difference]: Finished difference Result 282 states and 362 transitions. [2022-11-16 10:54:43,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 10:54:43,992 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 99 [2022-11-16 10:54:43,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:54:43,995 INFO L225 Difference]: With dead ends: 282 [2022-11-16 10:54:43,995 INFO L226 Difference]: Without dead ends: 226 [2022-11-16 10:54:43,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-11-16 10:54:43,996 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 328 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 10:54:43,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 638 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 10:54:43,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-11-16 10:54:44,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 162. [2022-11-16 10:54:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 101 states have (on average 1.1485148514851484) internal successors, (116), 103 states have internal predecessors, (116), 41 states have call successors, (41), 16 states have call predecessors, (41), 19 states have return successors, (42), 42 states have call predecessors, (42), 39 states have call successors, (42) [2022-11-16 10:54:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 199 transitions. [2022-11-16 10:54:44,016 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 199 transitions. Word has length 99 [2022-11-16 10:54:44,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:54:44,016 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 199 transitions. [2022-11-16 10:54:44,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 8 states have internal predecessors, (56), 5 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-11-16 10:54:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 199 transitions. [2022-11-16 10:54:44,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 10:54:44,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:54:44,018 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:54:44,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 10:54:44,019 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:54:44,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:54:44,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1965360267, now seen corresponding path program 1 times [2022-11-16 10:54:44,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:54:44,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429028326] [2022-11-16 10:54:44,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:54:44,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:54:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:54:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:54:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:46,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:54:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 10:54:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:54:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 10:54:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:54:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:54:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:54:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:54:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 10:54:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,118 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-16 10:54:47,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:54:47,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429028326] [2022-11-16 10:54:47,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429028326] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:54:47,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663596081] [2022-11-16 10:54:47,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:54:47,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:54:47,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:47,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:54:47,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 10:54:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:47,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 2690 conjuncts, 104 conjunts are in the unsatisfiable core [2022-11-16 10:54:47,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:54:47,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 10:54:51,357 INFO L321 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2022-11-16 10:54:51,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 187 treesize of output 171 [2022-11-16 10:54:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-16 10:54:51,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 10:54:58,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663596081] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:54:58,518 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 10:54:58,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 30] total 42 [2022-11-16 10:54:58,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158343669] [2022-11-16 10:54:58,518 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 10:54:58,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-16 10:54:58,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:54:58,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-16 10:54:58,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2401, Unknown=3, NotChecked=0, Total=2550 [2022-11-16 10:54:58,522 INFO L87 Difference]: Start difference. First operand 162 states and 199 transitions. Second operand has 42 states, 38 states have (on average 2.8157894736842106) internal successors, (107), 32 states have internal predecessors, (107), 13 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (29), 14 states have call predecessors, (29), 12 states have call successors, (29) [2022-11-16 10:55:07,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:07,747 INFO L93 Difference]: Finished difference Result 392 states and 503 transitions. [2022-11-16 10:55:07,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-16 10:55:07,748 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 38 states have (on average 2.8157894736842106) internal successors, (107), 32 states have internal predecessors, (107), 13 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (29), 14 states have call predecessors, (29), 12 states have call successors, (29) Word has length 103 [2022-11-16 10:55:07,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:07,750 INFO L225 Difference]: With dead ends: 392 [2022-11-16 10:55:07,750 INFO L226 Difference]: Without dead ends: 241 [2022-11-16 10:55:07,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=677, Invalid=7506, Unknown=7, NotChecked=0, Total=8190 [2022-11-16 10:55:07,758 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 540 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 4296 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 5290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 4296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 531 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:07,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 2221 Invalid, 5290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [463 Valid, 4296 Invalid, 0 Unknown, 531 Unchecked, 5.4s Time] [2022-11-16 10:55:07,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-11-16 10:55:07,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 191. [2022-11-16 10:55:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 122 states have (on average 1.139344262295082) internal successors, (139), 126 states have internal predecessors, (139), 46 states have call successors, (46), 17 states have call predecessors, (46), 22 states have return successors, (58), 47 states have call predecessors, (58), 44 states have call successors, (58) [2022-11-16 10:55:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 243 transitions. [2022-11-16 10:55:07,801 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 243 transitions. Word has length 103 [2022-11-16 10:55:07,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:07,802 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 243 transitions. [2022-11-16 10:55:07,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 38 states have (on average 2.8157894736842106) internal successors, (107), 32 states have internal predecessors, (107), 13 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (29), 14 states have call predecessors, (29), 12 states have call successors, (29) [2022-11-16 10:55:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 243 transitions. [2022-11-16 10:55:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-16 10:55:07,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:07,805 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:07,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:08,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-16 10:55:08,015 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:08,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash 848771971, now seen corresponding path program 1 times [2022-11-16 10:55:08,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:08,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723276408] [2022-11-16 10:55:08,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:08,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:55:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:55:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:55:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 10:55:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 10:55:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 10:55:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:55:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:55:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:55:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:55:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:09,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 10:55:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-16 10:55:09,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:09,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723276408] [2022-11-16 10:55:09,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723276408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:09,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:55:09,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-16 10:55:09,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308370812] [2022-11-16 10:55:09,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:09,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 10:55:09,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:09,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 10:55:09,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2022-11-16 10:55:09,134 INFO L87 Difference]: Start difference. First operand 191 states and 243 transitions. Second operand has 16 states, 16 states have (on average 3.9375) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-16 10:55:11,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:11,344 INFO L93 Difference]: Finished difference Result 241 states and 315 transitions. [2022-11-16 10:55:11,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 10:55:11,345 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) Word has length 108 [2022-11-16 10:55:11,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:11,347 INFO L225 Difference]: With dead ends: 241 [2022-11-16 10:55:11,347 INFO L226 Difference]: Without dead ends: 232 [2022-11-16 10:55:11,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2022-11-16 10:55:11,348 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 212 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:11,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 935 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-16 10:55:11,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-11-16 10:55:11,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 194. [2022-11-16 10:55:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 129 states have internal predecessors, (141), 46 states have call successors, (46), 17 states have call predecessors, (46), 23 states have return successors, (61), 47 states have call predecessors, (61), 44 states have call successors, (61) [2022-11-16 10:55:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 248 transitions. [2022-11-16 10:55:11,383 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 248 transitions. Word has length 108 [2022-11-16 10:55:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:11,385 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 248 transitions. [2022-11-16 10:55:11,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 12 states have internal predecessors, (63), 4 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-16 10:55:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 248 transitions. [2022-11-16 10:55:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-16 10:55:11,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:11,391 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:11,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 10:55:11,392 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:11,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:11,392 INFO L85 PathProgramCache]: Analyzing trace with hash -675274041, now seen corresponding path program 2 times [2022-11-16 10:55:11,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:11,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699433337] [2022-11-16 10:55:11,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:11,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:55:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:55:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:55:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 10:55:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 10:55:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 10:55:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:55:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:55:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:55:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:55:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 10:55:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-16 10:55:12,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:12,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699433337] [2022-11-16 10:55:12,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699433337] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:55:12,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727096538] [2022-11-16 10:55:12,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 10:55:12,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:55:12,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:12,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:55:12,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 10:55:13,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 10:55:13,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 10:55:13,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 2696 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 10:55:13,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 10:55:13,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:55:13,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727096538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:55:13,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 10:55:13,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [19] total 32 [2022-11-16 10:55:13,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124871261] [2022-11-16 10:55:13,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:55:13,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 10:55:13,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:13,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 10:55:13,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=923, Unknown=0, NotChecked=0, Total=992 [2022-11-16 10:55:13,927 INFO L87 Difference]: Start difference. First operand 194 states and 248 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-16 10:55:14,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:14,407 INFO L93 Difference]: Finished difference Result 267 states and 345 transitions. [2022-11-16 10:55:14,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 10:55:14,408 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 6 states have call successors, (16) Word has length 108 [2022-11-16 10:55:14,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:14,409 INFO L225 Difference]: With dead ends: 267 [2022-11-16 10:55:14,409 INFO L226 Difference]: Without dead ends: 196 [2022-11-16 10:55:14,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=1441, Unknown=0, NotChecked=0, Total=1560 [2022-11-16 10:55:14,411 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 118 mSDsluCounter, 1863 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 2037 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:14,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 2037 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 10:55:14,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-11-16 10:55:14,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 183. [2022-11-16 10:55:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 117 states have (on average 1.1452991452991452) internal successors, (134), 121 states have internal predecessors, (134), 43 states have call successors, (43), 16 states have call predecessors, (43), 22 states have return successors, (50), 45 states have call predecessors, (50), 41 states have call successors, (50) [2022-11-16 10:55:14,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 227 transitions. [2022-11-16 10:55:14,440 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 227 transitions. Word has length 108 [2022-11-16 10:55:14,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:14,441 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 227 transitions. [2022-11-16 10:55:14,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-16 10:55:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 227 transitions. [2022-11-16 10:55:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-16 10:55:14,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:55:14,443 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:14,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 10:55:14,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:55:14,653 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:55:14,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:55:14,653 INFO L85 PathProgramCache]: Analyzing trace with hash -815637308, now seen corresponding path program 1 times [2022-11-16 10:55:14,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:55:14,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048677618] [2022-11-16 10:55:14,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:14,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:55:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 10:55:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:55:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:55:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 10:55:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 10:55:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:55:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 10:55:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:55:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:55:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:55:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:55:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 10:55:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-16 10:55:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-16 10:55:16,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:55:16,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048677618] [2022-11-16 10:55:16,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048677618] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:55:16,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079578437] [2022-11-16 10:55:16,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:55:16,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:55:16,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:55:16,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:55:16,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 10:55:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:55:17,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 2701 conjuncts, 135 conjunts are in the unsatisfiable core [2022-11-16 10:55:17,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:55:17,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 10:55:20,941 INFO L321 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2022-11-16 10:55:20,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 179 treesize of output 163 [2022-11-16 10:55:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 10:55:21,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 10:55:32,156 WARN L233 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 66 DAG size of output: 60 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 10:55:32,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079578437] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:55:32,698 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 10:55:32,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 36] total 46 [2022-11-16 10:55:32,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080332691] [2022-11-16 10:55:32,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 10:55:32,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-16 10:55:32,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:55:32,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-16 10:55:32,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2918, Unknown=3, NotChecked=0, Total=3080 [2022-11-16 10:55:32,701 INFO L87 Difference]: Start difference. First operand 183 states and 227 transitions. Second operand has 46 states, 39 states have (on average 3.1025641025641026) internal successors, (121), 34 states have internal predecessors, (121), 17 states have call successors, (34), 9 states have call predecessors, (34), 12 states have return successors, (32), 16 states have call predecessors, (32), 16 states have call successors, (32) [2022-11-16 10:55:33,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:55:33,744 INFO L93 Difference]: Finished difference Result 195 states and 237 transitions. [2022-11-16 10:55:33,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 10:55:33,745 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 39 states have (on average 3.1025641025641026) internal successors, (121), 34 states have internal predecessors, (121), 17 states have call successors, (34), 9 states have call predecessors, (34), 12 states have return successors, (32), 16 states have call predecessors, (32), 16 states have call successors, (32) Word has length 108 [2022-11-16 10:55:33,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:55:33,745 INFO L225 Difference]: With dead ends: 195 [2022-11-16 10:55:33,745 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 10:55:33,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=235, Invalid=3922, Unknown=3, NotChecked=0, Total=4160 [2022-11-16 10:55:33,748 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 32 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 48 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 10:55:33,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 102 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 513 Invalid, 0 Unknown, 48 Unchecked, 0.5s Time] [2022-11-16 10:55:33,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 10:55:33,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 10:55:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:55:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 10:55:33,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-11-16 10:55:33,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:55:33,750 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:55:33,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 39 states have (on average 3.1025641025641026) internal successors, (121), 34 states have internal predecessors, (121), 17 states have call successors, (34), 9 states have call predecessors, (34), 12 states have return successors, (32), 16 states have call predecessors, (32), 16 states have call successors, (32) [2022-11-16 10:55:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 10:55:33,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 10:55:33,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 10:55:33,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 10:55:33,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:55:33,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 10:55:34,214 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (or (not (= 195 |~#s_can_fail_allocator_static~0.base|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= |~#s_can_fail_allocator_static~0.offset| 0))) [2022-11-16 10:55:34,215 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-11-16 10:55:34,215 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-11-16 10:55:34,215 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-11-16 10:55:34,215 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (or (not (= 195 |~#s_can_fail_allocator_static~0.base|)) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= |~#s_can_fail_allocator_static~0.offset| 0))) [2022-11-16 10:55:34,215 INFO L902 garLoopResultBuilder]: At program point aws_mem_acquireENTRY(lines 6928 6938) the Hoare annotation is: true [2022-11-16 10:55:34,215 INFO L899 garLoopResultBuilder]: For program point L6934(lines 6934 6936) no Hoare annotation was computed. [2022-11-16 10:55:34,215 INFO L899 garLoopResultBuilder]: For program point L6935-1(line 6935) no Hoare annotation was computed. [2022-11-16 10:55:34,215 INFO L902 garLoopResultBuilder]: At program point L6935(line 6935) the Hoare annotation is: true [2022-11-16 10:55:34,215 INFO L899 garLoopResultBuilder]: For program point aws_mem_acquireEXIT(lines 6928 6938) no Hoare annotation was computed. [2022-11-16 10:55:34,215 INFO L902 garLoopResultBuilder]: At program point L6931-1(line 6931) the Hoare annotation is: true [2022-11-16 10:55:34,215 INFO L902 garLoopResultBuilder]: At program point L6931(line 6931) the Hoare annotation is: true [2022-11-16 10:55:34,216 INFO L899 garLoopResultBuilder]: For program point L6934-2(lines 6934 6936) no Hoare annotation was computed. [2022-11-16 10:55:34,216 INFO L899 garLoopResultBuilder]: For program point L6933(line 6933) no Hoare annotation was computed. [2022-11-16 10:55:34,216 INFO L899 garLoopResultBuilder]: For program point L6929-2(line 6929) no Hoare annotation was computed. [2022-11-16 10:55:34,216 INFO L902 garLoopResultBuilder]: At program point L6929-1(line 6929) the Hoare annotation is: true [2022-11-16 10:55:34,216 INFO L902 garLoopResultBuilder]: At program point L6929(line 6929) the Hoare annotation is: true [2022-11-16 10:55:34,216 INFO L899 garLoopResultBuilder]: For program point aws_mem_acquireFINAL(lines 6928 6938) no Hoare annotation was computed. [2022-11-16 10:55:34,216 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-16 10:55:34,216 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-16 10:55:34,216 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-16 10:55:34,216 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2022-11-16 10:55:34,216 INFO L899 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2022-11-16 10:55:34,216 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2022-11-16 10:55:34,216 INFO L899 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2022-11-16 10:55:34,217 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2022-11-16 10:55:34,217 INFO L899 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2022-11-16 10:55:34,217 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2022-11-16 10:55:34,217 INFO L899 garLoopResultBuilder]: For program point aws_allocator_is_validFINAL(lines 6923 6926) no Hoare annotation was computed. [2022-11-16 10:55:34,217 INFO L899 garLoopResultBuilder]: For program point L6925-1(line 6925) no Hoare annotation was computed. [2022-11-16 10:55:34,217 INFO L902 garLoopResultBuilder]: At program point L6925(line 6925) the Hoare annotation is: true [2022-11-16 10:55:34,217 INFO L902 garLoopResultBuilder]: At program point aws_allocator_is_validENTRY(lines 6923 6926) the Hoare annotation is: true [2022-11-16 10:55:34,217 INFO L899 garLoopResultBuilder]: For program point aws_allocator_is_validEXIT(lines 6923 6926) no Hoare annotation was computed. [2022-11-16 10:55:34,217 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-16 10:55:34,217 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-16 10:55:34,218 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-16 10:55:34,218 INFO L902 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: true [2022-11-16 10:55:34,218 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2022-11-16 10:55:34,218 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2022-11-16 10:55:34,218 INFO L899 garLoopResultBuilder]: For program point L8989(line 8989) no Hoare annotation was computed. [2022-11-16 10:55:34,218 INFO L899 garLoopResultBuilder]: For program point L8990-1(line 8990) no Hoare annotation was computed. [2022-11-16 10:55:34,218 INFO L902 garLoopResultBuilder]: At program point L8989-1(line 8989) the Hoare annotation is: true [2022-11-16 10:55:34,218 INFO L899 garLoopResultBuilder]: For program point L8989-2(line 8989) no Hoare annotation was computed. [2022-11-16 10:55:34,219 INFO L902 garLoopResultBuilder]: At program point aws_string_new_from_stringENTRY(lines 8988 8991) the Hoare annotation is: true [2022-11-16 10:55:34,219 INFO L902 garLoopResultBuilder]: At program point L8990(line 8990) the Hoare annotation is: true [2022-11-16 10:55:34,223 INFO L902 garLoopResultBuilder]: At program point L8989-4(line 8989) the Hoare annotation is: true [2022-11-16 10:55:34,223 INFO L899 garLoopResultBuilder]: For program point L8989-5(line 8989) no Hoare annotation was computed. [2022-11-16 10:55:34,223 INFO L899 garLoopResultBuilder]: For program point aws_string_new_from_stringEXIT(lines 8988 8991) no Hoare annotation was computed. [2022-11-16 10:55:34,224 INFO L899 garLoopResultBuilder]: For program point aws_string_new_from_stringFINAL(lines 8988 8991) no Hoare annotation was computed. [2022-11-16 10:55:34,224 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: true [2022-11-16 10:55:34,224 INFO L899 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2022-11-16 10:55:34,224 INFO L902 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: true [2022-11-16 10:55:34,224 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2022-11-16 10:55:34,224 INFO L899 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2022-11-16 10:55:34,225 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2022-11-16 10:55:34,225 INFO L902 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: true [2022-11-16 10:55:34,225 INFO L899 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2022-11-16 10:55:34,226 INFO L902 garLoopResultBuilder]: At program point aws_string_new_from_arrayENTRY(lines 8964 8986) the Hoare annotation is: true [2022-11-16 10:55:34,226 INFO L899 garLoopResultBuilder]: For program point L8985-4(line 8985) no Hoare annotation was computed. [2022-11-16 10:55:34,226 INFO L902 garLoopResultBuilder]: At program point L8985-1(line 8985) the Hoare annotation is: true [2022-11-16 10:55:34,226 INFO L902 garLoopResultBuilder]: At program point L8983(line 8983) the Hoare annotation is: true [2022-11-16 10:55:34,226 INFO L899 garLoopResultBuilder]: For program point L8985-2(line 8985) no Hoare annotation was computed. [2022-11-16 10:55:34,227 INFO L899 garLoopResultBuilder]: For program point L8983-1(line 8983) no Hoare annotation was computed. [2022-11-16 10:55:34,227 INFO L902 garLoopResultBuilder]: At program point L8985-3(line 8985) the Hoare annotation is: true [2022-11-16 10:55:34,227 INFO L902 garLoopResultBuilder]: At program point L8973(line 8973) the Hoare annotation is: true [2022-11-16 10:55:34,227 INFO L899 garLoopResultBuilder]: For program point L8973-1(line 8973) no Hoare annotation was computed. [2022-11-16 10:55:34,227 INFO L902 garLoopResultBuilder]: At program point L8965(line 8965) the Hoare annotation is: true [2022-11-16 10:55:34,228 INFO L899 garLoopResultBuilder]: For program point aws_string_new_from_arrayFINAL(lines 8964 8986) no Hoare annotation was computed. [2022-11-16 10:55:34,228 INFO L902 garLoopResultBuilder]: At program point L8965-1(line 8965) the Hoare annotation is: true [2022-11-16 10:55:34,228 INFO L899 garLoopResultBuilder]: For program point aws_string_new_from_arrayEXIT(lines 8964 8986) no Hoare annotation was computed. [2022-11-16 10:55:34,228 INFO L899 garLoopResultBuilder]: For program point L8974(lines 8974 8978) no Hoare annotation was computed. [2022-11-16 10:55:34,228 INFO L902 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: true [2022-11-16 10:55:34,228 INFO L899 garLoopResultBuilder]: For program point L8968-1(line 8968) no Hoare annotation was computed. [2022-11-16 10:55:34,230 INFO L899 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2022-11-16 10:55:34,230 INFO L899 garLoopResultBuilder]: For program point L8968-2(lines 8968 8972) no Hoare annotation was computed. [2022-11-16 10:55:34,230 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-16 10:55:34,230 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-16 10:55:34,230 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2022-11-16 10:55:34,230 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2022-11-16 10:55:34,230 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2022-11-16 10:55:34,230 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-16 10:55:34,231 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-16 10:55:34,231 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-16 10:55:34,231 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-16 10:55:34,231 INFO L902 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: true [2022-11-16 10:55:34,231 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-11-16 10:55:34,231 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-11-16 10:55:34,231 INFO L899 garLoopResultBuilder]: For program point L7317(lines 7317 7319) no Hoare annotation was computed. [2022-11-16 10:55:34,231 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2022-11-16 10:55:34,231 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2022-11-16 10:55:34,231 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2022-11-16 10:55:34,231 INFO L902 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: true [2022-11-16 10:55:34,231 INFO L902 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: true [2022-11-16 10:55:34,232 INFO L902 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: true [2022-11-16 10:55:34,232 INFO L899 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2022-11-16 10:55:34,232 INFO L902 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: true [2022-11-16 10:55:34,232 INFO L899 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2022-11-16 10:55:34,232 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2022-11-16 10:55:34,232 INFO L899 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2022-11-16 10:55:34,232 INFO L895 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2022-11-16 10:55:34,232 INFO L899 garLoopResultBuilder]: For program point L9338(lines 9338 9344) no Hoare annotation was computed. [2022-11-16 10:55:34,232 INFO L899 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2022-11-16 10:55:34,232 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: false [2022-11-16 10:55:34,232 INFO L899 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2022-11-16 10:55:34,232 INFO L895 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) (<= 18446744073709551616 (+ (* (div (+ (- |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|) 18446744073710786164) 18446744073709551616) 18446744073709551616) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|)) (= 195 |~#s_can_fail_allocator_static~0.base|) (= |~#s_can_fail_allocator_static~0.offset| 0) (<= 18446744073709551616 (+ (* (div (+ (- |ULTIMATE.start_ensure_string_is_allocated_~len#1|) 18446744073710786164) 18446744073709551616) 18446744073709551616) |ULTIMATE.start_ensure_string_is_allocated_~len#1|))) [2022-11-16 10:55:34,233 INFO L895 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2022-11-16 10:55:34,233 INFO L895 garLoopResultBuilder]: At program point L9338-2(lines 9338 9344) the Hoare annotation is: (and (not (= |ULTIMATE.start_ensure_string_is_allocated_#res#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) (<= 18446744073709551616 (+ (* (div (+ (- |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|) 18446744073710786164) 18446744073709551616) 18446744073709551616) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res#1.offset| 0) (= 195 |~#s_can_fail_allocator_static~0.base|) (not (= |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_#res#1.offset| 0) (let ((.cse0 (select |#memory_int| |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.base|))) (let ((.cse1 (mod (select .cse0 (+ |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.offset| 8)) 18446744073709551616))) (let ((.cse2 (<= .cse1 9223372036854775807))) (or (and (= (mod (select .cse0 (+ |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.offset| 16 .cse1)) 256) 0) .cse2) (and (not .cse2) (= (mod (select .cse0 (+ |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.offset| .cse1 (- 18446744073709551600))) 256) 0)))))) (not (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.offset| 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res#1.base| 0)) (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res#1.offset| 0) (not (= |ULTIMATE.start_ensure_string_is_allocated_~len#1| (+ (* (div |ULTIMATE.start_ensure_string_is_allocated_~len#1| 18446744073709551616) 18446744073709551616) 18446744073709551600))) (= |ULTIMATE.start_aws_string_new_from_string_harness_~source~0#1.offset| 0)) [2022-11-16 10:55:34,233 INFO L895 garLoopResultBuilder]: At program point L6795(lines 6793 6798) the Hoare annotation is: false [2022-11-16 10:55:34,233 INFO L902 garLoopResultBuilder]: At program point L9347(line 9347) the Hoare annotation is: true [2022-11-16 10:55:34,233 INFO L899 garLoopResultBuilder]: For program point L9343-2(line 9343) no Hoare annotation was computed. [2022-11-16 10:55:34,234 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 10:55:34,234 INFO L895 garLoopResultBuilder]: At program point L9339(line 9339) the Hoare annotation is: false [2022-11-16 10:55:34,234 INFO L899 garLoopResultBuilder]: For program point L9339-1(line 9339) no Hoare annotation was computed. [2022-11-16 10:55:34,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 10:55:34,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 10:55:34,234 INFO L895 garLoopResultBuilder]: At program point L9343(line 9343) the Hoare annotation is: false [2022-11-16 10:55:34,234 INFO L895 garLoopResultBuilder]: At program point L9343-1(line 9343) the Hoare annotation is: false [2022-11-16 10:55:34,235 INFO L895 garLoopResultBuilder]: At program point L9335(line 9335) the Hoare annotation is: false [2022-11-16 10:55:34,235 INFO L899 garLoopResultBuilder]: For program point L9335-1(line 9335) no Hoare annotation was computed. [2022-11-16 10:55:34,235 INFO L895 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: false [2022-11-16 10:55:34,235 INFO L895 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: false [2022-11-16 10:55:34,235 INFO L899 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2022-11-16 10:55:34,235 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 10:55:34,235 INFO L895 garLoopResultBuilder]: At program point L9340(line 9340) the Hoare annotation is: false [2022-11-16 10:55:34,235 INFO L899 garLoopResultBuilder]: For program point L9340-1(line 9340) no Hoare annotation was computed. [2022-11-16 10:55:34,236 INFO L899 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2022-11-16 10:55:34,236 INFO L899 garLoopResultBuilder]: For program point L9332(line 9332) no Hoare annotation was computed. [2022-11-16 10:55:34,236 INFO L895 garLoopResultBuilder]: At program point L9332-2(line 9332) the Hoare annotation is: false [2022-11-16 10:55:34,236 INFO L899 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2022-11-16 10:55:34,236 INFO L895 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) (= 195 |~#s_can_fail_allocator_static~0.base|) (= |~#s_can_fail_allocator_static~0.offset| 0)) [2022-11-16 10:55:34,236 INFO L899 garLoopResultBuilder]: For program point L9332-3(line 9332) no Hoare annotation was computed. [2022-11-16 10:55:34,236 INFO L899 garLoopResultBuilder]: For program point L9332-4(line 9332) no Hoare annotation was computed. [2022-11-16 10:55:34,236 INFO L899 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2022-11-16 10:55:34,236 INFO L895 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: false [2022-11-16 10:55:34,237 INFO L895 garLoopResultBuilder]: At program point L9341(line 9341) the Hoare annotation is: false [2022-11-16 10:55:34,237 INFO L899 garLoopResultBuilder]: For program point L9341-1(line 9341) no Hoare annotation was computed. [2022-11-16 10:55:34,237 INFO L895 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: false [2022-11-16 10:55:34,237 INFO L895 garLoopResultBuilder]: At program point L9345(line 9345) the Hoare annotation is: (and (= 195 |~#s_can_fail_allocator_static~0.base|) (= |ULTIMATE.start_aws_string_new_from_string_harness_#t~ret1317#1| 1)) [2022-11-16 10:55:34,237 INFO L899 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2022-11-16 10:55:34,237 INFO L899 garLoopResultBuilder]: For program point L9345-1(line 9345) no Hoare annotation was computed. [2022-11-16 10:55:34,237 INFO L899 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2022-11-16 10:55:34,237 INFO L895 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: false [2022-11-16 10:55:34,237 INFO L899 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2022-11-16 10:55:34,238 INFO L895 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) (= 195 |~#s_can_fail_allocator_static~0.base|) (= |~#s_can_fail_allocator_static~0.offset| 0)) [2022-11-16 10:55:34,238 INFO L899 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2022-11-16 10:55:34,238 INFO L899 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2022-11-16 10:55:34,238 INFO L899 garLoopResultBuilder]: For program point L9329(lines 9329 9346) no Hoare annotation was computed. [2022-11-16 10:55:34,238 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-16 10:55:34,238 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-16 10:55:34,238 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-16 10:55:34,238 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-16 10:55:34,239 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-16 10:55:34,239 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-16 10:55:34,242 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:55:34,243 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 10:55:34,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 10:55:34 BoogieIcfgContainer [2022-11-16 10:55:34,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 10:55:34,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:55:34,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:55:34,252 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:55:34,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:54:30" (3/4) ... [2022-11-16 10:55:34,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 10:55:34,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-11-16 10:55:34,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-16 10:55:34,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_acquire [2022-11-16 10:55:34,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_array [2022-11-16 10:55:34,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-16 10:55:34,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2022-11-16 10:55:34,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-16 10:55:34,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-11-16 10:55:34,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-16 10:55:34,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-16 10:55:34,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_allocator_is_valid [2022-11-16 10:55:34,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2022-11-16 10:55:34,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-16 10:55:34,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-16 10:55:34,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2022-11-16 10:55:34,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_string [2022-11-16 10:55:34,276 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 154 nodes and edges [2022-11-16 10:55:34,278 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-11-16 10:55:34,279 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-16 10:55:34,280 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-16 10:55:34,281 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-16 10:55:34,282 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 10:55:34,283 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 10:55:34,284 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 10:55:34,738 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 10:55:34,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:55:34,739 INFO L158 Benchmark]: Toolchain (without parser) took 69257.46ms. Allocated memory was 121.6MB in the beginning and 557.8MB in the end (delta: 436.2MB). Free memory was 75.9MB in the beginning and 462.6MB in the end (delta: -386.7MB). Peak memory consumption was 366.7MB. Max. memory is 16.1GB. [2022-11-16 10:55:34,740 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:55:34,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3155.92ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 75.7MB in the beginning and 72.5MB in the end (delta: 3.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-16 10:55:34,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 219.85ms. Allocated memory is still 146.8MB. Free memory was 72.5MB in the beginning and 60.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 10:55:34,741 INFO L158 Benchmark]: Boogie Preprocessor took 69.91ms. Allocated memory is still 146.8MB. Free memory was 60.5MB in the beginning and 52.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 10:55:34,741 INFO L158 Benchmark]: RCFGBuilder took 1995.83ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 52.9MB in the beginning and 143.3MB in the end (delta: -90.4MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-11-16 10:55:34,741 INFO L158 Benchmark]: TraceAbstraction took 63319.76ms. Allocated memory was 201.3MB in the beginning and 557.8MB in the end (delta: 356.5MB). Free memory was 143.3MB in the beginning and 253.2MB in the end (delta: -109.9MB). Peak memory consumption was 245.7MB. Max. memory is 16.1GB. [2022-11-16 10:55:34,742 INFO L158 Benchmark]: Witness Printer took 486.76ms. Allocated memory is still 557.8MB. Free memory was 253.2MB in the beginning and 462.6MB in the end (delta: -209.5MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2022-11-16 10:55:34,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3155.92ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 75.7MB in the beginning and 72.5MB in the end (delta: 3.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 219.85ms. Allocated memory is still 146.8MB. Free memory was 72.5MB in the beginning and 60.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.91ms. Allocated memory is still 146.8MB. Free memory was 60.5MB in the beginning and 52.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1995.83ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 52.9MB in the beginning and 143.3MB in the end (delta: -90.4MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * TraceAbstraction took 63319.76ms. Allocated memory was 201.3MB in the beginning and 557.8MB in the end (delta: 356.5MB). Free memory was 143.3MB in the beginning and 253.2MB in the end (delta: -109.9MB). Peak memory consumption was 245.7MB. Max. memory is 16.1GB. * Witness Printer took 486.76ms. Allocated memory is still 557.8MB. Free memory was 253.2MB in the beginning and 462.6MB in the end (delta: -209.5MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 153 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.3s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1605 SdHoareTripleChecker+Valid, 12.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1493 mSDsluCounter, 8679 SdHoareTripleChecker+Invalid, 11.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 579 IncrementalHoareTripleChecker+Unchecked, 7615 mSDsCounter, 1026 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9340 IncrementalHoareTripleChecker+Invalid, 10945 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1026 mSolverCounterUnsat, 1064 mSDtfsCounter, 9340 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 893 GetRequests, 618 SyntacticMatches, 2 SemanticMatches, 273 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2750 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=7, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 291 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 293 PreInvPairs, 297 NumberOfFragments, 281 HoareAnnotationTreeSize, 293 FomulaSimplifications, 17 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 209 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 39.1s InterpolantComputationTime, 1272 NumberOfCodeBlocks, 1272 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1259 ConstructedInterpolants, 14 QuantifiedInterpolants, 7543 SizeOfPredicates, 93 NumberOfNonLiveVariables, 10723 ConjunctsInSsa, 290 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 494/569 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 10:55:34,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c7482cf-d4ab-4697-9479-5e737dc0eaf9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE